VITAMINS
Online ISSN : 2424-080X
Print ISSN : 0006-386X
STUDIES ON THE DECOMPOSITION OF L-ASCORBIC ACID : (VII) DECOMPOSING MECHANISM OF L-ASCORBIC ACID BY BACTERLA (2)
Shintaro KAMIYA
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1959 Volume 16 Pages 8-11

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Abstract
In this paper, it was demonstrated that L-ascorbic acid was oxidized to dehydroascorbic acid by the L-ascorbic acid-oxidase in unadapted cells, and by the L-ascorbic acid-dehydrogenase in adapted cells. It was also found that the decomposing ability of L-ascorbic acid was lost in adapted cells when cells were not contacted with L-ascorbic acid for a long time, but was recovered again after some induction period when cells were contacted with L-ascorbic acid. On the other hand, from the results that L-ascorbic acid was decomposed by adapted cells of L-ascorbic acid but was not by adapted ones of D-araboascorbic acid, while 2-keto-L-gulonic acid was not by both adapted ones, it was concluded that L-form of C_5-OH group and endiol group in L-ascorbic acid molecule played important roles for the adaptive production of L-ascorbic acid decomposing enzyme system.
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© 1959 THE VITAMIN SOCIETY OF JAPAN

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https://creativecommons.org/licenses/by-nc-nd/4.0/deed.ja
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