- Characterization of corrinoid compounds from a Japanese black tea (Batabata-cha) fermented by bacteriaHiromi Kittaka-Katsura
Department of Food and Nutrition, Kyoto Women s University, Kyoto 605 8501, Japan
J Agric Food Chem 52:909-11. 2004..The results indicate that the vitamin B(12) found in the fermented black tea is bioavailable in mammals...
- Occurrence of vitamin B12 in green, blue, red, and black tea leavesHiromi Kittaka-Katsura
Department of Food and Nutrition, Kyoto Women s Untiversity, Kyoto 605 8501, Japan
J Nutr Sci Vitaminol (Tokyo) 50:438-40. 2004....
- Purification and characterization of a corrinoid compound from Chlorella tablets as an algal health foodHiromi Kittaka-Katsura
Department of Health Science, Hiroshima Prefectural Women's University, Hiroshima 734-8558, Japan
J Agric Food Chem 50:4994-7. 2002..The purified corrinoid compound was identified as vitamin B12, on the basis of silica gel 60 TLC, C18 reversed-phase HPLC, 1H NMR spectroscopy, and UV-Vis spectroscopy...
- Characterization and bioavailability of vitamin B12-compounds from edible algaeFumio Watanabe
Department of Health Science, Kochi Women s University, Kochi 780 8515, Japan
J Nutr Sci Vitaminol (Tokyo) 48:325-31. 2002..Pseudovitamin B12 (an inactive corrinoid) predominated in the spirulina tablets, which are not suitable for use as a vitamin B12 source, especially for vegetarians. algal health food, bioavailability, cobalamin, edible algae, vitamin B12..