Withania somnifera (L.) Dunal. is a plant with several important medicinal properties that have long been used in traditional therapy to treat some diseases.

中文翻译：

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制备Withaferin通过超临界流体溶液膨胀从Withania somnifera提取的纳米颗粒。

Withania somnifera（L.）是一种具有多种重要医学特性的植物，长期以来一直在传统疗法中用于治疗某些疾病。