References
- Rodionov , D. A. , Vitreschak , A. G. , Mironov , A. A. and Gelfand , M. S. 2003 . Comparative genomics of the vitamin B12 metabolism and regulation in prokaryotes . J. Biol. Chem. , 278 : 41148 – 41159 .
- Watanabe , F. , Katsura , H. , Takenaka , S. , Fujita , T. , Abe , K. , Tamura , Y. , Nakatsuka , T. and Nakano , Y. 1999 . Pseudovitamin B12 is the predominate cobamide of an algal health food, spirulina tablets . J. Agric. Food Chem. , 47 : 4736 – 4741 .
- Watanabe , F. , Michihata , T. , Takenaka , S. , Kittaka‐Katsura , H. , Enomoto , T. , Miyamoto , E. and Adachi , S. 2004 . Purification and characterization of corrinoid compounds from a Japanese fish sauce . J. Liq. Chrom. Rel. Technol. , 27 : 2113 – 2119 .
- 1998 . “ Institute of Medicine. Vitamin B12 ” . In Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline 306 – 356 . Washington, DC : Institute of Medicine, National Academy Press .
- Resources Council, Science and Technology Agency . 1995 . Standard Tables of Food Composition in Japan—Vitamin K, B6, and B12 16 – 56 . Tokyo : Resources Council, Science and Technology Agency .
- Yamada , S. , Shibata , Y. , Takayama , M. , Narita , Y. , Sugawara , K. and Fukuda , M. 1996 . Content and characteristics of vitamin B12 in some seaweeds . J. Nutr. Sci. Vitaminol. , 42 : 497 – 505 .