超临界CO<sub>2</sub>萃取崖柏精油的研究

doi:10.13652/j.issn.1003-5788.2015.03.041

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超临界CO2萃取崖柏精油的研究
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                        10.13652/j.issn.1003-5788.2015.03.041
                    
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作者单位:(1.中南林业科技大学食品科学与工程学院，湖南 长沙 410004;2. 广东江门市藏寿天然艺术品有限公司，广东 江门 529000;3. 稻谷及副产物深加工国家工程实验室，湖南 长沙 410004;4. 国家轻工业香料化妆品洗涤用品质量监督检测广州站，广东 广州 510075)
作者简介:王亚琦（1990—），男，中南林业科技大学在读硕士研究生。E-mail: wyq0920@qq.com
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基金项目:国家林业局948项目（编号：2012-4-17）

Research on supercritical CO₂extraction of Thuja sutchuenensis essential oil

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(1. Central South University of Forestry and Technology, Changsha, Hunan 410004, China; 2. Guangdong Jiangmen City Cang Shou Natural Art Ware Co. Ltd., Jiangmen, Guangdong 529000, China; 3. National Engineering Laboratory for Rice and By-product Deep Processing, Changsha, Hunan 410004, China; 4. Guangzhou Station for Supervision and Inspection of National Light Industry Spices Cosmetics Cleaning Products Quality, Guangzhou, Guangdong 510075, China)

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摘要:

采用超临界CO₂萃取法提取崖柏精油，通过正交试验对提取工艺进行优化，用GC—MS定性定量分析检测崖柏精油成分。结果表明，影响崖柏精油提取率的主要因素顺序为萃取压力、萃取温度、动态萃取时间；优化后的工艺条件为：物料装料系数0.68，萃取压力20 MPa，萃取温度50 ℃，动态萃取时间60 min，静态萃取时间30 min，该条件下崖柏精油提取率为7.20%～7.31%。崖柏精油中共鉴定出28种化学成分，主要为萜烯类合化物，其中罗汉柏烯、α-雪松醇和花侧柏烯含量较高，其相对质量分数分别为45.50%，25.72%，7.11%。

Abstract:

Supercritical CO2 extraction method was applied to essential oil from Thuja sutchuenensis in the present study. The composition of the essential oil was identified by GC-MS. The extraction conditions were optimized by orthogonal tests. Results: The main factors influencing the extraction yield are extraction pressure, extraction temperature and extraction dynamic time. The Optimization of process: filling coefficient was 0.68, the extraction pressure and temperature were 20 MPa and 50 ℃, dynamic time was 60 min and static time was 30 min. The essential oil extraction rate were 7.20%～7.31% under this condition. 28 components were identified in the Thuja sutchuenensis, primarily terpene compounds containing Thujopsene，α-cedrol and cuparene, accounting for 45.5%, 25.41% and 7.11%, respectively.

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王亚琦,陈奕洪,黄卫文,等.超临界CO₂萃取崖柏精油的研究[J].食品与机械,2015,31(3):175-178.
WANGYaqi, CHENYihong, HUANGWeiwen, et al. Research on supercritical CO₂extraction of Thuja sutchuenensis essential oil[J]. Food & Machinery,2015,31(3):175-178.

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收稿日期:2014-09-15
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在线发布日期: 2023-03-17
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