......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................l.o.s..a.c.e.i.t.e.s..a.l.m..a.c.e.n.a..d.o.s..e.n..e.n.v.a..s.e.s..ti.p.o..P.E..T..y.e.n..e.n.v..a.s.e.s..d.e..v.i.d.r.io.................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................á..m.b..a.r..a.l.c.a.n.z.ó..v.a..lo.r.e.s..d..e.8..4.,.7.9..m..e.q..O../.k..g..y.d..e..2.3.,.3.7..m..e.q..O.../k..g.,................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................f.u..e.ra..n..a.l.m..a.c.e.n..a.d.o.s..l.o.s..4..m..e..s.e.s..e.n..e.n..v.a.s.e.s..P..E.T.,..p.r.o.d.u..c.ié..n.d.o.s.e.................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................p..a.r.a..K....in..c.r.e.m..e.n.t.o.s..d.e.s.d..e.1..,6..5..h.a.s.t.a..v.a.l.o.r.e.s..d.e..3.,.1.7.;.p..a.r.a..e.l.K...................................................................................................... ......................... de estos coeficientes se registraron después de que los aceites . . ......................................................... . . ENVASADO ....................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................r.e.s..p.e.c.t.i.v.a.m..e.n.t.e..(.F.i.g.u.r.a..4.)............................................................................................................................................ ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................R..e.s.p.e..c.t.o..a..l.a..i.n.f.l.u.e.n.c.i.a..d..e.l..ti.p.o...d.e..e.n..v.a.s.e..s.e...o.b.s.e.r.v.a...q.u.e...lo.s.................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ........................................................... 2 ....................... 2 ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................p..a.r.a..e.s.t.e..p..a.r.á.m..e.t.r.o.,..e.x.is..ti.e.n.d..o..d.i.f.e.r.e.n.c.i.a.s..s.i.g.n..if.i.c.a.t.i.v.a.s..c.o.n...e.l................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................v..a.lo..r.e.n.c..o.n.t.r.a.d.o..p.a.r.a..l.o.s..a.c.e.i.t.e.s..e.n.v.a.s..a.d.o.s..e.n..P.E..T..E.s.t.e..r.e.s.u.l.t.a.d.o.................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................s..e..a.t.ri.b.u..y.e..a..l.a..p.e.r.m..e.a.b..il.id..a.d..q.u..e..p.r.e.s.e.n..ta...e.l.P..E.T..f.r.e.n.t.e..a.l..o.x.í.-................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................g..e.n.o.,..a.u.m..e.n..ta..n.d.o..l.a..o.x.i.d.a.c.i.ó.n..d.e..l.o.s..a.c..e.it.e.s..e.n..v.a.s.a..d.o.s..e.n..d.i.c.h.o.................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................m..a..te..ri.a.l............................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ............................................................................................F.ig.u.r.a..5. .V.a.l.o.re.s..d.e.K....y..K...a..l.os..4..m.e.s.e.s..d.e..a.lm..a.c.e.n.a.m..ie.n.t.o.d..e.l .a.c.e.it.e..A.rb..e.q.u.in.a..e.n.v.a.-.............. aceites envasados en vidrio ámbar presentaron un menor valor ............................................................................................................... .... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ............................................................................................s.a.d.o.e.n..v.id.r.i.o.á.m..b.a.r.y..e.n.p.l.á.s.t.ic.o..P.E.T............................................................. ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..........................................................................................E..s.t.a.b.i.l.i.d.a.d..o.x..id..a.t.i.v.a......................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..........................................................................................L.a...g.a.r.a.n.t.í.a..d.e..l.a..e..s.ta..b.i.li.d.a.d...y.c..a.li.d.a..d..d.e..p.r.o.d..u.c.t.o.s..a.l.i.m..e.n.t.ic.i.o.s............................ ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..........................................................................................s.o.n..m..a..te..ri.a..d.e..g.r.a.n..i.m..p.o.r.t.a.n.c..ia..p.a..ra..p..r.o.d.u.c.t.o.r.e.s..y..d.i.s.t.ri.b.u..id.o..re..s............................ ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..........................................................................................E.n..e.l..c.a.s.o..d.e..l.o.s.a..c.e.i.te..s.y..g.r.a.s.a..s.,.l.a..o.x.id..a.c.i.ó.n..e.s.l.a..p.r.i.n.c.i.p.a.l.c..a.u.s.a............................ ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..........................................................................................d.e..l.a..d.i.s.m..in..u.c.i.ó.n..d.e..c.a.l.i.d.a.d..y..s.u.s..c.o.n..s.ig..u.ie..n.t.e.s..r.e.a.c.c.i.o.n.e.s..d..e.t.e.r-............................ ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..........................................................................................e.s..ta..b.il.i.d.a.d..o.x.i.d.a.t.i.v.a..d.e.l.a..c.e.i.te..d.e..o.l.iv..a.c.o..n.r.e.s..p.e.c.t.o..a.o..tr.o.s..a.c..e.it.e.s............................ ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..........................................................................................v.e.g..e.t.a.l.e.s.,..e.s..p.r.i.n.c.i.p.a.l.m..e.n.t.e..d..e.b.i.d.o..a...la...c.o.m..p.o.s.i.c.i.ó.n..d..e..á.c.i.d.o.s............................ ......................................................................................................................................................................................... ......................................................................................................................................................................................... ....................F.ig.u..ra..4...Ín..d.ic.e..d.e..p.e.r.ó.x.i.d.o.s..(.m.e.q..O../.k.g..d.e..a.c.e.i.te..) .a..l.o.s.4..m..e.s.e.s..d.e..................................................................................................... ....................................................... 23 2 27 . . 0 .................................................................... minan el tiempo de caducidad de este tipo de productos. La elevada ...................................g.r.a..s.o.s.,.y..a..l.a..p.r.e.s.e.n.c..ia..d.e..c.o..m.p..u.e.s.t.o.s..m..i.n.o.r.it.a..ri.o.s..q.u..e.j.u.e.g..a.n..u.n............................ ......................................................................................................................................................................................... ....................a.lm..a.c.e.n.a.m..i.e.n.t.o..d.e.l .a.c.e..it.e..A.r.b.e.q.u.i.n.a..e.n.v.a.s.a.d.o..e.n..v.i.d.r.io..á..m.b.a.r..y..e.n..................................................................................................... ......................................................................................................................................................................................... ..........................................................................................p.a..p.e.l.e..n..la..p.r.e.v.e..n.c.i.ó.n..d.e..la..o.x.i.d.a..c.ió.n..(.A..g.u.i.le.r.a..e.t..a.l.,..2.0.0..5.).................................. ......................................................................................................................................................................................... 2 ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... plástico PET. ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................K....,..K...,..Δ.K............................................................d.a..d..d.e..o.x.íg..e.n.o..d.i.s.u.e.l.t.o..e.n..e.l.a.c..e.it.e..e.l.c..u.a.l.n..o.p..u.e.d.e..s.e.r..e.l.im..i.n.a.d..o.,........................... .................... .... Algunos factores que influyen en la oxidación lipídica son: la canti- . . . .............................................................................................................................................................. ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................D..u.r.a.n.t.e..e.l..t.ie.m..p.o..d..e.a..lm..a..c.e.n.a.m..i.e.n.t.o..e.s.t.u.d..ia..d.o..lo..s.v..a.lo..re..s.d..e..lo.s.....l.a..p..e.r.m.e..a.b.i.li.d.a..d..d.e.l..o.x.í.g.e.n..o..d.e...lo.s...m.a..t.e.r.ia.l.e.s...d.e..e.n..v.a.s.a.d..o.,.l.a............................ ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................c..o.e.f.ic.i.e.n..te..s..d.e..e.x..ti.n.c.i.ó.n...K....y..K.....y..d.e..l.v.a..lo.r..Δ..K..,.q..u.e..i.n.d.i.c.a.n.....t.e.m..p.e.r.a..tu..r.a.................................................................................... 2 32 2 7 0 ............................................... ...... 2 32 2 70 . . .................................................................................................................................. ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................e..l.e.s.t.a..d.o..d.e..c..o.n.s.e.r.v.a..c.ió.n...d.e.l..a.c.e.i.t.e.,..a.u.m..e.n.t.a..ro..n..p.a.r.a..l.o.s..a..c.e.i.-................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................t.e.s...e.n..l.o.s..2...ti.p.o.s...d.e..e.n..v.a.s.e.s...e.s.t.u.d.i.a.d.o..s...L.o.s..v.a.l.o.r.e.s...m.á..x.im..o.s.................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................l.o.s..v.a..lo.r.e.s...a.u.m..e.n.t.a.r.o.n...d.e.s.d..e..0.,.1.5.,..e.n..a.c.e..it.e.s..r.e.c.i.é.n..e..la.b..o.r.a.d.o.s.................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................h..a.s.t.a..v.a.l.o.r.e.s..d.e..0.,.3.5..(.F.ig..u.r.a..5.).y..p.a.r.a..Δ..K..e.l.i.n.c.r.e.m..e.n..to..s.e..p.r.o.d..u.jo.................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................d..e.s.d.e..<..0...0.1..h.a.s..ta..0.,.0.2..,.s.o.b..re..p.a.s.a.n..d.o..lo..s.l.í.m.i.t.e.s..e.s.t.a.b..le.c.i.d.o..s.p..o.r................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... 2 3 2 2 7 0 ......................................................................................................................................................................................... el Reglamento CEE 2568/91 para el AOVE (K =2,50, K = 0,22 ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................y..Δ..K.=..0..0.1..)........................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................C..a.b.e..d..e.s.t.a.c.a..r.q.u..e..lo..s..lí.m..it.e.s..m..á..x.im..o.s..e.s..ta..b.l.e.c.i.d.o.s..p.a.r.a..K.....(.=.................................................................................................... ................................................................................. vidrio ámbar, el K fue el único que sobrepasó los límites estable- 232 270 2 70 . ....................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................0..,2..2.)..f.u.e.r.o.n..s.u..p.e.r.a.d..o.s..y.a..a..l.o.s..2...m.e..s.e.s..d.e..a..lm..a.c..e.n.a.m..i.e.n.t.o..e.n.................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................e..n.v.a.s.e.s...P.E.T..(.d..a.t.o.s..n.o..p..u.b.l.i.c.a.d.o.s..)..E.n...c.u.a.n..to...a..l.o.s..e.n.v.a..s.e.s..d.e.................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................c.i.d.o..s..tr.a.s..4..m..e..s.e.s..d.e..a.l.m..a.c.e.n..a.m..ie..n.t.o.,.a..lc.a..n.z.á.n.d..o.s.e..u.n..v.a..lo..r.d.e.................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................0..,2..6..E..n..re..la.c..ió.n..a..l.o.s..v.a.l.o.r.e.s..d.e..K....y..Δ..K..p.a.r.a..e.l..v.i.d.r.io..á.m..b..a.r.s.e.................................................................................................... ...................................................... 270 . . ................................................................................................................................. ......................................................................................................................................................................................... ......................................................................................................................................................................................... ..................o..b.t.u.v.i.e.r.o.n..v.a.l.o.r.e.s..d.e..2.,.3.5..y..0.,.0.1.,.r.e.s..p.e.c.t.i.v.a.m..e.n.t.e..t.r.a.s..e.l.a.l.m..a.c.e..-................................................................................................... ......................................................................................................................................................................................... ............................................................................................F.ig.u.r.a..6. .E.s.t.a.b.il.id.a.d..o.x.id..a.ti.v.a.(.h.).a..l.o.s.0..y.4..m.e.s.e.s..d.e.a.l.m..a.c.e.n.a.m.i.e.n.t.o.d.e.l.a.c.e.i.t.e.A.r.b.e.q.u.i.n.a.............. ......................................................................................................................................................................................... ..................n..a.m..ie..n.t.o...S.e..e.n.c..o.n.t.r.a.r.o.n..d..if.e.r.e.n.c..ia..s..s.ig..n.i.fi.c.a..ti.v.a.s...e.n.t.r.e..a.m..b.o.s.................................................................................................... ......................................................................................................................................................................................... ............................................................................................e.n.v.a.s.a.d.o.e.n..v.id..ri.o.á.m..b.a.r.y..e.n.p.l.á.s.t.ic.o..P.E.T.......................................................... ......................................................................................................................................................................................... ..................t.i.p.o.s..d.e..e.n..v.a.s.e.s..p.a..ra..l.o.s..v.a.l.o.r.e.s..d.e..K.....y.K........................................................................................................................... .......................................................... 2 3 2 . ..... . ........................................................................................................................ ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... ......................................................................................................................................................................................... 23 2 27 0 >>23