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.