Process for producing 1,4-dihydroxy-2-naphthoic acid

Details Process for producing 1,4-dihydroxy-2-naphthoic acid Process for producing 1,4-dihydroxy-2-naphthoic acid

2009-08-19

2010-11-16

Oh, Taylor Victor (Department: 1625)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Radical -xh acid, or anhydride, acid halide or salt thereof...

C435S136000, C562S467000

Reexamination Certificate

active

07834061

ABSTRACT:
A composition containing 1,4-dihydroxy-2-naphthoic acid at a high concentration is obtained by intracellularly and extracellularly producing 1,4-dihydroxy-2-naphthoic acid using a bacterium belonging to the genusPropionibacteriumand collecting it. This composition is efficacious in improving intestinal flora, alleviating abdominal ailments in association with the intake of milk, and preventing metabolic bone diseases.

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