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2015•Journal of Foshan UniversityRequires access

Study on Optimized Extraction of Flavonoids from Borage

Ren Ji-ju

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Abstract

Four factors were studied by orthogonal experiment, with the extraction yield of flavonoids as the investigation index. The results showed that the influencing order of each factor on the extraction of flavonoids was as follows: extraction temperatureethanol concentrationextraction timesolid- liquid ratio. The best ultrasonic extraction parameters were as follows: ethanol concentration of 68%, extraction temperature of 83℃,extraction time of 110 min, solid- liquid ratio of 1∶55. Under this condition, the extraction yield of flavonoids could reach 24.366 mg/g.

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What this paper is about

Four factors were studied by orthogonal experiment, with the extraction yield of flavonoids as the investigation index. The results showed that the influencing order of each factor on the extraction of flavonoids was as follows: extraction temperatureethanol concentrationextraction timesolid- liquid ratio. The best ultrasonic extraction parameters were as follows: ethanol concentration of 68%, extraction temperature of 83℃,extraction time of 110 min, solid- liquid ratio of 1∶55. Under this condition, the extraction yield of flavonoids could reach 24.366 mg/g.

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Available abstract

Four factors were studied by orthogonal experiment, with the extraction yield of flavonoids as the investigation index. The results showed that the influencing order of each factor on the extraction of flavonoids was as follows: extraction temperatureethanol concentrationextraction timesolid- liquid ratio. The best ultrasonic extraction parameters were as follows: ethanol concentration of 68%, extraction temperature of 83℃,extraction time of 110 min, solid- liquid ratio of 1∶55. Under this condition, the extraction yield of flavonoids could reach 24.366 mg/g.

Key concepts: Extraction (chemistry), Yield (engineering), Chromatography, Chemistry, Materials science, Metallurgy

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