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早上空腹喝浓茶好么

更新时间: 2020-07-05 00:00:00     

清晨不宜空腹喝茶;清晨起床,空腹之时不要立即饮茶,因为茶叶中含有咖啡因等生物碱,空腹饮茶易使肠道吸收咖啡碱过多,从而会使某些人产生一时性肾上腺皮质功能亢进的症状,如心慌、头昏、手脚无力、心神恍惚等,不常喝茶的人,尤其是清晨空腹喝浓茶,更容易出现上述症状;凡患胃、十二指肠溃疡的中老年人更不宜清晨空腹饮茶,尤其是浓茶,因为过多的鞣酸会刺激胃肠粘膜,从而道致病情加重,有的还会起消化不良或便秘;部分茶叶含有氟,空腹饮茶易致氟摄入量过多,如果氟在人体内蓄积过多,可能会引起肠道疾病、减弱肌肉弹性、损伤贤功能、损坏牙齿

关键词: 早上 空腹 浓茶

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