期刊
INDUSTRIAL CROPS AND PRODUCTS
卷 35, 期 1, 页码 98-104出版社
ELSEVIER
DOI: 10.1016/j.indcrop.2011.06.013
关键词
Isatis indigotica Fort.; Response surface methodology (RSM); Seed oil; Ultrasound-assisted extraction (UAE)
资金
- Key Development Foundation for Agriculture of Shaanxi Province, China [2009K19-07]
In order to further exploit the by-products of Isatis indigotica Fort., the seed oil was studied for its extraction and physicochemical properties. Ultrasound-assisted extraction (UAE) was used, and the parameters affecting seed oil recovery were optimized through response surface methodology (RSM). The optimum conditions were as follows: solvent-to-sample, 24:1; particle size, 110 meshes; extraction temperature, 49 degrees C: and extraction time, 44 min. Which resulted in a maximum oil recovery of 81.20 +/- 0.21% (n = 3). Furthermore, the effects of UAE on the yield, fatty acid compositions, physicochemical properties, and microstructure of the seed powder were also investigated by calculating the recovery rate, utilizing a gas chromatograph fitted with a mass spectrometer (GC-MS), and performing scanning electron microscopy, respectively. The results show that UAE was an effective method for the seed oil extraction and the high content of unsaturated fatty acids (93.81%) demonstrates the oil has potential benefits for the cosmetics, edible products, or pharmaceutical industries. (C) 2011 Elsevier B.V. All rights reserved.
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