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茶叶是人们喜欢的家常饮料,分红茶、绿茶和花茶等几大类。茶叶中主要含有2%～4%的茶碱和5%～10%的鞣酸。茶碱对人有兴奋和利尿的作用,所以喝茶能减轻疲倦,促进血液循环和水分排泄。鞣酸有收敛、止血、沉淀生物碱的作用,可用来辅助治疗腹泻、轻度吐血和生物碱中毒。茶叶还有促进脂肪消化的功能,食用油腻的食物后适当地饮茶,可帮助消化。茶叶还含有抗坏血酸、硫胺素、核黄素和胡萝卜素等维生物,除
Tea is home favorite drink, dividend tea, green tea and Hua Cha several categories. Tea mainly contains 2% ~ 4% of theophylline and 5% ~ 10% tannic acid. Theophylline is exciting and diuretic for people, so drinking tea can reduce tiredness, promote blood circulation and water excretion. Tannin convergence, bleeding, the role of precipitation of alkaloids can be used to assist in the treatment of diarrhea, mild vomiting blood and alkaloid poisoning. Tea also has the function of promoting fat digestion. After eating greasy food, drinking tea properly can help digestion. Tea also contains ascorbic acid, thiamine, riboflavin and carotenoids and other vitamins, except