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タイトル: | Metabolic diversity in biohydrogenation of polyunsaturated fatty acids by lactic acid bacteria involving conjugated fatty acid production |
著者: | Kishino, Shigenobu ![]() ![]() ![]() Ogawa, Jun ![]() ![]() ![]() Yokozeki, Kenzo Shimizu, Sakayu |
著者名の別形: | 小川, 順 |
キーワード: | CLA Conjugated fatty acid Conjugated linoleic acid |
発行日: | Aug-2009 |
出版者: | Springer Verlag |
誌名: | Applied Microbiology and Biotechnology |
巻: | 84 |
号: | 1 |
開始ページ: | 87 |
終了ページ: | 97 |
抄録: | Lactobacillus plantarum AKU 1009a effectively transforms linoleic acid to conjugated linoleic acids of cis-9, trans-11-octadecadienoic acid (18:2) and trans-9, trans-11-18:2. The transformation of various polyunsaturated fatty acids by washed cells of L. plantarum AKU 1009a was investigated. Besides linoleic acid, α-linolenic acid [cis-9, cis-12, cis-15-octadecatrienoic acid (18:3)], γ-linolenic acid (cis-6, cis-9, cis-12-18:3), columbinic acid (trans-5, cis-9, cis-12-18:3), and stearidonic acid [cis-6, cis-9, cis-12, cis-15- octadecatetraenoic acid (18:4)] were found to be transformed. The fatty acids transformed by the strain had the common structure of a C18 fatty acid with the cis-9, cis-12 diene system. Three major fatty acids were produced from α-linolenic acid, which were identified as cis-9, trans-11, cis-15-18:3, trans-9, trans-11, cis-15-18:3, and trans-10, cis-15-18:2. Four major fatty acids were produced from γ-linolenic acid, which were identified as cis-6, cis-9, trans-11-18:3, cis-6, trans-9, trans-11-18:3, cis-6, trans-10-18:2, and trans-10-octadecenoic acid. The strain transformed the cis-9, cis-12 diene system of C18 fatty acids into conjugated diene systems of cis-9, trans-11 and trans-9, trans-11. These conjugated dienes were further saturated into the trans-10 monoene system by the strain. The results provide valuable information for understanding the pathway of biohydrogenation by anaerobic bacteria and for establishing microbial processes for the practical production of conjugated fatty acids, especially those produced from α-linolenic acid and γ-linolenic acid. |
著作権等: | c 2009 Springer-Verlag. This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 |
URI: | http://hdl.handle.net/2433/85301 |
DOI(出版社版): | 10.1007/s00253-009-1949-0 |
PubMed ID: | 19319523 |
出現コレクション: | 学術雑誌掲載論文等 |
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