アコヤ真珠および貝殻の真珠層粉末における ラット体脂肪減少効果の検討

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タイトル別名
  • Administration of powdered Pinctada fucata martensii pearl or Pinctada maxima nacre to rats reduces their visceral fat amounts
  • アコヤ シンジュ オヨビ カイガラ ノ シンジュソウ フンマツ ニ オケル ラット タイシボウ ゲンショウ コウカ ノ ケントウ

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Mother of pearl (nacre) contains aragonite-type crystals of calcium carbonate embedded in an organic matrix. Nacre powder is sold as a food supplement for calcium deficiency. In this study we studied the effects of administration of the nacre powder to rats. The nacre powder was obtained from the inner shell layer of the giant oyster, Pinctada maxima (Mikimoto Pharmaceutical Co., Mie, Japan), and Pinctada fucata martensii pearl (Ginza Tomato Co., Tokyo, Japan). The mean size of the nacre particles from Pinctada maxima was 2.2 mm in diameter. We have found that the nacre powder given to rats reduces the mean body weight, visceral fat amount and blood triglyceride levels without affecting the mean food intake, body length and weight of muscle tissue. Our results suggest that the nacre powder is a potential food supplement for therapy of visceral obesity associated closely with the metabolic syndrome.

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