Journal of Jishou University(Natural Sciences Edition)

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Optimization of Ultrasonic-assisted Extraction of Yellow Pigment from Peel of Trichosanthes kirilowii Maxim

QUAN Ruolin,HE Haibo,ZHANG Shan,XIONG Lizhi,ZHU Jieying   

  1. ( 1.College of Biological Resource and Environment Science,Jishou University,Jishou 416000,Hunan China;2.Key Laboratory of Plant Resources Conservation and Utilization (Jishou University),College of Hunan Province,Jishou 416000,Hunan China)
  • Online:2017-11-25 Published:2017-12-29


Yellow pigment were extracted from peel of Trichosathes kirilowii Maxim by ultrasonic-assisted method.On the basis of the single factor,the extraction process was optimized by response surface methodology.The optimal extraction conditions were obtained as follows:ethanol volume fraction about 40%,material-to-liquid ratio of 1:30 (g:mL),ultrasonic power of 175W,ultrasonic-assisted extracting time about 39 min and extraction temperature at 60℃.Under the conditions,the extraction yield of yellow pigment reaches 0.323 by the optimal ultrasonic-assisted extraction technology from peel of Trichosathes kirilowii Maxim.

Key words: Trichosathes kirilowii Maxim, yellow pigment, ultrasound-assisted, extraction, optimization

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