Production of Lean Beef Containing a High Content of trans-10, cis-12 Conjugated Linoleic Acid by Feeding a High-Temperature-Micro-Time-Treated Diet with Extruded Soybean

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著者

    • Lee Honggu LEE Honggu
    • Department of Animal Science, School of Agricultural Biotechnology, Seoul National University
    • WANG Jihui
    • Department of Animal Science, School of Agricultural Biotechnology, Seoul National University
    • HONG Zhongshan
    • Department of Animal Science, School of Agricultural Biotechnology, Seoul National University
    • KANG Sangkee
    • Department of Animal Science, School of Agricultural Biotechnology, Seoul National University
    • CHOI Naggin
    • Department of Animal Science, School of Agricultural Biotechnology, Seoul National University
    • ROH Sanggun
    • Department of Food Production Science, Faculty of Agriculture, Shinshu University
    • CHOI Yunjaie
    • Department of Animal Science, School of Agricultural Biotechnology, Seoul National University

抄録

The effects were observed of feeding a high-temperature-micro-time (HTMT)-treated diet of high-quality extruded soybean (ESB) on <I>trans-10</I>, <I>cis-12</I> conjugated linoleic acid (CLA) incorporation in intra-muscular fat and on the lipid metabolism of twelve Holstein steers. The animals were randomly allocated to three groups, the control group being fed on a normal diet, and the other two groups being fed on a diet containing high-quality ESB with or without the HTMT treatment. The experimental period was four months. The content of total CLA in both the HTMT and non-HTMT-treated diets was higher than that in the control diet (<I>P</I><0.05). The concentration of <I>trans-10</I>, <I>cis-12</I> CLA was significantly higher in the HTMT-treated diet than in the non-treated diets at <I>P</I><0.05, and the HTMT-treatment decreased the intra-muscular fat content (<I>P</I><0.05). The expression of fatty acid synthase (FAS) and the plasma insulin-like growth factor-1 (IGF-1) level in the HTMT-treated group were lower than those in the control group (<I>P</I><0.05). Lipoprotein lipase (LPL) mRNA level in the adipose tissue was lower in the non-HTMT-treated group than in the control (<I>P</I><0.05). These results show that the HTMT treatment increased the level of <I>trans-10</I>, <I>cis-12</I> CLA in the intra-muscular fat. This increased level of <I>trans-10</I>, <I>cis-12</I> CLA may inhibit lipogenesis in the intra-muscular fat of Holstein steers.

収録刊行物

  • Bioscience, biotechnology, and biochemistry  

    Bioscience, biotechnology, and biochemistry 70(11), 2589-2597, 2006-11-23 

    Japan Society for Bioscience, Biotechnology, and Agrochemistry

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各種コード

  • NII論文ID(NAID)
    10018524445
  • NII書誌ID(NCID)
    AA10824164
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09168451
  • NDL 記事登録ID
    8560223
  • NDL 雑誌分類
    ZR7(科学技術--農林水産--農産) // ZR2(科学技術--生物学--生化学) // ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z53-G223
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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