Supercritical CO2 Extraction of Essential Oils from Chamaecyparis obtusa

被引：0
|
作者：
Jin, Yinzhe [1 ,2 ]
Han, Dandan [1 ]
Tian, Minglei [1 ]
Row, Kyung-Ho [1 ]
机构：
[1] Inha Univ, Dept Chem Engn, Inchon 402751, South Korea
[2] Shanghai Ocean Univ, Coll Food Sci, Shanghai 201306, Peoples R China
来源：
NATURAL PRODUCT COMMUNICATIONS | 2010年 / 5卷 / 03期
关键词：
Chamaecyparis obtusa; Cupressaceae; essential oils; supercritical CO2; hydrodistillation; GC-MS; CARBON-DIOXIDE EXTRACTION; VAR.-FORMOSANA; HEARTWOOD; JAPAN; L;
D O I：
暂无
中图分类号：
R914 [药物化学];
学科分类号：
100701 ;
摘要：
Supercritical carbon dioxide (SC-CO2) extraction and hydrodistillation (HD) were used to determine the essential oil composition of the trunks and leaves of Chamaecyparis obtusa. The optimal extraction conditions for the oil yield within the experimental range of variables examined were temperature 50 degrees C, pressure 12 MPa, carbon dioxide flow rate 40 mL/min and extraction time 90 min. The maximum measured extraction yield was 2.9%. Entrainer solvents, such as methanol in water, had no additional effect on the extraction of essential oils. The chemical composition of the essential oils was analyzed by GC-MS. The major components were alpha-terpinyl acetate (>10.9%), 1-muurolol (>13.2%) and elemol (>8.1%). Sesquiterpenoids formed the major class of compounds present.
引用
收藏
页码：461 / 464
页数：4
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