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ID:52471187
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时间:2020-03-27
《GENERAL GUIDELINES FOR THE UTILIZATION OF VEGETABLEPROTEIN PRODUCTS (VPP) IN FOODS蔬菜利用通则 食品中地蛋白质产物(VPP).pdf》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、1CAC/GL4-1989GENERALGUIDELINESFORTHEUTILIZATIONOFVEGETABLEPROTEINPRODUCTS(VPP)INFOODSCAC/GL4-19891.PURPOSEToprovideguidanceforthesafeandsuitableuseofvegetableproteinproducts(VPP)infoodsbyestablishing:(i)principlestoensurethatthenutritionalqualityofthefoodc
2、ontainingVPPisappropriatetotheirintendeduse;and(ii)principlesfortheappropriatelabellingoffoodscontainingVPP.2.SCOPEThesegeneralguidelinesareintendedtoapplytoallsituationsinwhichproteinsderivedfromvegetablesourcesotherthanSingleCellProteinareutilizedinfoods
3、.3.DEFINITIONSAvailableAminoAcids:Aminoacidsfromfoodproteinsthatareabsorbedandareavailableformetabolism.AminoAcidScore(formerlychemicalscore):(mgofthelimitingaminoacidin1.0goftestprotein)/(mgofthesameaminoacidin1.0gofproteinasdefinedbythereferenceaminoacid
4、pattern).Bioavailability:Theextenttowhichanaminoacidorotheressentialnutrientisabsorbedandavailableformetabolism.Complementation(ofproteins):Theincreaseinproteinnutritionalvalueachievedbymixingtwoproteins,whichhavedifferentlimitingaminoacids,inthoseproporti
5、onswhichresultintheproteinqualityofthemixturebeinghigherthanthatofeitherofthecomponentproteinoccurswhenthefirstproteinhasanexcessoftheaminoacidwhichislimitinginthesecondproteinandviceversa.Limitingaminoacid:Theessentialaminoacidofafoodproteinpresentinthelo
6、westproportionrelativetotheamountofthataminoacidintheReferenceAminoAcidPattern.NetProteinRatio(NPR):(weightgainoftestgroupofratsplusweightlossofnon-proteingroup)/(proteinconsumedbytestgroup).NutritionalAdequacy:SeeSection7.2.ProteinQuality:Theextenttowhich
7、aproteinsourceprovidesessentialaminoacidsandindispensablenitrogenformeetinghumanrequirements.Proteinqualityisprimarilydeterminedbythelevel,distributionandbioavailabilityoftheessentialaminoacidsinaproteinsource.ReferenceAminoAcidPattern:Thelevelsanddistribu
8、tionsofessentialaminoacidsofanidealproteinspecifiedbyFAO/WHO/UNU(1985)formeetingtherequirementsofthe2–5yearoldchildwhenconsumedatthelevelofsafeproteinintake.RelativeNPR(RNPR):NPRexpressedrelativetoastandardpr
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