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  • Title: [Experimental research on application of hydrodynamic acoustic generator in extraction of Chinese medicine].
    Author: Di W, Guan-huai, Zou HY, Yu P, Xu Y, Zhang HY.
    Journal: Zhongguo Zhong Yao Za Zhi; 2008 Jul; 33(14):1687-90. PubMed ID: 18841766.
    Abstract:
    OBJECTIVE: To study the hydrodynamic ultrasonic energy extraction technique for Chinese Medicine. METHOD: The content of baicalin in Radix Scutellariae extracts and total flavones in Folium Ginkgo extracts were as indexes respectively and measured by high performance liquid chromatography. We investigated the hydrodynamic ultrasonic energy extraction process for the extraction of Radix Scutellariae and Folium Ginkgo respectively, and compared with refluxing method, decoction and ultrasonic extraction. With the content of the extracts as indexes, Compound prescriptions of Traditional Chinese Medicine were extracted by the hydrodynamic ultrasonic extraction and decoction extraction. RESULT: The content of baicalin of hydrodynamic ultrasonic energy extracts was significant higher than other extracts. The content of Ginkgo leaves flavones in hydrodynamic ultrasonic energy extracts and ultrasonic extracts had no significant difference. Compared with decocting extracts, hydrodynamic ultrasonic energy extracts of TCM compound prescriptions content was higher greatly. CONCLUSION: The hydrodynamic ultrasonic energy extraction process showed higher extraction rate of baicalin of radix scutellariae than traditional extraction methods. And it was beneficial to the dissolution of water-soluble constituents in compound prescriptions of TCM. The content of Ginkgo leaves flavones in the hydrodynamic ultrasonic energy extracts and ultrasonic extracts had no obvious difference.
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