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Degradation of riboflavin by alimentary bacteria of the ruminant and man: production of 7,8-dimethyl-10-carboxymethylisoalloxazine

Published online by Cambridge University Press:  24 July 2007

D. W. West  and
E. C. Oiven
D. W. West
Affiliation:
Biochemistry Department, Hannah Research Institute, Ayr KA6 5HL
E. C. Oiven
Affiliation:
Biochemistry Department, Hannah Research Institute, Ayr KA6 5HL
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Abstract

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1. A new product of the bacterial degradation of riboflavin has been isolated from fermentations in vitro of mixtures of either rumen bacteria or caecal bacteria with excess of the vitamin.

2. This product has been identified as 7,8-dimethyl-10-carboxymethylisoalloxazine and has also been shown to occur in the urine of ruminants and man.

3. The bacterial formation of this compound is compared with the bacterial formation of other isoalloxazines previously identified in similar incubation mixtures, and is discussed in relation to the factors influencing the mode of degradation of riboflavin.

Type
Research Article
Information
British Journal of Nutrition , Volume 29 , Issue 1 , January 1973 , pp. 33 - 41
Copyright
Copyright © The Nutrition Society 1973

References

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