Black tea extracts are normally produced by a hot or boiling water extraction process usually a countercurrent process.
红茶的提取物通常是用热水或沸水通过逆流萃取工艺来制取的。
Total sugar and tannins constituted the main water extracts content of Water—lily Tea.
总糖、单宁是构成“荷花茶”可溶性成分的主体物质；
In other words, water extracts of tea play a decisive role in the tea quality.
也就是说，水浸出物对茶叶品质起着决定性作用。
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