Method of purifying ferment-produced riboflavin

Details Method of purifying ferment-produced riboflavin Method of purifying ferment-produced riboflavin

1991-07-01

1993-05-11

Lilling, Herbert J.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing compound other than saccharide containing...

435 85, 435 86, 544251, C12P 2500, C12N 116, C07D47514

Patent

active

052100235

ABSTRACT:
A method of purifying ferment-produced riboflavin, wherein the impure riboflavin is suspended in water or dilute aqueous acid, and the suspension is heated at a temperature of from 75.degree. to 130.degree. C. for from 0.3 to 3 hours with stirring, during which time crystal transformation takes place, after which the mixture is cooled and the purified product is isolated in known manner.

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patent: 4794081 (1988-12-01), Kawai et al.

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