2. Academic Validation
  3. Seeing the light: Shifting from wild rhizomes to extraction of active ingredients from above-ground parts of Paris polyphylla var. yunnanensis

Seeing the light: Shifting from wild rhizomes to extraction of active ingredients from above-ground parts of Paris polyphylla var. yunnanensis

  • J Ethnopharmacol. 2018 Oct 5:224:134-139. doi: 10.1016/j.jep.2018.05.028.
Xu-Jie Qin 1,  Wei Ni 1,  Chang-Xiang Chen 1,  Hai-Yang Liu 2
Affiliations

Affiliations

  • 1 State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming 650201, People's Republic of China.
  • 2 State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming 650201, People's Republic of China. Electronic address: haiyangliu@mail.kib.ac.cn.
PMID: 29792919 DOI: 10.1016/j.jep.2018.05.028
Abstract

Ethnopharmacological relevance: The dried rhizomes of Paris polyphylla var. yunnanensis are widely used in traditional Chinese medicine (TCM) as hemostatic, antitumor, and antimicrobial agents. More than 70 Chinese patent medicines are based on P. polyphylla var. yunnanensis rhizomes. Steroidal saponins are considered as the main active ingredients of these rhizomes. However, wild populations of P. polyphylla var. yunnanensis are greatly threatened due to the illegal wild harvest and over-utilization of the rhizomes. In contrast, the renewable above-ground parts (leaves and stems) of P. polyphylla var. yunnanensis are usually thrown away as waste material, whether from wild or cultivated material.

Aim of the study: The aim of this study was to use HPLC analyses of chemical constituents and bioactive assays to assess whether the above-ground parts could be an alternative source of active ingredients to the rhizomes of P. polyphylla var. yunnanensis.

Materials and methods: The saponin components of the rhizomes and above-ground parts of P. polyphylla var. yunnanensis were analyzed by HPLC-UV. The total saponins extracted from the rhizomes and above-ground parts of P. polyphylla var. yunnanensis were evaluated for their hemostatic, cytotoxic, and antimicrobial activities by using the rabbit blood in vitro based on turbidimetric method, MTT assay method, and a dilution antimicrobial susceptibility test method, respectively.

Results: Four bioactive spirostanol saponins (paris saponins I, II, VI, and VII) were detected in the total saponins from the rhizomes and above-ground parts of P. polyphylla var. yunnanensis, which indicated they should have similar pharmacological properties. The bioactive assays revealed that both the parts of P. polyphylla var. yunnanensis exhibited the same hemostatic, cytotoxic, and antimicrobial effects.

Conclusion: Our results revealed that based on saponin content in the above-ground parts of P. polyphylla var. yunnanensis and the requirements stipulated in 2015 of Chinese Pharmacopoeia, the above-ground parts (especially its leaves) can be an alternative and more sustainable source of active ingredients compared to the rhizomes.

Keywords

Paris polyphylla var. yunnanensis; Rhizoma Paridis; Steroidal saponins; Sustainable utilization.

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