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| Extraction and GC-MS analysis of kernel oil of Osmanthus fragrans seeds |
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| DOI： |
| KeyWord:ultrasound-assisted extraction Osm anthus fragrans kernel oil GC-MS analysis |
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| Abstract: |
| The process of ultrasound-assisted extraction of kernel oil from Osmanthus fragrans seeds was studied. On the basis of single factor experiment, ratio of material to liquid, ultrasonic time, ultrasonic temperature and ultrasonic power were selected to optimize the extraction process of kernel oil from Osmanthus fragrans seeds by four factors and three levels orthogonal experiment. The components of kernel oil of Osmanthus fragrans seeds were analyzed qualitatively and quantitatively by gas chromatography-mass spectrometry (GC-MS). The results showed that the optimal extraction conditions were obtained as follows: ratio of material to liquid 1∶?12, ultrasonic time 30 min, ultrasonic temperature 40?℃ and ultrasonic power 240 W. Under these conditions, the yield of kernel oil of Osmanthus fragrans seeds was 31.69%. Seven main constituents were identified from the kernel oil of Osmanthus fragrans seeds. The contents of oleic acid (37.98%), linoleic acid (30.21%), myristic acid (11.02%) and palmitoleic acid (6.94%) were higher. |
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