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Conversion of lutein into dehydroretinol by the freshwater fish, Saccobranchus fossilis

Published online by Cambridge University Press:  09 March 2007

A. B. Barua ,
H. Tombi Singh  and
R. C. Das
A. B. Barua
Affiliation:
Department of Chemistry, Gauhati University, Gauhati-14, Assam, India
H. Tombi Singh
Affiliation:
Department of Chemistry, Gauhati University, Gauhati-14, Assam, India
R. C. Das
Affiliation:
Department of Chemistry, Gauhati University, Gauhati-14, Assam, India
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Abstract

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1. The vitamin A content of Saccobranchus fossilis kept on a diet of rice and meat gradually decreased and became negligible at the end of 3–5 months.

2. S. fossilis initially contained more dehydroretinol than retinol; administration of β-carotene or zeaxanthin to the vitamin A-depleted fish did not result in an accumulation of dehydroretinol in the liver. On the other hand, when lutein was administered by mouth or subcutaneous injection, it was converted into dehydroretinol.

Type
General Nutrition
Information
British Journal of Nutrition , Volume 30 , Issue 1 , July 1973 , pp. 1 - 12
Copyright
Copyright © The Nutrition Society 1973

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