NWIPB OpenIR
Optimisation of red pepper seed oil extraction using supercritical CO2 and analysis of the composition by reversed-phase HPLC-FLD-MS/MS
Li, Guoliang ; Song, Cuihua ; You, Jinmao ; Sun, Zhiwei ; Xia, Lian ; Suo, Yourui
2011
发表期刊INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY
摘要P>Oil extractions from red pepper seed were performed by supercritical CO2. Three-level Box-Behnken factorial design (BBD) from response surface methodology (RSM) was applied to optimise the main extraction conditions including pressure, temperature and concentration of modifier (ethanol). The optimum conditions were as follows: extraction pressure, 27.17 MPa; extraction temperature, 47.67 degrees C; and the added concentration of modifier, 8.11 vol.%. Under the optimum conditions, the oil yield of 18.4% was obtained, which was well matched with the predicted yield. A simple, stable and sensitive method for the simultaneous determination of saturated and unsaturated free fatty acids in extracted oils using 2-(11H-benzo[a]carbazol-11-yl)-ethyl-4-methylbenzenesulfonate (BCETS) as labelling reagent with fluorescence detection has been developed. All of free fatty acids (FFA) were found to give a linear response with correlation coefficients of > 0.9991. The detection limits at a signal-to-noise ratio (S/N) of three are in the range of 19.06-41.19 fmol. This method should have powerful potential for the trace analysis of short- and long-chain FFA from edible oils, foodstuff and other complex samples.
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/17958
专题中国科学院西北高原生物研究所
推荐引用方式
GB/T 7714
Li, Guoliang,Song, Cuihua,You, Jinmao,et al. Optimisation of red pepper seed oil extraction using supercritical CO2 and analysis of the composition by reversed-phase HPLC-FLD-MS/MS[J]. INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY,2011.
APA Li, Guoliang,Song, Cuihua,You, Jinmao,Sun, Zhiwei,Xia, Lian,&Suo, Yourui.(2011).Optimisation of red pepper seed oil extraction using supercritical CO2 and analysis of the composition by reversed-phase HPLC-FLD-MS/MS.INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY.
MLA Li, Guoliang,et al."Optimisation of red pepper seed oil extraction using supercritical CO2 and analysis of the composition by reversed-phase HPLC-FLD-MS/MS".INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY (2011).
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