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  • Title: [Study on extraction technology for extract and flavonoids in Chrysanthemum morifolium by orthogonal design].
    Author: Yin H, Hu YZ, Yang XJ, Tian XL, Wang Z.
    Journal: Zhongguo Zhong Yao Za Zhi; 2004 Aug; 29(8):737-9. PubMed ID: 15506280.
    Abstract:
    OBJECTIVE: To ascertain extraction technology condition for extract and flavonoids from Chrysanthum morifoliwn. METHOD: The optimizing ultrasonic extraction condition on the basis of extractive yield and flavonoids were determined by orthogonal design. RESULT: The order of factors which affected the flavonoid extraction was extraction times > ethanol concentration > ultrasonic time > solvent quantity. CONCLUSION: The optimum ultrasonic extractions are A2B3C3D3. Compared with traditional extraction, ultraction method is timesaving, simple to operate, stable and need not be heated.
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