Ultrasound-assisted Extraction and Fatty Acid Composition of Biota Orientalis Seed Oil

doi:10.7506/spkx1002-6630-201024010

FOOD SCIENCE ›› 2010, Vol. 31 ›› Issue (24): 50-55.doi: 10.7506/spkx1002-6630-201024010

• Processing Technology • Previous Articles Next Articles

Ultrasound-assisted Extraction and Fatty Acid Composition of Biota Orientalis Seed Oil

MA Cheng-jin1,2，WU Zhu-qing2，HUANG Wei2，XIAO Zhuo-bing1，HUANG Qun2

1. Key Laboratory of Hunan Forest Products and Chemical Industry Engineering, Zhangjiajie 427000, China；
2.Institute of Food Science, Jishou University, Jishou 416000, China

Received:2010-08-30 Revised:2010-11-14 Online:2010-12-25 Published:2010-12-29
Contact: MA Cheng-jin E-mail:machengjin368@126.com

Abstract

Abstract:

Oil in Biota orientalis seed was extracted using n-hexane with the assistance of ultrasound. Effects of liquid-to-material ratio, extraction time, extraction temperature and ultrasound power on the yield of oil were investigated by conducting single factor tests. Subsequently, a central composite design was employed and the results were analyzed by using response surface methodology. The optimal extraction conditions were as follows: liquid-to-material ratio 7:1 , extraction time 38 min, extraction temperature 55 ℃,ultrasound power 270 W. Under such conditions, the yield of the oil was 93.47%. Gas chromatography-mass spectrometry analysis indicated that the oil was abundant in unsaturated fatty acids, accounting for 84.37% of the total fatty acids and consisting of 28.4.1% of oleic acid , 11.40% of linoleic acid and 44.56% of linolenic acid.

Key words: Biota orientalis seed oil, ultrasound-assisted extraction, technical conditions, response surface analysis, GC-MS

CLC Number:

TS224.4

MA Cheng-jin1,2，WU Zhu-qing2，HUANG Wei2，XIAO Zhuo-bing1，HUANG Qun2. Ultrasound-assisted Extraction and Fatty Acid Composition of Biota Orientalis Seed Oil[J]. FOOD SCIENCE, 2010, 31(24): 50-55.

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Ultrasound-assisted Extraction and Fatty Acid Composition of Biota Orientalis Seed Oil

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