維生素英語課件

VitaminsAndOurHealthCarbohydrate,fat,protein,water,vitaminsandtraceelements,aresixnutrientsnecessaryforthebody.WorldexplorerFerdinandMagellan'svoyagesailingrecordshavebeenrelatingtoscurvy.Inthelongseajourney,thecrewoftenlessthanafewmonths,orsimplydonoteatfreshvegetablesandanimalfoods,Somostofthecrewsufferingfromscurvyandincapacity.Somecrewmembershavebeendyingdueandbeenputashoretodie,buttheyaremiraculouslyhealed,that’sbecausetheyhadeatensomeofthelocalwildplantsandothergreenery.1747,ScottishdocorJamesLindfoundfreshorangesandlemonsareresponsibleforthisphenomena.Afterthat,DoctorS.kingandAlbersaintfinallyseparatedascorbicacidfromthecabbage,citrusfruitsandadrenalglands,whichisvitaminC.FunctionofVitaminC（1）Oxidation-reductionreactioninthebody,andmaintenanceofcell

Interstitialnormalstructure；（2）

promotingwoundhealing,tomaintaintheNormalfunctionofteeth,bones,bloodvesselsandmuscles可用于治療壞血病及皮膚病、口瘡、感冒等。（3）

Helpabsorbsomeofthesaltsandaminoacids；（4）

Enhancedresistancetoinfectiousdiseases,detoxification；（5）

Antioxidantsforfood,foodadditives。Noting:Adultsneedapproximately75minigramdailysupplementofvitaminC.ToreducethelossofvitaminCinvegetables,therearesomecommonsenses:1、

Washvegetablesbeforecutting;2、

Whenwefryvegetables,timenottoolong,friedcanbe;3、Donotputinfoodbasewhenyoufryvegetables；Vitamin-containingfood

VitaminpreparationsCodliveroil,Vitamintablets,Colorpepper,Kiwi,Lemon

VitaminAFunction:preventnightblindness,dryeye.Deficiency:nightblindnessVitaminEFunction:Ithassignificantanti-oxidation,anti-agingeffect,canmaintainyouthfulaging.Mayalsoenhancebloodcirculation,preventfrostbiteandsoon.Deficiency:asmallernumberofredbloodcells,shortened