Literature Research On Tea, Tea And Tea

Tea is the leaves of the genus Camellia,which are able to edible,drinkable,and also be used as medicine.In recent years,with the increasing concern about the health,the pharmacological action of tea and its health care function are also concerned.From the perspective of Traditional Chinese Mzedicine(TCM),the drug properties,therapy effects and taboo of tea are concerned by the people.However,there are few related studies,and lots of shortcomings in the work of health promotion and network media.By the method of literature,the ancient chinese materia medica and medical formulary will be searched,reference agriculture and teascience knowledge will be important reference value.Method:Taking" "?""[??]""?""?"as keywords.Firstly,taking the Zhong guo ben cao quan shu as a reference book,and searched the elements of drug properties of tea pharmacological of tea,application of tea,and indication and contraindication of tea.Seccendly,searched the herbal prescription which contained tea from the medical formularies we choosed.However,the tea which is not the leaves of the genus Ca-mellia are exclude,such as green onion tea,Schizonepeta tea and mint tea,etc.Major reference books:(1)Materia medica:read Zhong Guo Ben Cao Quan Shu for reference materia medica,related herbal parts in the medical books,medical formularies and agricultur-al books,ect.were also searched.(2)Medical formularies:the main references books are Bei Ji Qian Jin Yao Fang,Qian Jin Yi Fang,Wai Tai Mi Yao,Tai Ping Sheng Hui Fang,Tai Ping Hui Min He Ji Ju Fang,Sheng Ji Zong Lu,Pu Ji Fang and Yi Zong Jin Jian.(3)Tea literatures:the main references books are Zhong Guo Cha Shu Quan Ji Jiao Zheng and Zhong Guo Gu Dai Cha Shu Ji Cheng.Result:(1)There are 159 informations that are related to the drug properties of tea,in-cluding 144(90.57%)cold tea informations,and 15(9.43%)warm tea informations.There are 141 informations that are related to the taste of tea,including 96(68.09%)"bitter sweet" "sweet bitter" or "slightly bitter and slightly sweet"informations,29(20.58%)"bitter " informations and 10(7.09%)"sweet" informations.In the Yuan Dynasty,Zhang Yuansu has firstly put the formula use of Zang Fu organs for the tea,and Wang Haogu has firstly put the meridian distribution of tea clearly.There are 64 informations in the Ming and Qing Dynasty that are related to the meridian distribu-tion of tea,in which has 29(45.31%)informations blong to the Pericardium and Liver meridian,11(17.19%)informations blong to the Heart and Lung meridians,5(7.81%)informations blong to the Kidney and Stomach meridians.(2)The earliest extant record of the efficacy of herbal tea is Ben Cao Jing Ji Zhu,and the earliest book that record the tea effiction separately is Bei Ji Qian Jin Yao Fang.According to the statistics,assuage thirst(100),help digestion(95),expecto-rant(93),antipyretic(93),clear-headed(82),diuresis(80),awake sleep(78),lower Qi(74)and treatment of fistula(60),ect.are the major effection of tea.(3)From the view of 64 ancient chinese materia medicas which are related to the indication and contraindication of tea,it is better to drink a small number of tea,hot tea and a good quality tea,as well as to drink tea after a meal.However,drinking too much of tea,or taking cold tea,inferior tea are adviced to avoid.It is also adviced to not drink tea with an empty stomach or after taking any wine.What's more,Salt,Torreya,Clematis,Smilax,Quispualis indica and Leek can not eat together with tea.(4)There are 1018 prescriptions containing tea in the 8 medical formularies.In-cluding 129 prescriptions that is made of tea and 888 prescriptions that is taken by tea.These 1018 prescriptions are applied to treat 119 disease,and usually be applied to treat headache(139,13.65%),eye disease(130,12.77%),pyocutaneous(61,5.99%)and dysentery(48,4.72%),etc.Conclusion:(1)Green tea is the main source of tea in the ancient TCM works,and it is not until Qing Dynasty that teas except green tea are recorded.Such as pu-er tea and an-hua tea are dark tea,luan tea is yellow tea,Wuyi tea may belong to oolong tea or black tea.(2)It is the common understanding of ancient physicians that the drug impartial of tea is cold.There is no record of "green tea is cold,black tea is hot" in TCM litera-ture.There are only 5 kands of tea were recored as hot,which are named Mengding tea,Wuyi tea,Pu-er Tea,Anhua tea and Luzhou tea.However,many of its arguments are related to the origin of tea or religious legends,and have nothing to do with the Tea Processing or the effect of tea.(3)Tea can be eaten,drunk and medicinal,but it mostly consumption of tea is for drinking.Tea drinking has emerged as a hobby,mainly due to its ability to refresh oneself.Beside,Drinking tea can quench their thirst,help to digestion,dispel phlegm,lower the body temperature,refresh one's mind and diuretic.However,there is little medicinal value of tea,and the quantity of tea leaves is small in the herbal prescrip-tion.Most of the herbal prescriptions which includes tea are prescriptions taking medicine with tea water.These 1018 prescriptions are usually applied to treat head-ache,eye disease,pyocutaneousand dysentery,etc.(4)In TCM,there is no absolute contraindication that can not take medicine and tea at the same time.However,drinking too much of tea will bring side effects,Which will be damage for the spleen and stomach,and lead to anemia and emaciation.Tea is mainly used to enhance the excitement of the central nervous system.The standard of drinking tea reasonable is 3?5g tea/day(about 60?200mg caffeine).It is better take an interval(at least 30 minutes)between tea and medication.