以下为句子列表:
英文: Dried ground leaves of Psidium guajava L were extracted with 80% aqueous ethyl alcohol, and the effects of this extract on bacteria and small intestine contraction were determined in vitro.
中文: 摘要用80%酒精提取番石榴叶中的有效成分,观察提取物对细菌和离体小肠的作用。
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