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2010•Journal of Henan University of TechnologyRequires access

OPTIMIZATION OF MICROWAVE-ASSISTED EXTRACTION OF TOTAL FLAVONES FROM PEANUT HULL BY RESPONSE SURFACE ANALYSIS

Lei Wan-xue

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Abstract

We carried out the extraction of total flavones from peanut hull by microwave-assisted extraction,and studied the optimal extraction conditions,such as microwave power,extraction time and liquid-to-solid ratio,by response surface analysis(RSA) based on single factor tests.The results show that the optimal extraction conditions are as follows in the presence of 80% ethanol as solvent,microwave power 510 W,extraction time 12 minutes and liquid-to-solid ratio 32∶1 mL/g.Under the optimal conditions,the yield of total flavones from peanut hull reached 2.385 mg/g.

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What this paper is about

We carried out the extraction of total flavones from peanut hull by microwave-assisted extraction,and studied the optimal extraction conditions,such as microwave power,extraction time and liquid-to-solid ratio,by response surface analysis(RSA) based on single factor tests.The results show that the optimal extraction conditions are as follows in the presence of 80% ethanol as solvent,microwave power 510 W,extraction time 12 minutes and liquid-to-solid ratio 32∶1 mL/g.Under the optimal conditions,the yield of total flavones from peanut hull reached 2.385 mg/g.

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Available abstract

We carried out the extraction of total flavones from peanut hull by microwave-assisted extraction,and studied the optimal extraction conditions,such as microwave power,extraction time and liquid-to-solid ratio,by response surface analysis(RSA) based on single factor tests.The results show that the optimal extraction conditions are as follows in the presence of 80% ethanol as solvent,microwave power 510 W,extraction time 12 minutes and liquid-to-solid ratio 32∶1 mL/g.Under the optimal conditions,the yield of total flavones from peanut hull reached 2.385 mg/g.

Key concepts: Flavones, Extraction (chemistry), Microwave power, Chromatography, Microwave, Yield (engineering), Response surface methodology, Hull

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