喝茶可以降火,春天宜喝花茶,夏天宜喝绿茶,秋天宜喝乌龙茶,冬天宜喝红茶。
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茶是防暑降温的好饮料。李时珍《本草纲目》载:“茶苦味寒,最能降火,火为百病,火降则上清矣。温饮则火因寒气而下降,热饮则借火气而升散。”
茶汤中含有茶多酚类、糖类、氨基酸、果胶、维生素等与口腔中的唾液起了化学反应,滋润口腔,所以能起到生津止渴的作用。
由于茶叶中的咖啡碱作用,促使大量的能量从人体的皮肤毛孔里散出。据报道,喝一杯热茶,通过人体的皮肤毛孔出汗散发的热量,相当于这杯茶的50倍,故能使人感到凉爽解暑。
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其实并不一定只有茶叶称之为茶,菊花、玫瑰、薄荷、柠檬、胖大海、蒲公英等等都可以泡茶喝,也有清热降火的功效。
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蒲公英有清热解毒、消肿之功效,现代医学研究研究发现,蒲公英有抗菌的作用,对消化不良、习惯性便秘均有疗效。晒干的蒲公英可以泡茶喝。长白野生的蒲公英根,它野性十足,去火的效果也相对要好。