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[Study on extraction process for the icariin of hugu capsule with ultrasonic technology].

OBJECTIVE
To study the best ultrasonic technology of the extraction of icariin of Hugu capsule.


METHODS
Used the content of icariin as index, orthogonal experiment was carried out to investigate 4 influential factors as follows: the ultrasonic power (A), the ultrasonic frequency (B), the material fluid ratio (C), the time (D).


RESULTS
The best extraction conditions were as follows: the ultrasonic power was 120 W, the ultrasonic frequency was 28 KHz, solid-liquid ratio of 1 : 35, the extraction time was 10 min.


CONCLUSION
Optimization of extracting process is simple, quick and low energy consumption. Under these conditions, the extraction of icariin is 1.8 times higher than that of the traditional extraction method.