Response Surface Optimization of Nigella glandulifera Freyn Seed Oil Yield by Supercritical Carbon Dioxide Extraction

Autor: Jun-ping ZHANG, Xi-lin HOU, Tian YU, Ying LI, Hai-yan DONG
Jazyk: angličtina
Rok vydání: 2012
Předmět:
Zdroj: Journal of Integrative Agriculture, Vol 11, Iss 1, Pp 151-158 (2012)
Druh dokumentu: article
ISSN: 2095-3119
1671-2927
DOI: 10.1016/S1671-2927(12)60793-7
Popis: Supercritical carbon dioxide (SC-CO2) extraction was employed to extract oil from Nigella glandulifera Freyn seed in this study. Response surface methodology (RSM) was applied to evaluate the effects of the process parameters (pressure, temperature, and CO2 flow rate) on oil yield of N. glandulifera seed. A Box-Behnken design was used to optimize the extraction parameters. The analysis of variance indicated that the linear coefficients of pressure and CO2 flow rate, the quadratic term coefficients of pressure and temperature and the interactions between pressure and temperature, as well as temperature and CO2 flow rate, had significant effects on the oil yield (P
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