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Optimization of extraction of sweet potato leaves flavonoids using response surface method

Wang Hong-yang

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Abstract

Using local sweet potato leaves as raw material,and using ultrasonic assisted extraction technology to study the influence of ethanol concentration,extraction temperature,ultrasonic power,solid to liquid ratio to extraction rate of flavonoids and analyzed by response surface method.The results showed that the optimum extraction conditions were ethanol concentration of 50%,extraction temperature of 60℃,ratio of material to liquid 1:25(g/mL) and ultrasonic power 353W.Under the optimum extraction conditions,the extraction rate of the flavonids could reach 9.74%.

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What this paper is about

Using local sweet potato leaves as raw material,and using ultrasonic assisted extraction technology to study the influence of ethanol concentration,extraction temperature,ultrasonic power,solid to liquid ratio to extraction rate of flavonoids and analyzed by response surface method.The results showed that the optimum extraction conditions were ethanol concentration of 50%,extraction temperature of 60℃,ratio of material to liquid 1:25(g/mL) and ultrasonic power 353W.Under the optimum extraction conditions,the extraction rate of the flavonids could reach 9.74%.

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Available abstract

Using local sweet potato leaves as raw material,and using ultrasonic assisted extraction technology to study the influence of ethanol concentration,extraction temperature,ultrasonic power,solid to liquid ratio to extraction rate of flavonoids and analyzed by response surface method.The results showed that the optimum extraction conditions were ethanol concentration of 50%,extraction temperature of 60℃,ratio of material to liquid 1:25(g/mL) and ultrasonic power 353W.Under the optimum extraction conditions,the extraction rate of the flavonids could reach 9.74%.

Key concepts: Extraction (chemistry), Response surface methodology, Raw material, Chromatography, Ultrasonic sensor, Chemistry, Ethanol, Materials science

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