28197
MATERIALS AND METHODS : The aqueous extract was tested at three different dose levels ( 100 , 200 and 400mg / kg , p . o . in rats and the corresponding doses in mice ) against castor - oil induced diarrhoea model and castor oil induced enteropooling assay in rats ; and charcoal meal test / intestinal motility test in mice .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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