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YUE Long, QIN Yan, WANG Zhi-xiang. Optimization of ultrasound-assisted extraction capsicum red pigment from Capsicum frutescens L.via response surface methodology[J]. Journal of China Pharmaceutical University, 2011, 42(6): 573-577.
Citation: YUE Long, QIN Yan, WANG Zhi-xiang. Optimization of ultrasound-assisted extraction capsicum red pigment from Capsicum frutescens L.via response surface methodology[J]. Journal of China Pharmaceutical University, 2011, 42(6): 573-577.
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Optimization of ultrasound-assisted extraction capsicum red pigment from Capsicum frutescens L.via response surface methodology

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  • Ultrasound extraction of capsicum red pigment from Capsicum frutescens L.was carried out by Box-Benhnken center-united experiment design to evaluate the color value of capsicum red pigment in this paper.By Microsoft SAS the optimal conditions of ultrasound power (441W),extraction temperature (41°C),extraction time (23min),the ratio of solid to liquid (9.4mL/g),concentration of ethanol (97%) and particle size (40mesh) were obtained.The calculated value of color value of capsicum red pigment was 83.27,which was not much lower than the experimental datum of 86.7.So the optimal condition obtained by response surface metho-dology can be used in the process of extraction of capsicum red pigment with practical value.
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