Supercritical carbon dioxide extraction of the fatty acids from Pacific white shrimp waste (Litopenaeus vannamei)

被引:4
|
作者
Yang, Xia [1 ]
Zu, Tiehong [1 ]
Zheng, Qianwei [1 ]
Zhang, Zhisheng [1 ]
机构
[1] Agr Univ Hebei, Coll Food Sci & Technol, Baoding 071000, Peoples R China
关键词
Supercritical carbon dioxide; Polyunsaturated fatty acids; Shrimp head; Gas chromatography-Mass spectrometry; PENAEUS-VANNAMEI; FLUID EXTRACTION; OIL; ASTAXANTHIN; ANTIOXIDANT;
D O I
10.4028/www.scientific.net/AMR.712-715.506
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The content of total lipids in Pacific white shrimp head was higher than those find in other shrimps. A process to extract lipids from Pacific white shrimp waste (head) was developed. Supercritical fluid extraction was used and the effects of temperature, pressure, CO2 flow rate and extraction time on extraction yield and composition of the fatty acids were investigated. The extraction yield had little dependence on pressure, temperature and CO2 flow rate. However, the pressure and temperature conditions affected the composition of the fatty acids. Addition of entrainer can increase the extraction yield significantly(P<0.01), the maximum of the extraction yield was 80.9% with 8% ethanol at 30 Mpa, 45 degrees C and 1 L/min.
引用
收藏
页码:506 / 510
页数:5
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