Chinese rhubarb is a traditional chinese medicinal materials that used for the export in the Qinghai province and Chinese rhubarb of Xining is well-knows in the market at home and abroad.
大黄是青海省传统的出口名药，西宁大黄在国内外药材市场上久负盛名。
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CONCLUSION: in order to ensure the medical value and the quality of rhubarbmedicinal material, different parts of which should be differentiated in the quality control.
结论：为更好地保证大黄药材的药用价值和质量，应区别不同部位对其进行质量控制。
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Rhubarb is a well-known traditional medicinal material used in China as a cathartic and a promoter of gastric health.