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1、食品分析方法（Foodanalysismethods）Thecontentoffoodinspectionandanalysisisveryrich,andtherangeisveryextensive,inmanykindsoffood,therearemanycomponentsarethesame,therearesomegroupprovisionsarenotthesame.Inparticular,differentkindsoffoodhavedifferentcharacteristics.Let'sstartwithfoodanalysisI.rangeof
2、foodanalysisAnalgticalrange1.analysisofnutritionalcomponentsoffood(analysisofgeneralcomponents)Nutrientsincluding:1thewateractivitywaterwaterwaterandashashthemoderatefatfattheacidityacidity,carbohydrate,Protein,protein,carbohydrate,aminoacidAminochloridechloridethatvitaminVitamin,traceeleme
3、ntstraceelementAccordingtotheanalysisabove,weknowthatthesenutrients,fromwatertowatertestactivity,fromproteintoAminoacidstestandmultivitamintestareillustratedbyanalysisoffoodinspectionobjectmaterial,fromthemacromicrodirectiongradually.Theinspectionoftraceelementsincludestheexaminationofessen
4、tialelementsofhumanbodyandtheexaminationofharmfulelementstohumanbody.2.analysisofcontaminantsinfoodFoodcontaminantsareclassifiedintotwocategoriesaccordingtotheirnatureBiologicalpollutionreferstothegrowthandreproductionofmicroorganisms,resultingintoxinsaffectinghealthSuchas:Aspergillus,inpea
5、nutrotproduced;corn,milkanddairyproductsandmeatproductsproduceddichlorvos.ChemicalpollutionApesticides(organicchlorine,organicphosphorus,etc.)Bheavymetalpoisoning(Hg,Pb,As,Cd)Cpackagingmaterials(polycycliccompounds)Dproducedduringmachining.Smokeandsmokefoodmayproducecarcinogens3-4benzopyren
6、eAccordingtothemetalsourcecanbedividedinto:(1)naturalenvironment,airandwater(2)production,processing,machinery,ordinarycontainers(3)pollutionofthreewastestreatedbyagricultureChemicalpollutionismostlypesticidemetal.Generally,theorganochlorinepesticidesinfruitsandvegetablescanbedividedintotwo
7、categories:chlorinatedbenzenesandtheirderivatives.Suchas:DDT,666,etc..TheotherispotassiumchloridesupportingagentssuchasnaphthaleneDi'sagent,thiskindofparenchymalorganssuchasliverandkidneydamagecausedbypesticidepoisoning,finallylivermalnutrition,resulting
