Patent ID: 7767426
Filing Date: 2010-08-03
Classification: C11B,C12N,C12P,Y02W

Abstract:
1. A method of producing riboflavin comprising culturing riboflavin-producing microbes in a culture medium containing a waste clay obtained from a process of decoloring or refining oils and fats wherein said waste clay contains oils and fats adsorbed in said process, and forming and accumulating riboflavin therein and collecting riboflavin therefrom, wherein said oils and fats adsorbed by said waste clay comprise a carbon source for said microbes, said waste clay being obtained as a by-product of decoloring or refining oils and fats, said waste clay containing oil components in an amount of from about 20 to about 60% by weight adsorbed therein at the time of decoloring or refining.