Molecular Species Compositions of Triacylglycerols in Subcutaneous Fat Biopsies Taken from Fattening Japanese Black

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  • ITOH Makoto
    School of Veterinary Medicine and Animal Science, Kitasato University
  • ARIHARA Keizou
    School of Veterinary Medicine and Animal Science, Kitasato University

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  • 肥育中の黒毛和種から採取した皮下脂肪トリアシルグリセロールの分子種組成
  • Molecular Species Compositions of Triac

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Abstract

The compositions of molecular species of triacylglycerol of subcutaneous fat biopsies taken from fattening spaiers and steers of Japanese Black were determined. There were no differences in the molecular species concentrations of triacylglycerols between spaiers and steers at 13 or 30 months of age, however the molecular species compositions of triacylglycerols of the 13 months of age were significantly different from those of the 30 months of age. The major molecular species of subcutaneous triacylglycerol at 13 months of age were [dipalmitoyl (PP)-stearoyl (S)-glycerol ([PPS])], dipalmitoyl (PP)-oreoyl (O)-glycerol (PPO) and POO, and at 30 months of age were PPO and POO. POO had the highest concentration in these molecular species. POO, POL and SOL concentrations of subcutaneous triacylglycerols at 30 months of age were higher than those of 13 months of age.

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