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1、化学必修二平衡膳食文字资料（Chemistryrequiredtwobalanceddiettextdata）Themainnutrition1,Bohaiuniqueyellowcroaker,perch,floundercanbringpeoplein(B)A,vitaminB,proteinC,starchD,glucose2.Thebalanceofnutrientsinbalanceddietincludes(D)Thebalanceofprotein,oilandsugarBalanceofessentialaminoacidsandno
2、nessentialaminoacidsThebalancebetweenunsaturatedhigherfattyacidsandsaturatedhigherfattyacidsThebalancebetweeninorganicsaltelementsThebalancebetweenvitaminsandothernutrientsAisonlyBandC,D.3.cucumberisrichinvitaminCandvitaminB,knownvitaminCinacidicenvironmentisrelativelystable,wh
3、ilehightemperature,vitaminwillbedestroyed,soyouthinkhowtoreasonablyeatcucumber(A)A,B,Candvinegarsoup,stirD,fumigationFirst,explorethedietstructure(pagodapictures)Pagodaanalysis:relevanceknowledgereviewOil:mainlyreferstoanimalandvegetableoils.(chemicalformula)1,heatsupplyandrese
4、rveheatenergy2,constitutecell3,regulatephysiologicalfunction(protectorgans,keepwarm,coldproof,promoteabsorption,etc.)Milk,beans,fish,shrimp,eggsandsoon:provideprotein.(chemicalformula)thebasicsubstancethatconstitutesthehumanbodyFruitsandvegetablesprovidevitaminsandcellulose.(ch
5、emicalformula)hasanimportantrelationshipwithhumanhealth(cellulosedoesnotdigest)Cereal:supplyingstarch(chemicalformula),starchhydrolysistoglucose,absorbedbyhumanbody.1gglucoseproducesabout16.7KJofheatinthebody.Generallyspeaking,60%to70%oftheheatrequiredbythebodycomesfromtheoxida
6、tionofglucose.Two.Understandingthebalanceddietpagoda1,foodvarietiesshouldbediversifiedReason:differentkindsoffoodprovidedifferentnutrients.Eachnutrientisalsodifferentindifferentfoods.Withoutanykindoffoodcanmeettheneedsofthehumanbodyforvariousnutrients,acertainkindoffoodcannotco
7、mpletelyreplaceanotherkindoffood.Scientificbasis:scienceconfirmsthatpeopleneedtoeatatleast20kindsoffoodadaytomeetthebasicnutritionalneeds.Generallyspeaking,red,green,yellowdeepvegetablesanddeepyellowfruitscontainrichnutrients,somoredarkvegetablesandfruitsshouldbeused.Textbookex
8、perimentanalysis:[principlesofexperiment]Inthisexperim
