家畜•家禽の各種組織のα-トコフェロールと高度不飽和脂肪酸量並びにその量的関係

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タイトル別名
  • Alpha-tocopherol and Polyunsaturated Fatty Acid Levels and Their Quantitative Relationships in Animal and Poultry Tissues
  • カチク カキン ノ カクシュ ソシキ ノ アルファ トコフェロール ト コウド

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This study was conducted with 2 rabbits and 3 each of chicken, pigs and cattle, which were raised on their respective commercial formula feeds and slaughtered at their live weights suitable for slaughter. Their internal organ, skeletal muscle and adipose tissuse were analyzed for tocopherols (Toc), lipids and polyunsaturated fatty acids (PUFA), including the quantitative relationship between α-Toc and PUFA.<br>The animal tissues examined had α-and γ-Toc with α-Toc being predominant. The tissue α-Toc contents (μg/100g) for the rabbit and chicken tended to be higher than those for the pig and cow. Of the rabbit and chicken tissues, the internal organ and adipose tissues gave relatively higher contents of α-Toc varying from 343 to 1759 and from 541 to 1931 μg/100g, respectively. The internal organ lipids, as expected, contained higher levels of PUFA in comparison with the skeletal muscle and adipose tissue lipids. The high concentration of α-Toc (μ mol) per gram of PUFA was noticed in tissues susceptible to lipid peroxidation, especially in lung and heart. The lung and heart tissues of the rabbit, chicken and cow contained 2.33 to 5.46 and 1.43 to 3.47 μ mol of α-Toc per gram of PUFA, respectively. The concentrations of α-Toc per gram of PUFA also tended to be relatively high in the skeletal muscular tissues (1.16 to 2.39μmol) but lowest in the adipose tissues (0.03 to O.35μmol).

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