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382/RapeseedOil,FullyHydrogenated/ Monographs FCCV

时间:2014-1-15 17:01:13 作者:1442018592 来源:38 阅读:3579次
382/RapeseedOil,FullyHydrogenated/ Monographs FCCV
382/RapeseedOil,FullyHydrogenated/ Monographs FCCV
ResidueonIgnition Determineasdirectedunder Residue
onIgnition,AppendixIIC,ignitinga2-gsample.
PackagingandStorage Storeinwell-closed,light-resistant
containers.
RapeseedOil,FullyHydrogenated
FullyHydrogenatedRapeseedOil
INS:441 CAS:[84681-71-0]
DESCRIPTION
RapeseedOil,FullyHydrogenated,occursasawhite,waxy
solid.Itisamixtureoftriglycerides.Thesaturatedfattyacids
arefoundinthesameproportionsthatresultfromthefull
hydrogenationoffattyacidsoccurringinnaturalhigh-erucic
acidrapeseedoil.Therapeseedoilisobtainedfrom Brassica
juncea, Brassicanapus,and Brassicarapa (Fam.Cruciferae).
Itismadebyhydrogenatinghigh-erucicacidrapeseedoilin
thepresenceofanickelcatalystattemperaturesnotex-
ceeding245°.
Function Cookingorsaladoil;componentofmargarine
orshortening;coatingagent;emulsifyingagent;stabilizer;
thickener;texturizer.
REQUIREMENTS
Labeling RapeseedOilproductsthathavebeenfullyhydro-
genatedshouldbelabeledasFullyHydrogenatedRapeseed
Oil.Labeltoindicatethe 1-MonoglycerideContent aswell.
Identification FullyHydrogenatedRapeseedOilexhibits
thefollowingcompositionprofileoffattyacidsdetermined
asdirectedunder FattyAcidComposition,AppendixVII.
FattyAcid:14:016:018:018:118:2
Weight%(Range):<1.03–538–421.0<1.0
FattyAcid:20:020:122:022:124:0
Weight%(Range):8–10<1.042–50<1.01.0–2.0
AcidValue Notmorethan6.
Color (AOCS-Wesson)Notmorethan1.5red/15yellow.
ErucicAcid Notmorethan1.0%.
FreeFattyAcids (asoleicacid)Notmorethan2.0%.
IodineValue Notmorethan4.
Lead Notmorethan0.1mg/kg.
1-MonoglycerideContent Conformstotherepresentation
ofthevendor.
PeroxideValue Notmorethan2.0meq/kg.
TESTS
AcidValue Determineasdirectedin MethodII under Acid
Value,AppendixVII.
Color (AOCS-Wesson)Determineasdirectedunder Color
(AOCS-Wesson),AppendixVII,usinga13.34-cmcell.
ErucicAcid Determineaspartof FattyAcidComposition,
AppendixVII.
FreeFattyAcids (asoleicacid)Determineasdirectedunder
FreeFattyAcids,AppendixVII,usingthefollowingequiva-
lencefactor(e)intheformulagivenintheprocedure:
Freefattyacidsasoleicacid, e =28.2.
IodineValue Determineasdirectedunder IodineValue,
AppendixVII.
Lead Determineasdirectedfor MethodII inthe Atomic
AbsorptionSpectrophotometricGraphiteFurnaceMethod un-
der LeadLimitTest,AppendixIIIB.
1-MonoglycerideContent Determineasdirectedunder 1-
Monoglycerides,AppendixVII.
PeroxideValue Determineasdirectedin MethodII under
PeroxideValue,AppendixVII.
ResidueonIgnition Determineasdirectedin MethodI
under ResidueonIgnition,AppendixIIC,ignitinga5-g
sample.
UnsaponifiableMatter Determineasdirectedunder Unsa-
ponifiableMatter,AppendixVII.
Water Determineasdirectedunder WaterDetermination,
AppendixIIB.However,inplaceof35to40mLofmethanol,
use50mLofa1:1solutionofchloroform:methanoltodissolve
thesample.
PackagingandStorage Storeintightlyclosedcontainers.
RapeseedOil,Superglycerinated
SuperglycerinatedFullyHydrogenatedRapeseedOil
DESCRIPTION
RapeseedOil,Superglycerinated,occursasawhitesolid.It
isamixtureofmono-,di-,andtriglycerides,withtriglycerides
asaminorcomponent.Thesaturatedfattyacidsarefoundin
thesameproportionsthatresultfromthefullhydrogenation
offattyacidsoccurringinnaturalhigh-erucicacidrapeseed
oil.Therapeseedoilistypicallyobtainedby n-hexaneextrac-
tionfrom Brassicajuncea, Brassicanapus,and Brassicarapa
(Fam.Cruciferae).Itismadebyaddingexcessglycerinto
fullyhydrogenatedrapeseedoilandheatingtoabout165°in
thepresenceofasodiumhydroxidecatalystunderpartial
vacuumandsteamspargingagitation.3579
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