Tartaric acid synthesis from l-ascorbic acid-1-14C in grape berries

作者: Kazumi Saito , Zenzaburo Kasai

DOI: 10.1016/S0031-9422(00)88177-7

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摘要: Young grape berries were exposed to 14 CO 2 for 10 min under light and dark conditions, and changes of 14 C-assimilation products was surveyed during a short period. In the light, radioactivity was found in tartaric acid immediately after 14 CO 2-fixation, while in the dark, radioactivity was not detected in tartaric acid until 480 min after 14 CO 2-fixation. d-Glucurono-γ-lactone-6-14 C, l-ascorbate-1-14 C, d-glucuronate-6-14 C and sucrose-U-14 C were fed to young grape berries, and the incorporation into tartaric acid was investigated. A …

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