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The biosynthesis of caffeine in the coffee plant

by Looser, E; Baumann, T.W; Wanner, H.
Publisher: 1974Subject(s): COFFEA ARABICA | BIOSINTESIS | CAFEINA | BIOQUIMICA | ANALISIS DE TEJIDOS | METILSANTINAS | COFFEA ARABICA | BIOSYNTHESIS | CAFFEINE | BIOCHEMISTRY | TISSUE ANALYSIS | COFFEA ARABICA | BIOSYNTHESE | CAFEINE | BIOCHIMIE | ANALYSE DE TISSUS In: Phytochemistry (RU) v. 13(11) p. 2515-2518Summary: Leaf disks of Coffea arabica were infiltrated simultaneously with L-methionine-(methyl-14C) and with various possible precursors of caffeine biosynthesis. The results permit the identification of theobromine, 7-methylxanthine and 7-methylxanthosine as precursors of caffeine. 7-methylguanosine seems not to be an intermediate in caffeine formation
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++Dat. num. 12 ref. Sum. (En)

Leaf disks of Coffea arabica were infiltrated simultaneously with L-methionine-(methyl-14C) and with various possible precursors of caffeine biosynthesis. The results permit the identification of theobromine, 7-methylxanthine and 7-methylxanthosine as precursors of caffeine. 7-methylguanosine seems not to be an intermediate in caffeine formation

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