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Darkteahelpscontrolbloodsugarlevels,TianjinKeyLabstudies
Darkteamayhelpcontrolbloodsugarlevels,accordingtoaresearchfromTianjinKeyLaboratory
Whetheritishotorcold,thereisnodoubtaboutitteaisoneofthebestthingsyoucandr
Forstarters,whatmakesgreenteasopowerful?Theanswer:catechins!Greenteaisloadedwithcatechins,atypeofpolyphenolandapowerfulantioxidant.Antioxidantsdestroyfreeradicals,whichdamagethebodyatthecellularlevelleavingusmoresusceptibletocancers,heartdiseases,otherdegenerativediseases,andmayevenmakeuslookolder.Catechinsalsopreventviralinfections,suchasthecommonflu,andfightoffbacteriainthestomachthatcausefoodpoisoning(oneofthereasonssushibarsoftenservegreenteaafterthemeal).
Withingreenteathereareseveraldifferenttypesofcatechins:epicatechin(EC),epigallocatechin(EGC),epicatechingallate(ECG)andepigallocatechingallate(EGCG),whichmakesupabout10-50%ofthetotalcatechincontentintheteaandappearstobethemostpowerfulofthecatechinsasitsantioxidantactivityis25to100timesstrongerthanvitaminsCorE.Infactonecupofgreenteahasmoreantioxidantsthanmanyofthefruitandvegetableheavyweightchampions,includingbroccoli,spinachandstrawberries.
Sowhataboutblacktea?Unfortunatelythefermentationprocessconvertsthecatechinsintoothercompounds-theaflavinsandthearubigins.Whilethesecompoundsarenotcatechins,theyarestillantioxidantsandnewresearchhasshownthattheydomorethanjustcontributetothetea'sdarkcoloranddistinctiveflavor.Bothcompoundsarebelievedtohaveanti-inflammatoryandanti-allergyproperties,whichisbeneficialforsomeonewhosuffersfromenvironmentalallergiesorfromarthritis.However,that'snotallblackteadoes.ResearchfromtheTianjinKeyLaboratoryinChina,publishedinTheJournalofFoodScience,hasshownthatthisdarkteamayhelpcontrolbloodsugarlevels.Thenaturallyoccurringpolysaccharidesinthetea,whichareatamuchhigherlevelthaningreentea,havebeenshowntoslowandeventoreducetheabsorptionofglucosefromrecentlyeatenfood,whichcangreatlybenefitdiabeticsandpeoplewhoarepronetothedisease.#p#
Besideantioxidantlevels,thereareotherfactorstoconsiderwhenchoosingtea,suchascaffeine.Whilebothblackandgreenteashavelowercaffeinelevelsthancoffeeorsoda,greenteahasabouthalftheamountofcaffeineasblacktea.Infact,thelevelsofcaffeineingreenteaaresolow,thatitdoesnotaffectmostpeople'ssleep.Sounlessyouareafterthatwakemeupeffect,greenisprobablythewaytogo.
Whilegreenteastillcomesoutahead,blacktea'shealthbenefitsarecertainlyimpressiveandshouldnotbeeasilydismissed.（SOURCE:）
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