| 超临界CO2萃取林纳燕麦麸油的技术研究 |
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| 引用本文： | 屠兰英,黄梓平,赵启文,王鹏.超临界CO2萃取林纳燕麦麸油的技术研究[J].安徽农业科学,2010,38(16):8669-8670. |
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| 作者姓名： | 屠兰英 黄梓平 赵启文 王鹏 |
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| 作者单位： | 青海大学化工学院,青海西宁,810016 |
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| 基金项目： | 青海省科技厅重点科技攻关项目 |
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| 摘 要： | 目的]为进一步开发高原燕麦资源提供理论依据。方法]采用超临界CO2萃取技术从林纳燕麦麸皮中萃取燕麦麸油,并研究萃取压力、萃取温度、萃取时间对麸油萃取率的影响;通过正交试验确定燕麦麸油的最佳萃取条件。结果]各因素对林纳燕麦麸油萃取率的影响依次为：萃取压力〉萃取时间〉萃取温度;燕麦麸油的最佳萃取工艺为：萃取压力25 MPa,萃取温度40℃,萃取时间2.5 h,此条件下燕麦麸油的萃取率为7.772%;以乙醇为夹带剂可提高燕麦麸油的萃取率0.351%;红外光谱分析结果表明,燕麦麸油中含有亚油酸。结论]超临界CO2萃取燕麦麸油具有高效、无污染、操作简单等优点。
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| 关 键 词： | 燕麦麸油 超临界CO 萃取 |
Study on Extraction Techniques of Lin-na Oat Bran Oil by Supercritical CO2 |
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| TU Lan-ying et al.Study on Extraction Techniques of Lin-na Oat Bran Oil by Supercritical CO2[J].Journal of Anhui Agricultural Sciences,2010,38(16):8669-8670. |
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| Authors: | TU Lan-ying |
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| Institution: | TU Lan-ying et al(Chemical Engineering Institute of Qinghai University,Xining,Qinghai 810016) |
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| Abstract: | Objective] The study was to provide the theoretical basis for further development of plateau oats resources.Method] The oat bran oil was extracted from Lin-na oat bran by supercritical CO2,and the effects of extraction pressure,extraction temperature and extraction time on extraction rate of oat bran oil were studied.The optimum extraction condition of oat bran oil was determined through orthogonal test.Results] The effects of factors on extraction rate of Lin-na oat bran oil in order was extraction pres... |
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| Keywords: | Oat bran oil Supercritical CO2 Extraction |
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