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[Study of microwave-assisted extraction on total flavones content in Hibiscus manihot L. flower]
1College of Biological Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China.)
Objective:
To study the extraction process of the total flavones content in Hibiscus manihot L. flower.
Methods:
it was investigated that effect of ethanol concentration, extracting time, power of microwave oven and Solid/Liquid ratio (g/mL) on total flavones content using the orthogonal design.
Results:
The optimum microwave-assisted extraction conditions included: ethanol concentration of 70%, extraction time of 30s, the power of microwave oven of 360w, solid/liquid ratio of 1 : 50 (g/ml) and granularity < or = 80 pore.
Conclusion:
There are broad possibilities for the extraction of the total flavones content from Hibiscus manihot L flower using Microwave-assisted technigue.
