火落菌増殖に及ぼすビタミンB_6の影響

概要

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In the previous paper, the authors reported that the addition of pyridoxine to sake exerted no growth-stimulating effect on the putrefactive bacteria (Hiochikin).In the subsequent study the authors found that vit. B_6 was contained in sake in a concentration of about 1 microgram per ml.In this paper, the results of reexamination of the effect of vit. B_6 and related compounds are reported.Any clear interrelationship could not been observed between total vit. B_6 content and liability to putrefaction of sake by the bacteria tested.After removal of vit. B_6 in sake by adsorption on active carbon or irradiation with direct sunlight, the effects of the addition of vit. B_6 and related substances were studied.Pyridoxine, pyridoxal and pyridoxamine showed no effect, pyridoxamine phosphate some effect, and the combined use of pyridoxamine phosphate and vit. B_<12> was more effective, but the effect was less than that of tomato juice. When cultured in sake, the species tested were found to be able to synthesize vit. B_6.
公益社団法人日本生物工学会の論文
1955-06-15