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  • 标题:Application of Chromatography. XXXII. Biosynthesis of Riboflavin by Eremothecium ashbyii.
  • 本地全文:下载
  • 作者:Toru Masuda
  • 期刊名称:Chemical and Pharmaceutical Bulletin
  • 印刷版ISSN:0009-2363
  • 电子版ISSN:1347-5223
  • 出版年度:1957
  • 卷号:5
  • 期号:2
  • 页码:136-141
  • DOI:10.1248/cpb1953.5.136
  • 出版社:The Pharmaceutical Society of Japan
  • 摘要:It was ascertained by paper partition chromatography, ultraviolet spectrum, and bioassay with L. casei that the green fluorescent substance, G compound, isolated from the mycelium of Er. ashbyii readily reacts with diacetyl or with acetoin to form riboflavin. These results established the structure 8-ribityl-6, 7-dimethyllumazine, formerly proposed by the author for the G compound. On the other hand, a large quantity of acetoin was detected in the mycelium and the culture filtrate, and comparing the amount with those of riboflavin and G compound in these materials, the assumption was made that the biosynthesis of riboflavin by Er. ashbyii might be effected by condensation of acetoin with G compound at the position of the methyl groups.
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