These tools will no longer be maintained as of December 31, 2024. Archived website can be found here. PubMed4Hh GitHub repository can be found here. Contact NLM Customer Service if you have questions.


Pubmed for Handhelds

PUBMED FOR HANDHELDS

Search MEDLINE/PubMed

  • Title: [Quality standards for qingwei huanglian pills].
    Author: Han GR, Wang YD, Feng L, Liu ZQ, Zhang HB.
    Journal: Zhongguo Zhong Yao Za Zhi; 1993 Feb; 18(2):93-5, 126. PubMed ID: 8323707.
    Abstract:
    In the paper systematic studies on quality standards for Qingwei Huanglian Pills are reported, along with the TLC identification of Gardenia jasminoides, Scutellaria baicalensis and Anemarrhena asphodeloides and the quantitative determination of berberine in Coptis chinensis and Phellodendron chinese by TLC densitometric method. To simplify the operation, the same solvent was used for both the identification and determination. The quantitative method is simple, sensitive, reproducible and accurate. The recovery of berberine is 99.48%. The coefficient of variation is 1.42%.
    [Abstract] [Full Text] [Related] [New Search]