| 超临界CO2萃取胡麻油及其自氧化性质研究 |
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| 引用本文： | 张培宜,郝利平.超临界CO2萃取胡麻油及其自氧化性质研究[J].食品科技,2011(11):152-156. |
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| 作者姓名： | 张培宜 郝利平 |
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| 作者单位： | 山西农业大学食品与科学工程学院; |
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| 摘 要： | 研究旨在优化超临界CO2技术提取胡麻油的工艺条件并研究贮藏温度时间对其品质的影响。以胡麻籽为试验原料,在单因素试验的基础上,采用响应曲面分析法建立了超临界CO2萃取胡麻油出油率的二次多元回归方程,探讨了压力、温度、萃取时间等关键因素对出油率的作用规律,而后采用Schaal烘箱法,研究了温度时间对所提取胡麻油的影响。结果表明:在条件萃取温度46.3℃、萃取压力31.5 Pa、萃取时间80 min下,胡麻油的出油率为41.24%;温度和时间对所提取胡麻油的氧化有显著的影响,且温度的影响更加明显。
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| 关 键 词： | 胡麻油 超临界CO2萃取 响应面分析法 自氧化 |
Optimization of supercritical carbon dioxide extraction of flaxseed oil and research of the aotooxidation ability |
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| ZHANG Pei-yi,HAO Li-ping.Optimization of supercritical carbon dioxide extraction of flaxseed oil and research of the aotooxidation ability[J].Food Science and Technology,2011(11):152-156. |
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| Authors: | ZHANG Pei-yi HAO Li-ping |
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| Affiliation: | ZHANG Pei-yi,HAO Li-ping(Shanxi Agricultural University,College of Food Science and Engineering,Taigu 030801) |
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| Abstract: | The purpose of this research is to optimize the processing conditions of supercritical carbon dioxide extraction of flaxseed oil and discuss the impact of the temperature and time to its storage.Response surface methodology(RSM) was used for establishing the model of a second order quadratic equation for the extraction rate of flaxseed oil by supercritical CO2 extraction form flaxseed as the raw material.The effects of the key factors such as extraction temperature,pressure and time on the extraction were i... |
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| Keywords: | flaxseed oil supercritical CO2 extraction response surface methodology aoto oxidation |
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