| 摘要 |
<p num="1"><br/><br/><br/>An extractive of Piper laetispicum C.DC., its process and its uses for <br/>preparing a medicine, health care product and food additive for treating and <br/>preventing diseases correlated with monoamine transmitter ,such as 5-HTA <br/>noradrenalin dopamine and so on. The extractive is processed through <br/>impregnating or percolating at common temperature or '||to_char('&')||'lt;=70~C or using <br/>supercritical fluid extraction method, to obtain higher alkaloid content and <br/>higher biological activity, compared to using reflux method of prior art.<br/>
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