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KMID : 0613820140240030260
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Journal of Life Science
2014 Volume.24 No. 3 p.260 ~ p.265
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Prokinetic Activity of Ethanolic Extracts from Dried Citrus unshiu Peels in Mice
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Lee Hyun-Tai
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Abstract
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Dried Citrus unshiu peels (Aurantii Nobilis Pericarpium; ANP) are used as a traditional folk medicine for the treatment of gastrointestinal (GI) motility disorders in East Asia, including Korea. In the present study, an ethanolic extract of ANP (ANP-E) exhibited no significant toxicity in mice, even at an oral dose of 5 g/kg. The effects of ANP-E on GI motor function were investigated by measuring the intestinal transit rate (ITR) of Evans blue in normal mice and mice with experimental GI motility dysfunction (i.e., peritoneal irritation by acetic acid; PIA). In normal mice, ANP-E significantly increased the ITR in a dose-dependent manner. The ITR in the PIA mice was significantly retarded compared to that in the normal mice. However, ANP-E significantly inhibited this retardation in a dose-dependent manner. Furthermore, in all the models, the potency of ANP-E appeared to be same or higher than that of cisapride, which was used predominantly for the treatment of various GI motility disorders in humans in the 1900s but was removed from the market in 2000 due to fatal side effects. The results suggest that ANP-E has potential as a new prokinetic agent that could be used as a substitute for cisapride.
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KEYWORD
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Aurantii Nobilis Pericarpium, cisapride, gastrointestinal motility, intestinal transit, prokinetic agent
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