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作者研究了萝卜Raphanus sativus Linn种子的水提取物是否具有实验动物种类差别的促胃肠运动作用。将萝卜种子用蒸馏水于20℃浸泡3d,过滤,该过程重复2次,合并2次滤液,浓缩,得提取物Rs.Cr。再将部分Rs.Cr溶于蒸馏水,用石油溶剂相继分配3次,合并石油层,真空浓缩得Rs.Pt;剩余的提
The authors studied whether the water extract of Raphanus sativus Linn seeds had the effect of promoting gastrointestinal motility by different animal species. The radish seeds were soaked in distilled water at 20° C. for 3 days and filtered. This process was repeated twice. The filtrates were combined twice and concentrated to obtain the extract Rs.Cr. Then some of the Rs.Cr was dissolved in distilled water and distributed three times successively with petroleum solvent. The petroleum layer was combined and concentrated in vacuo to obtain Rs.Pt;