它资源丰富，既可免费使用，又无需运输，对环境无任何污染。
It is rich in resources, both free, and no transport, no pollution to the environment.
该方法采用全物理过程，无任何污染，是提取马齿苋黄酮类物质的有效途径。
This method is purely physical process and have not any pollution. It is an ideal way to extract the flavanone of Purslane.
结论该方法采用全物理过程，无任何污染，是提取枇杷叶黄酮类物质的有效途径。
ConclusionThis text provides the extraction and punfication methods to get the outcome and the purity of the flavanone is high.
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