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. 2000 Dec;64(12):2712-5.
doi: 10.1271/bbb.64.2712.

Characterization of a Vitamin B12 Compound in the Edible Purple Laver, Porphyra Yezoensis

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Characterization of a Vitamin B12 Compound in the Edible Purple Laver, Porphyra Yezoensis

F Watanabe et al. Biosci Biotechnol Biochem. .
Free article

Abstract

The edible purple laver, Porphyra yezoensis, contained 51.49+/-1.51 microg of vitamin B12 compounds per 100 g dry weight of the laver (mean +/- SEM, n = 4). A vitamin B12 compound was purified from the lyophilized purple laver and partially characterized. The silica gel 60 TLC and reversed-phase HPLC patterns of the purified pink-colored compound were identical to those of authentic vitamin B12, but not to those of vitamin B12 analogues inactive for humans.

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