Bioscience, Biotechnology, and Biochemistry
Online ISSN : 1347-6947
Print ISSN : 0916-8451
Microbiology & Fermentation Technology Notes
Isolation and Identification of a New Bifidogenic Growth Stimulator Produced by Propionibacterium freudenreichii ET-3
Kakuhei ISAWAKenichi HOJONobuo YODATomonori KAMIYAMASeiya MAKINOMizue SAITOHitomi SUGANOChinami MIZOGUCHISaori KURAMAMika SHIBASAKINoriko ENDOYoshio SATO
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2002 Volume 66 Issue 3 Pages 679-681

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Abstract

  We have found a new growth stimulator for bifidobacteria in the culture broth of Propionibacterium freudenreichii ET-3. The bifidogenic growth stimulator (BGS) was purified by Diaion HP-20 column chromatography and preparative HPLC. Spectroscopic methods including 1H-NMR, UV, and LC-ESI-MS experiments indicated that the chemical structure of the bifidogenic growth stimulator was 1,4-dihydroxy-2-naphthoic acid (DHNA). Approximately 10 mg/L of DHNA was found to be produced in the culture broth of P. freudenreichii ET-3.

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© 2002 by Japan Society for Bioscience, Biotechnology, and Agrochemistry
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