• Sai-Jun Wang, Zhen-Feng Wu, Ming Yang, Ya-Qi Wang, Fang Wang, Gang Ke, and Ju-Min Huang.
• Zhongguo Zhong Yao Za Zhi. 2014 Apr 1; 39 (8): 1360-7.

AbstractExtraction is the critical link during pharmaceutical process of traditional Chinese medicine (TCM), which is directly related to the quality of drugs. So the key to technology upgrading of pharmaceutical equipment in Chinese materia medica enterprise is the development of new extraction techniques, which concerns the modernization of TCM. In this paper, fundamentals, traits, and development status of new extraction technologies were firstly introduced, including ultrasound extraction, microwave extraction, super fluid extraction, semi-bionic extraction method, enzymatic treatment extraction, continuous countercurrent extraction, vacuum extraction. Then information of projects supported by the National Natural Science Foundation of China was analyzed in order to recognize the assistance and research results of new extraction techniques. The patents authorized by the State Intellectual Property Office were also summarized for the purpose of understanding the achievement transformation. The information about extraction equipments was collected and screened to acquire the characteristics and market situation. The results showed that there are still problems about new extraction technologies, such as weak basic study, hard transformation of achievements, and the disconnection between research study and practical application. It is necessary to discuss the approaches and methods for accelerating the transformation of fundamental research, which will provide references for the long-term development of new extraction techniques of TCM.

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