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当前位置: 首页 > 文章 > 超临界CO_2萃取沙棘籽油及热敏性物质分析 食品科学 2012 (24) 97-100
Position: Home > Articles > Supercritical Carbon Dioxide Extraction of Seabuckthorn Seed Oil and Analysis of Thermosensitive Substances FOOD SCIENCE 2012 (24) 97-100

超临界CO_2萃取沙棘籽油及热敏性物质分析

作  者：
魏贞伟;邵弘;王俊国;王喜权;胡立志
单  位：
吉林工商学院生物工程分院;东北农业大学国家大豆工程技术研究中心
关键词：
超临界CO2;沙棘籽油;α-VE;胡萝卜素
摘  要：
对超临界CO2萃取沙棘籽油及热敏性物质进行分析研究。通过正交试验确定最佳工艺条件:萃取压力25MPa、萃取温度40℃、CO2流量18kg/h、萃取时间120min、分离压力8MPa,在此工艺条件下沙棘籽油出油率为52%。高效液相色谱法检测沙棘籽油中α-VE含量为2.6%,经超临界CO2萃取后热敏性物质α-VE损失3.7%,胡萝卜素含量为100850μg/100g。
译  名：
Supercritical Carbon Dioxide Extraction of Seabuckthorn Seed Oil and Analysis of Thermosensitive Substances
作  者：
WEI Zhen-wei1,SHAO Hong2,WANG Jun-guo1,WANG Xi-quan2,HU Li-zhi2,*(1.Branch of Biological Engineering,Jilin Business and Technology College,Changchun 130062,China;2.National Research Center of soybean Engineering and Technology,Northeast Agricultural University,Harbin 150030,China)
关键词：
supercritical carbon dioxide;seabuckthorn seed oil;α-VE;carotene
摘  要：
In the present study,the supercritical carbon dioxide extraction of seabuckthron seed oil was optimized using an orthogonal array design.Besides,thermosensitive substances in seabuckthron seed oil were analyzed.The optimum extraction conditions were determined as extraction at 40 ℃ at an extraction pressure of 25 MPa and a separation pressure of 8 MPa for 120 min with a CO2 flow rate of 18 kg/h.Under these conditions,the oil yield was 52%.The content of α-VE as a thermosensitive substance in seabuckthron seed oil was 2.6% as determined by HPLC and supercritical carbon dioxide extraction resulted in a 3.7% α-VE loss when compared with cold pressing.The content of carotene in seed oil obtained by supercritical carbon dioxide extraction was 100850 μg/100 g.

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