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KMID : 0903520040470030315
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
2004 Volume.47 No. 3 p.315 ~ p.320
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Preparation of Active Fraction from Radish Water Extracts for Improving the Intestinal Functions and Constipation Activities
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Baik Soon-Ok
Kim Hyun-Kyung
Lee You-Hui
Kim Young-Sook
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Abstract
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The aim of this study was to develop an activator, 3-10 kDa fraction from radish water extracts, that will improve the intestinal function and bowel movement in the colons. Radish water extracts were investigated for their intestinal function effects according to the charcoal meal transit method, employing Balb/C mice: also, their anticonstipation activities were compared utilizing the loperamide-induced constipation method, employing SD rats. The result suggested that the effects of the charcoal meal transit increased remarkably in radish water extract administrated rats in comparison to loperamide administrated rats. Furthermore, the effects of various solvent extracts of radish on charcoal meal transit in Balb/C mice increased remarkably in radish water fraction administrated rats than in different solvent fraction administrated rats. Radish extraction was tested and isolated into 4 groups: below 3 kDa, 3-10 kDa, 10-300 kDa, and over 300 kDa. 3-10 kDa was the most effective on the intestinal function and bowel movement in the colons; also, 3-10 kDa fraction of radish water extraction was found to be the most effective charcoal meal transit. The dry weight and moisture content of feces remarkedly increased in the 3-10 kDa administrated rats group than in the loperamide only group. Experimental results revealed that 3-10 kDa fraction of radish water extractwas the most effective on the intestinal function and bowel movement was the crypt epithelial cells that contained more MUC2 in the 3-10 kDa administrated group than the loperamide only group: in addition, the thickness of mucus layer stained with alcian blue was significantly thicker in 3-10 kDa administrated rats than in loperamide administrated rats. Crypt epithelial cells secreted more MUC2 in the 3-10 kDa administrated group than the loperamide only group and the stained cells clearly showed the MUC2 with antibody Biogenex AM358.
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KEYWORD
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intestinal function, bowel movement, colon, radish water extracts, 3-10 kDa fraction, charcoal meal transit, loperamide-induced constipation, loperamide, MUC2
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