green tea caffeine 中文意思是什麼
green tea caffeine
解釋
茶天然咖啡因-
Tea leaves contain more caffeine ( 2. 7 to 4. 6 percent of the dried green tea leaf ) than does roasted coffee. but the concentration in the beverage averages somewhat less in tea
茶葉含有比焙炒咖啡更多的咖啡因(占干綠茶葉的2 . 7 ~ 4 . 6 % ) ,但在飲料方面,茶中的咖啡因平均濃度卻稍低。
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