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| Ultrasound-assisted extraction and GC-MS analysis of kernel oil from Camellia pitardii seed |
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| KeyWord:Camellia pitardii seed kernel oil ultrasound-assisted extraction GC-MS |
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| Abstract: |
| The kernel oil was obtained from Camellia pitardii seed by ultrasound-assisted extraction，and the effects of ultrasonic power，extraction time，extraction temperature and solid-liquid ratio on extraction rate of Camellia pitardii seed kernel oil were studied. The results showed that the optimal conditions of ultrasound-assisted extraction of Camellia pitardii seed kernel oil were obtained by orthogonal experiment as follows: solid-liquid ratio 1∶9，ultrasonic power 200 W，extraction time 50 min，extraction temperature 55℃. Under these conditions，the extraction rate of Camellia pitardii seed kernel oil was 36.74%.The analysis results of GC-MS indicated that the main fatty acid composition of Camellia pitardii seed kernel oil was oleic acid（78.68%），palmitic acid （8.59%），hexadecatrienoic acid （7.92%），linoleic acid （2.43%），linolenic acid （1.17%），stearic acid （0.81%） and eicosanoic acid （0.19%），and the content of unsaturated fatty acids was as high as 90.20%，which had a high application value. |
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