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Updated: May 16, 2026

Analysis of Raw and Processed Cyperi Rhizoma Samples Using Liquid Chromatography-Tandem Mass Spectrometry in Rats with Primary Dysmenorrhea
Published on: December 23, 2022
[New method of processing on Rhei Radix Et Rhizoma and study on quality control of its processing products]
Zhi-sen Wang1, Gui-ru Han, Fei Gao
1Shijiazhuang Engineering Technology Research Center of Tibetan Medicine Components, Shijiazhuang 050035, China.
Objective:
To establish a simple, rapid and usable new method of processing on Rhei Radix Et Rhizoma and the quality control standard on its processing products.
Methods:
The studies of processing on Rhei Radix Et Rhizoma were proceed using yellow rice wine as solvent, through spray, soften and dry at 60-70 degrees C. The contents of total and uncombined chrysophanol and emodin in multi-Rhei Radix Et Rhizoma and its processing products were determined by HPLC.
Results:
The new method of processing on Rhei Radix Et Rhizoma was simple, rapid and usable. The contents of uncombined chrysophanol and emodin in its processing products was 80%.
Conclusion:
This study provides a new method of processing on Rhei Radix Et Rhizoma and quality control standard on its processing products.
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