俗称茶单宁，是茶叶特有成份，具有苦、涩味及收敛性。
Commonly known as tea tannin, is a unique composition of tea, with bitter, astringent and convergence.
草酸盐和磷酸盐在植物性食品可以抑制吸收，可以在茶单宁。
Phytates, oxalates and phosphates present in plant foods can inhibit absorption, as can tannin in tea.
单宁有茶的涩味、颜色和香味。
可以用湿茶包代替纱布，茶叶里所含的单宁酸可以帮助减少出血。
A wet tea bag can replace the gauze pads. Tannin contained in tea can help reduce the bleeding.
单宁酸是造成茶喝起来苦涩的化学物质。
Tannin is the chemical that contributes to the bitterness and astringency in tea.
单宁酸是造成茶喝起来苦涩的化学物质。
Tannin is the chemical that contributes to the bitterness and astringency in tea.
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