摘要: SOME new facts have been found suggesting that the first stage in biological oxidation of carbohydrate is its conversion to glucose-6-phosphoric acid (or Robison ester), which oxidized1 6-phospho-gluconic acid. Dehydrogenation by a specific dehydrogenase co-enzyme system yields 6-phospho-ketogluconic acid, probably 2-keto then decarboxylated. In animal tissues, where there evidence2 decarboxylation oxidative, phospho-arabonic would result. Yeast carboxylase, converts keto-acids aldehydes, yield arabinose phosphate, as recently suggested Lipmann3. Further 3-carbon systems consist repetition these reactions.
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sci-hub.se 参考文章(3)
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