Effects of Dietary Black Sea Cucumber on Serum and Liver Lipid Concentrations in Rats

  • Tanaka Kazunari
    Laboratory of Nutrition Chemistry, Siebold University of Nagasaki
  • Nishizono Shoko
    Laboratory of Nutrition Chemistry, Siebold University of Nagasaki
  • Kase Ayako
    Laboratory of Nutrition Chemistry, Siebold University of Nagasaki
  • Ogura Sumiko
    Laboratory of Nutrition Chemistry, Siebold University of Nagasaki
  • Kurita Midori
    Laboratory of Nutrition Chemistry, Siebold University of Nagasaki
  • Murakami Tomoko
    Laboratory of Nutrition Chemistry, Siebold University of Nagasaki
  • Kugino Kenji
    Laboratory of Nutrition Chemistry, Siebold University of Nagasaki
  • Matsumoto Hitoshi
    Nagasaki Prefectural Institute of Fisheries
  • Ikeda Ikuo
    Laboratory of Nutrition Chemistry, Faculty of Agriculture, Graduate School Kyushu University

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Other Title
  • クロナマコのラット血清および肝臓脂質濃度に及ぼす影響
  • クロナマコ ノ ラット ケッセイ オヨビ カンゾウ シシツ ノウド ニ オヨボス エイキョウ

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Abstract

Male Sprague-Dawley rats were fed a 0.2% cholesterol diet containing 20% casein (control group) or 15% casein and 5% black sea cucumber, as protein, for 4 weeks. Serum and hepatic cholesterol concentrations were significantly lower in rats fed black sea cucumber than in those fed a control diet. The ratio of HDL-cholesterol to total cholesterol was higher in the black sea cucumber group than in the control group. Fecal excretion of neutral and acidic steroids was stimulated by ingestion of black sea cucumber. These results suggest that black sea cucumber exerts a hypocholesterolemic effect by increasing the excretion of total steroids in feces.

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