Selective Use of L-Valine and L-Isoleucine for the Biosynthesis of Branched-chain Fatty Acids in Rat Skin
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概要
- 論文の詳細を見る
Iso- and anteiso-fatty acids are detected in more than trace amounts in rat skin surface lipid. The terminal portion of even carbon number iso- and anteiso-fatty acids are synthesized respectively from valine (Val) and isoleucine (Ile) by essentially the same reaction sequences established for straight chain fatty acids. This paper describes the stereospecific biosynthesis of these branched chain fatty acids (BCFAs) and alcohols (BCFALs) in rat skin. Dependence of the concentration of these BCFAs on dietary L-Val and L-Ile was studied. Concentrations of even carbon number iso- and anteiso-fatty acid increased respectively with dietary L-Val and L-Ile. The saturation dose appeared to be 2% for L-Val and 1% for L-Ile. Supplementation of the diet with 2% D-Val, however, did not affect the concentration of even carbon number iso-fatty acid in rat skin surface lipid despite a comparable serum Val level to that of the 2% L-Val group. A similar experiment using 1% DL-Ile found that L-isomer, but not D-isomer, in the circulation was used for the biosynthesis of anteiso-fatty acids. This view was applicable to the incorporation of D-Val and DL-Ile into related BCFALs.
- 社団法人日本農芸化学会の論文
- 1995-05-23
著者
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OKU Hirosuke
Laboratories of Applied Biochemistry, University of The Ryukyus
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CHINEN Isao
Laboratories of Applied Biochemistry
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Oku Hirosuke
Center Of Molecular Biosciences Tropical Biosphere Res. Center Univ. Of The Ryukyus
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NAGATA Junichi
Laboratory of Applied Biochemistry, Faculty of Agriculture, University of The Ryukyus
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Onotogi Masako
Laboratory of Applied Biochemistry, Faculty of Agriculture, University of The Ryukyus
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Wada Kouji
Laboratory of Applied Biochemistry, Faculty of Agriculture, University of The Ryukyus
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Chinen Isao
Laboratories Of Applied Biochemistry University Of The Ryukyus
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Chinen I
Univ. The Ryukyus Okinawa Jpn
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Chinen Isao
Laboratory Of Applied Biochemistry Faculty Of Agriculture University Of The Ryukyus
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Chinen Isao
Laboratories Of Applied Biochemistry Faculty Of Agriculture University Of The Ryukyus
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Nagata Junichi
Kyushu International University
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Nagata J
Laboratory Of Applied Biochemistry Faculty Of Agriculture University Of The Ryukyus
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Nagata J
Univ. Ryukyus Okinawa Jpn
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NAGATA Junichi
Devision of Materials Science, Faculty of Integrated Arts and Sciences Hiroshima University
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Wada K
Univ. Electro‐communications Chofu‐shi Jpn
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Oku Hirosuke
Laboratories Of Applied Biochemistry University Of The Ryukyus
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Onotogi Masako
Laboratory Of Applied Biochemistry Faculty Of Agriculture University Of The Ryukyus
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Oku H
Division Of Molecular Biotechnology Center Of Molecular Bioscience University Of The Ryukyus
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Oku Hirosuke
Division Of Molecular Biotechnology Center Of Molecular Biosciences University Of The Ryukyus
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Wada Koji
Department Of Bioscience And Biotechnology Faculty Of Agriculture University Of The Ryukyus
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Oku Hirosuke
Laboratory Of Applied Biochemistry Faculty Of Agriculture University Of The Ryukyus
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NAGATA Junichi
Laboratory of Applied Biochemistry, Faculty fo Agriculture, and Clinical Laboratory Department, University of the Ryukyus
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