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                當前位置首頁 > 生活常識

                早起后喝茶到底好不好?

                閱讀次數:7387 次  來源:admin  發布時間:

                有人認為早起后喝茶可消脂排毒,對健康有利。可是事實果真是這樣嗎?

                早起后空腹飲濃茶會沖淡胃酸,還會抑制胃液分泌,不僅會引起胃腸不適,食欲減退,而且因空腹飲茶易使腸道吸收過多,茶中所含的咖啡因等生物堿,會使人出現心慌、頭暈等“醉茶”的癥狀。濃茶中含鞣酸較多,還容易引起便秘,反而起不到消脂排毒的作用。

                喝茶應根據個人體質有所選擇,普洱等有養胃作用可適當選用,綠茶等性寒涼對胃寒的人尤其不適。患胃、十二指腸潰瘍的中老年人更不宜清晨空腹飲茶,尤其是 濃茶,因為過多的鞣酸會刺激胃腸黏膜,從而導致病情加重,有的還會引起消化不良。對于貧血的患者,茶葉中的鞣酸可與鐵結合成不溶性的物質,使體內得不到足 夠鐵的來源,故貧血患者不宜飲茶。

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