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Download or read book Quality Control Methods for Medicinal Plant Materials written by World Health Organization and published by World Health Organization. This book was released on 1998 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of test procedures for assessing the identity, purity, and content of medicinal plant materials, including determination of pesticide residues, arsenic and heavy metals. Intended to assist national laboratories engaged in drug quality control, the manual responds to the growing use of medicinal plants, the special quality problems they pose, and the corresponding need for international guidance on reliable methods for quality control. Recommended procedures - whether involving visual inspection or the use of thin-layer chromatography for the qualitative determination of impurities - should also prove useful to the pharmaceutical industry and pharmacists working with these materials.