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| Ultrasound-assisted extraction of Salmon oil and its fatty acid composition |
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| DOI： |
| KeyWord:Salmon oil ultrasound extraction fatty acid |
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| Abstract: |
| The extraction process of Salmon oil by ultrasound-assisted method was studied and its fatty acid composition was determined by GC-MS. Taking the extraction rate as index, the appropriate ranges of liquid-material ratio, extraction temperature, ultrasonic power and ultrasonic time were determined by single factor experiment, and then the optimal process conditions were determined by L9（34）orthogonal experiment. The results showed that liquid-material ratio, extraction temperature, ultrasonic power and ultrasonic time had varying degrees of influence on the extraction of Salmon oil. The optimal extraction conditions were obtained as follows:liquid-material ratio 3∶?1, extraction temperature 65?℃, ultrasonic power 250 W and ultrasonic time 10 min. The extraction rate of Salmon oil reached 92.6% under the optimal conditions. Salmon oil was mainly composed of unsaturated fatty acids and had high nutritional value,and the acid value and peroxide value of the extracted Salmon oil met the standard of SC/T 3502—2016. |
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