Food Science and Biotechnology

Korean Society of Food Science and Technology (한국식품과학회)
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Enhancement of Anti-tumorigenic Polysaccharide Production, Adhesion, and Branch Formation of Bifidobacterium bifidum BGN4 by Phytic Acid

  • Ku, Seock-Mo (Department of Food and Nutrition, Research Institute of Human Ecology, Seoul National University) ;
  • You, Hyun-Ju (Department of Food and Nutrition, Research Institute of Human Ecology, Seoul National University) ;
  • Ji, Geun-Eog (Department of Food and Nutrition, Research Institute of Human Ecology, Seoul National University)
  • Published : 2009.06.30
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Abstract

The polysaccharide (BB-pol) extracted from Bifidobacterium bifidum BGN4 showed growth inhibitory effects on several colon cancer cell lines such as HT-29 and HCT-116. To increase the yield of polysaccharide, B. bifidum BGN4 was cultured in various culture media with different compositions. When B. bifidum BGN4 was cultured in modified MRS broth containing phytic acid, the cells showed increased branch formation and enlarged morphology. The content of total carbohydrate and the ability of adhesion to intestinal epithelial cells were also increased by phytic acid. The polysaccharide obtained from the cells grown in the presence of phytic acid inhibited the proliferation of cancer cell lines such as HT-29 and MCF-7 cells but not normal colon cell line, FHC. Taken together, Bifidobacterium grown in the presence of phytic acid may confer enhanced beneficial function for the host.

Keywords

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