Occurrence of coenzyme forms of vitamin B12 in a cultured purple laver (Porphyla yezoensis) |
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Authors: | Takenaka Shigeo Takubo Keiko Watanabe Fumio Tanno Toshihiko Tsuyama Shingo Nanano Yoshihisa Tamura Yoshiyuki |
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Affiliation: | Department of Veterinary Sciences, Osaka Prefecture University, Sakai, Japan. takenaka@vet.osakafu-u.ac.jp |
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Abstract: | Porphyra yezoensis (Susabinori, an edible purple laver), which was cultured aseptically for 12 weeks and then lyophilized, contained 50+/-2 microg/g of vitamin B(12) per 100 g dry weight. Coenzyme forms of vitamin B(12) (about 60% of the total vitamin B(12)) were found in the cultured purple laver aseptically, which may have the ability to biosynthesize the coenzymes. |
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