Another phenolic constituent is tea, theogallin, accounts for approximately 1 percent of the dry weight of the leaf. Chlorogenic acid, also a phenolic compound, is a minor constituent in tea.

 
  • 茶叶中另一酚类组分是3-邻-没食子酰奎尼酸,它约占茶叶干重的1%25。同属酚类化合物的绿原酸在茶叶中是次要成分。
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