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Biosynthesis of caffeine by tea-leaf extracts. Enzymic formation of theobromine from 7-methylxanthine and of caffeine from theobromine.

1. Extracts prepared from tea leaves with Polyclar AT (insoluble polyvinylpyrrolidine) contained two methyltransferase activities catalysing the transfer of methyl groups from S-adenosylmethionine to 7-methylxanthine, producing theobromine, and to theobromine, producing caffeine. 2. The methyltransf...

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Main Authors: Suzuki, T, Takahashi, E
格式: Artigo
語言:Inglês
出版: 1975
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在線閱讀:https://ncbi.nlm.nih.gov/pmc/articles/PMC1165278/
https://ncbi.nlm.nih.gov/pubmed/238504
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