一、喜喝新茶新茶存放时间短,含有未氧化的多酚类、醛类等物质,对人的胃肠黏膜有刺激作用,易诱发胃病。二、喝头遍茶茶叶在栽培与加工中受农药等有害物的污染,所以,头遍茶应弃之不喝。三、空腹喝茶空腹喝茶可稀释胃液,降低消化功能,致使茶叶中不良成分引 A hi hi tea New tea storage time is short, containing non-oxidized polyphenols, aldehydes and other substances on the human gastrointestinal mucosa have a stimulating effect, easy to induce stomach. Second, drink all the time Tea in the cultivation and processing of pesticides and other harmful substances in the pollution, therefore, all over the tea should not be abandoned. Third, fasting drink tea Fasting tea can dilute the gastric juice, reduce digestion, leading to poor ingredients in tea