为澄清猴枣基原，对猴枣相关文献记载、实地调研、实验研究结果进行了总结和分析，结果显示，源自印度的猴枣的基原应为山羊Capra hircus的胃结石。建议将猴枣进口药材标准的名称改为“羊肠枣”。同时，废止猴枣地方药材标准，并对地方中药饮片炮制规范及相关中成药的质量标准、说明书等进行修订。此外，据文献考证，首次较详细描述猴枣来源及性状的可能是1920年史介生在绍兴医药学报的论述。

In order to clarify the origin of Houzao, this paper summarizes and analyzes the related literatures, on-site investigation and experimental research results of Houzao. The results showed that Houzao coming from India is the gastric bezoars of Capra hircus. It is suggested that the name of the standard of imported Houzao should be changed to "Yangchangzao". At the same time, the local standards of Houzao should be abolished, and the standards of local processing procedures and the specifications of related Chinese patent medicines should be revised. In addition, according to literature research, the first detailed description of the origin and characters of Houzao may be Jie-sheng Shi's discussion in Shaoxing Medical Journal in 1920.

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