Optimization of ultrasound-mixed solvent extraction technique of carotenes in the Marigold by response surface methodologyChinese Full Text
ZHANG Wei-hong;LI Peng-cheng;XU Su-mei;GAO Chao;MA Kong-jun;Academe of Chemistry and Chemical Engineering,Xinjiang University;
Abstract: The optimum conditions of ultrasound-mixed solvent extraction for carotenes in Marigold were determined by the single factor experiment and the response surface analysis. The effects of different proportion mixed solvents, ratio of material to liquid, ultrasonic power, ultrasonic time and temperature were explored. The results showed that the optimum extraction conditions were that acetic ether:petroleum ether=3:2（v/v） as the best extraction solvents, the liquid solid ratio of 20 to 1, ultrasonic power 450 W, extraction time 35 minutes and temperature 39.5 ℃. Under these conditions, the extraction rate for carotenes reached 26.78 mg/g. The proportion of carotenes ultrasound-mixed solvent extraction was 22.8% higher than that by the traditional process.
- DOI：
10.13684/j.cnki.spkj.2014.03.036
- Series：
- Subject：
- Classification Code：
R284.2
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