Distribution of Thiamine, Biotin, and Niacin in the Sea | Zendy

Karthikeyan Natarajan | Zendy

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Distribution of Thiamine, Biotin, and Niacin in the Sea

Author(s) -

Karthikeyan Natarajan

Publication year - 1968

Publication title -

applied microbiology

Language(s) - English

Resource type - Journals

ISSN - 0003-6919

DOI - 10.1128/am.16.2.366-369.1968

Subject(s) - niacin , thiamine , biotin , b vitamins , bioassay , biology , chemistry , biochemistry , ecology , endocrinology

The distribution of thiamine, biotin, and niacin was investigated in surface waters collected from 20 stations in southeast Alaska, by use of bioassay methods. A marine yeast,Cryptococcus albidus , was used for thiamine, and mutants of the marine bacteriumSerratia marinorubra were used for biotin and niacin. Thiamine was found in 6 (38%) of the samples in amounts ranging to 200 ng/liter; biotin was found in 8 (38%) of the samples in amounts ranging to 3.1 ng/liter. Niacin was found to be completely absent in all of the samples assayed. The significance of the presence of thiamine and biotin in the productivity of the area is discussed.

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