Ultrasound-Enhanced Supercritical CO2 Extraction of Masson Pine Wood Essential Oil

被引:0
|
作者
Yu, Xian-Chun [1 ]
Sun, De-Lin [2 ]
Li, Xiang-Su [3 ]
机构
[1] Yue Yang Vocat & Tech Coll, Dept Basic Med, Yueyang 414000, Hunan, Peoples R China
[2] Cent S Univ Forestry & Technol, Coll Mat & Engn, Changsha 410001, Hunan, Peoples R China
[3] Univ S China, Acad Adm, Hengyang 421002, Hunan, Peoples R China
关键词
Masson pine wood essential oil; Supercritical CO2 extraction; Ultrasound-enhanced; FLUID EXTRACTION;
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Ultrasound-enhanced supercritical CO2 was used to extract the essential oil of masson pine. The extraction technology was optimized through orthogonal experiments. The results showed that a good outcome can be achieved with an extraction pressure of 18 MPa, a temperature of 60 degrees C, a time of 90 min, a CO2 flow rate of 12 kg h(-1), an ultrasonic power of 250 W and an ultrasonic frequency of 22 KHz. Using these parameters, the average yield of essential oil was 88.12 %. GC-MS analysis showed that the ingredient with the highest content of 44.42% was longifolene in the essential oil of masson pine wood, followed by a-pinene and caryophyllene, with contents of 28.17 and 6.03 %, respectively.
引用
收藏
页码:409 / 412
页数:4
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