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Rhizoma Paridis, the root of Paris polyphylla var. yunnanensis (Trilliaceae), is a Chinese traditional medicine, which resources become less and less. However, the aerial parts of this herb, which can regenerate every year, were discarded. In order to expand the resources, detailed chemical investigation on the stems and leaves of Paris polyphylla var. yunnanensis led to isolation of one sapogenin...
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