資源描述：
《advantages of tea》由會員上傳分享，免費在線閱讀，更多相關內(nèi)容在行業(yè)資料-天天文庫。
1、AdvantagesofTea-DrinkingTeahasbeenoneofthedailynecessitiesinChinasincetimeimmemorial.Countlessnumbersofpeopleliketohavetheiraftermealtea.Insummerorwarmclimate,teaseemstodispeltheheatandbringoninstantcooltogetherwithafeelingofrelaxation.Forthisreason,tea-housesaboundintownsandmarke
2、tvillagesinSouthChinaandprovideelderlyretireeswiththelocalestomeetandchatoveracupoftea.Medically,thetealeafcontainsanumberofchemicals,ofwhich20-30%istannicacid,(丹寧酸)knownforitsanti-inflammatory（炎的）andgermi’cidal(殺菌的)properties.Italsocontainsanalkaloid生物堿(5%,mainlycaffeine),astimul
3、antforthenervecentreandtheprocessofme’tabolism.新陳代謝Teawiththearomaticsinitmayhelpresolvemeatandfatandthuspromotedigestion.Itis,therefore,ofspecialimportancetopeoplewholivemainlyonmeat,likemanyoftheethnicminoritiesinChina.Apopularproverbamongthemsays,"Rathergowithoutsaltforthreeday
4、sthanwithoutteaforasingleday."Teaisalsorichinvariousvitaminsand,forsmokers,ithelpstodischargenicotineoutofthesystem.Afterwining,strongteamayprovetobeasoberingpick-me-up.Theabove,however,doesnotgotosaythatthestrongerthetea,themoreadvantagesitwillyield.Toomuchtannicacidwillaffectthe
5、se‘cretionofthegastricjuice（胃液）,irritatethemembraneofthestomachandcauseindigestionorconstipation.Strongteatakenjustbeforebedtimewillgiverisetooccasionalinsomnia.Constantdrinkingofover-strongteamayinduceheartandblood-pressuredisordersinsomepeople,reducethemilkofabreast-feedingmothe
6、r,andputabrowncolorontheteethofyoungpeople.Butitisnotdifficulttowardofftheseundesirableeffects:justdon'tmakeyourteatoostrong.TeadrinkingcustomsApotofChineseteaThereareseveralspecialcircumstancesinwhichteaispreparedandconsumed.·Asasignofrespect:InChinesesociety,theyoungergeneration
7、alwaysshowsitsrespecttotheoldergenerationbyofferingacupoftea.Invitingandpayingfortheirelderstogotorestaurantsforteaisatraditionalactivityonholidays.Inthepast,peopleoflowerrankservedteatohigherrankingpeople.Today,asChinesesocietybecomesmoreliberal,sometimesathomeparentsmaypouracupo
8、fteafortheirchildren,orabossmayev
