Effects of Brown Algae on Faecal Flora of Rats.

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  • Kuda Takashi
    Department of Food Science and Technology, Tokyo University of Fisheries
  • Fujii Tateo
    Department of Food Science and Technology, Tokyo University of Fisheries
  • Saheki Kazuaki
    Department of Food Science and Technology, Tokyo University of Fisheries
  • Hasegawa Aya
    Department of Food Science and Technology, Tokyo University of Fisheries
  • Okuzumi Masayo
    Department of Food Science and Technology, Tokyo University of Fisheries

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Other Title
  • 褐藻類のラット糞便フローラに及ぼす影響
  • カッソウルイ ノ ラット フンベン フローラ ニ オヨボス エイキョウ

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Abstract

The effects of laminaran and alginic acid, which are present in brown algae as polysac-charides (dietary fiber), and makombu (Laminaria japonica) on the faecal microflora, pH, volatile basic nitrogen (VBN), and weight, and on the body weight were investigated in rats. In the case of 10% laminaran or 2% makombu-containing diets intake, the number of total viable count in faeces increased and faecal pH value dropped. On the other hand, in the case of 20% makombu- or 10% alginic acid-containing diets intake, the number of total viable count in faeces decreased and faecal weight increased. Faecal VBN increased with alginic acid dose. These results indicate that intake of brown algae allowed changes in intestinal flora and pH value.

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