CJCU

Chem. J. Chinese Universities ›› 2004, Vol. 25 ›› Issue (1): 35.

• Articles • Previous Articles     Next Articles

Studies on the Microwave-assisted Extraction of Efficacious Ingredients in Salvia Mltiorrhiza Bunge

CHEN Lei1, YANG Yi1, ZHANG Xin-Xiang2, GUO Zhen-Ku3   

  1. 1. Faculty of Science, Beijing University of Chemical and Technology, Beijing 100029, China;
    2. College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China;
    3. Beijing Leiming Technology Co. Ltd., Beijing 100022, China
  • Received:2003-01-22 Online:2004-01-24 Published:2004-01-24

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Abstract: A microwave-assisted extraction procedure was developed for transhinone Ⅰ, transhinone ⅡA and cryptotranshinone in Chinese herbal medicine Salvia mltiorrhiza Bunge, using an obturated microwave-assisted extraction device with a pressure controlling part. The effects of the solvent consistence, solid/liquid ratio, the microwave radiation time and sample particles on the leached output was studied. Compared with Soxhlet extraction and ultrasonic extraction, microwave-assisted extraction is more efficient.

Key words: Microwave-assisted extraction(MAE), Salvia mltiorrhiza Bunge, Efficacious ingredient

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