Rheum palmatum, one of the source plants of the traditional Chinese medicine rhubarb, is anendemic and endangered species. To our knowledge, this is the first report on the chromosome number and karyotype of this species. Sectioning combined with micrography was used to analyze the karyotype. The following results were obtained: R. palmatum had a stable chromosome number 2n = 22; the basic numb...

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view of scoring methods, their reliability and applicability. Baillieres Clin Rheumatol 1996;10:435–53. 2. Kuper HH, van Leeuwen MA, van Riel PL, Prevoo ML, Houtman PM, Lolkema WF, et al. Radiographic damage in large joints in early rheumatoid arthritis: relationship with radiographic damage in hands and feet, disease activity, and physical disability. Br J Rheumatol 1997;36:855–60. 3. Cranney ...

the effects of ethanolic and aqueous extracts of rheum ribs l. (rr) of the family polygonaceae was studied on serum cholesterol concentration in rabbits. to induce hypercholesterolemia, 0.5 g/kg/day of pure cholesterol powder was given orally to each rabbit for two weeks then cholesterol was halved and each group of animals was treated with a different regimen for another two weeks. both the et...

widely known as a purgative and anti-inflammatory agent. In Chinese Pharmacopoeia, the official Dahuang is prescribed as the dried rhizome and root of Rheum palmatum L., R. tanguticum MAXIM. ex BALF., and R. officinale BAILLON of the family Polygonaceae. On the other hand, the Japanese Pharmacopoeia prescribes not only the above three species but also R. coreanum NAKAI, and their interspecific ...