Characterization and Bioavailability of Vitamin B_<12>-Compounds from Edible Algae
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概要
- 論文の詳細を見る
Substantial amounts of vitamin B12 were found in some edible algae (green and purple layers) and algal health food (chlorella and spirulina tablets) using the Lactobacillus delbrueckii subsp. lactis ATCC7830 microbiological assay method. Corrinoidcompounds were purified and characterized from these algae to clarify the chemical properties and bioavailability of the algal vitamin B12. True vitamin B12 is the predominate cobamide of green and purple layers and chlorella tablets. Feeding the purple layer to vitamin B12-deficient rats significantly improved the vitamin B12 status. The results suggest that algal vitamin B12 is a bioavailable source for mammals. Pseudovitamin B12 (an inactive corrinoid) predominated in the spirulina tablets, which are not suitable for use as a vitamin B12 source, especially for vegetarians.
- 財団法人 学会誌刊行センターの論文
- 2002-10-01
著者
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Kittaka (katsura)
Department Of Health Science Hiroshima Prefectural Women's University
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Ebara Shuhei
Department Of Applied Biological Chemistry Graduate School Of Life And Environmental Sciences Osaka
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Ebara Shuhei
Department Of Applied Biological Chemistry Osaka Prefecture University
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Miyamoto Emi
Department Of Health And Nutrition Nagasaki International University
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Takenaka S
Department Of Veterinary Sciences Osaka Prefecture University
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Watanabe Fumio
School Of Agricultural Biological And Environmental Sciences Faculty Of Agriculture Tottori Universi
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Watanabe F
Faculty Of Regional Environmental Science Tokyo University Of Agriculture
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Takenaka Shigeo
Department Of Mathematics Hiroshima University
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Watanabe Fumio
Department Of Agricultural Chemistry University Of Osaka Prefecture
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Toyoshima Shigeki
Laboratory Of Nutrition And Food Science Hagoromo-gakuen College
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Watanabe Fumio
Department Of Oral And Maxillofacial Sciences Gifu University School Of Medicine
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KITTAKA-KATSURA Hiromi
Department of Health Science, Hiroshima Prefectural Women's University
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