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单词 theine
释义

theine

/ˈθiːiːn / /ˈθiːɪn /
noun [mass noun]
Caffeine, especially when it occurs in tea.Eventually it was shown that the theine of tea was identical with the caffeine of coffee, and the term theine was then dropped....
  • Analysis certificates are issued for each processed batch; these certificates also state the percentage of theine and residues still left.

Origin

Mid 19th century: from modern Latin Thea (former genus name of the tea plant, from Dutch thee) + -ine4.

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更新时间:2024/12/23 9:40:09