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Ultrasound-assisted extraction of oil from flaxseed

机译：超声波辅助提取亚麻籽油

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摘要

Flaxseed oil is the main component of the flaxseed and has many beneficial functions to human health. In this paper, the ultrasound-assisted extraction of oil from flaxseed is reported. The effects of some operating parameters such as ultrasonic power, extraction time, extraction temperature and solvent to solid ratio on the yield of flaxseed oil have been investigated and some of the results have been compared with that of conventional method. It has been found that ultrasound-assisted extraction requires a shorter extraction time and a reduced solvent consumption. The yield of flaxseed oil has been found to increase with the increase of the ultrasonic power and to decrease as the temperature is increased. Scanning electronic microscopy analysis was carried out on the flaxseed powder after the extraction. The images are powerful evidences to show the effect of ultrasound. The fatty acid compositions of the oils extracted by the ultrasound-assisted method and the conventional method have been analyzed using gas chromatography. It has been shown that the compositions of the flaxseed oils were not affected significantly by the application of ultrasound (p > 0.05). The ultrasound-assisted extraction may be an effective method for lipid production.
机译：亚麻籽油是亚麻籽的主要成分，对人体健康具有许多有益的功能。本文报道了超声波辅助提取亚麻籽油的方法。研究了超声功率，萃取时间，萃取温度和溶剂固比等操作参数对亚麻籽油收率的影响，并将部分结果与常规方法进行了比较。已经发现，超声辅助提取需要更短的提取时间和减少的溶剂消耗。已经发现亚麻籽油的产率随着超声功率的增加而增加，并且随着温度的升高而降低。提取后，对亚麻籽粉进行扫描电子显微镜分析。这些图像是显示超声效果的有力证据。已经使用气相色谱法分析了通过超声辅助方法和常规方法提取的油的脂肪酸组成。研究表明，亚麻籽油的成分不受超声波的影响（p> 0.05）。超声辅助提取可能是生产脂质的有效方法。

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