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KMID : 1134820080370080985
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Journal of the Korean Society of Food Science and Nutrition
2008 Volume.37 No. 8 p.985 ~ p.991
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Increment of Physiologically Active Compounds in Germinated Brown Rice Treated with Chitosan and its Effect on Obesity of Rat Fed a High Fat Diet
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Li Hua
Lee Kang-Deok
Choi Cha-Ran
Ham Kyung-Sik
Cho Jeong-Yong
Gao Cheng-Tian
Cho Ji-Eun
Cho Gun-Sik
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Abstract
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This study was to investigated the changes of physiologically active components in germinated brown rice
treated with chitosan (CGBR) and its anti-obesity effect in rat fed a high fat diet. Contents of physiologically
active compounds such as total phenolic compounds, total dietary fiber, γ-aminobutyric acid (GABA), and
total phytic acid in CGBR were significantly higher than those of traditional germinated brown rice (GBR).
Lipase inhibitory activity of CGBR was higher than those of GBR and brown rice (BR). High fat diets containing
CGBR, GBR, and BR were administered to three groups of male Sprague-Dawley rats for four weeks. All
groups showed no significant difference in body weight, total abdominal fat, and plasma lipid levels. However,
CGBR group appeared to have lower body weight gain and total abdominal fat level than other groups fed
high fat diets containing GBR and BR. Total cholesterol and LDL-cholesterol contents in plasma of CGBR
group were also lower than those of other groups. Thus, new germination method of brown rice using chitosan
is a useful process, which utilizes plant defense responses to elevate the production of secondary metabolites
and anti-obesity effect.
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KEYWORD
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germinated brown rice, chitosan, dietary fiber, γ-aminobutyric acid, anti-obesity
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