J4 ›› 2012, Vol. 11 ›› Issue (9): 16-21.

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Patent Study of Miao Nationality Drug Cynanchum wilfordii (Maxim.) Hemsl and Bai/Yi

This paper analytically recorded Chinese patents during last two decades on the medicinal applications of Cynanchum
wilfordii (Maxim.) Hemsl as a Miao nationality herbal drug and Geranium strictipes R. Knuth as that of Bai/Yi nationalities. The two herbs from different families possess the same popular name of Geshanxiao. Their origins, varieties, nomenclature, folk conventional usage, major functions, and their compatibility principles are compared and summarized in order to furnish more information and suggestions on relative on-going R&D projects of these two herbal drugs.   

  1. 1. College of Nursing, Dali University, Dali, Yunnan 671000, China; 2. The Key Laboratory of Medicinal
    Insects and Spiders Resources for Development & Utilization, Dali University, Dali, Yunnan 671000, China;
    3. The 4th People's Hospital of Yunnan Province, Dali, Yunnan 671000, China
  • Received:2012-08-29 Online:2012-09-15 Published:2012-09-15

Abstract:

This paper analytically recorded Chinese patents during last two decades on the medicinal applications of Cynanchum
wilfordii (Maxim.) Hemsl as a Miao nationality herbal drug and Geranium strictipes R. Knuth as that of Bai/Yi nationalities. The two herbs from different families possess the same popular name of Geshanxiao. Their origins, varieties, nomenclature, folk conventional usage, major functions, and their compatibility principles are compared and summarized in order to furnish more information and suggestions on relative on-going R&D projects of these two herbal drugs.

Key words: patent study, Miao nationality drug, Bai/Yi nationality drug, Cynanchum wilfordii, Geranium strictipes

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