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This report presents the economics of feed-grade Riboflavin production via a typical direct fermentation process using glucose as carbon source in the United States. In the process examined, Riboflavin is produced by fermentation of a glucose syrup. After fermentation, the broth is pasteurized for the inactivation of the microorganisms, Riboflavin is recovered by centrifugation, subjected to a mineral acid treatment, dried and packed. The final product obtained is 96 wt% Riboflavin (feed-grade).
This report presents a cost analysis of food-grade Riboflavin production via a typical direct fermentation process using glucose as carbon source in the USA. In the process examined, Riboflavin is produced by fermentation of a glucose syrup. After fermentation, the broth is pasteurized for the inactivation of the microorganisms, Riboflavin is recovered by centrifugation, subjected to a mineral acid treatment, re-crystallized for further purification, dried and packed. The final product obtained is 99 wt% Riboflavin (food-grade).