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  • Title: Characterization of a corrinoid compound in the edible (blue-green) alga, Suizenji-nori.
    Author: Watanabe F, Miyamoto E, Fujita T, Tanioka Y, Nakano Y.
    Journal: Biosci Biotechnol Biochem; 2006 Dec; 70(12):3066-8. PubMed ID: 17151457.
    Abstract:
    The edible blue-green alga (cyanobacterium), Suizenji-nori, contained 143.8+/-22.4 microg of vitamin B(12) per 100 g dry weight of the alga (mean+/-SE, n=4). A corrinoid compound was purified from the dried Suizenji-nori, and partially characterized. The silica gel 60 TLC and reversed-phase HPLC patterns of the purified corrinoid compound were not identical to those of true vitamin B(12), but to those of pseudovitamin B(12) which is inactive for humans.
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