Abstract
The crude oil extracts from Alliums cepa. L. var. agrogatum Don was carried out organic solvent extraction. Use response surface methodology (RSM) to optimize the experimental factors: extraction temperature, extraction time and liquid-solid ratio. The crude oil extracts content was accomplished by Gas chromatography–Mass Spectrometry (GC-MS). The data suggests that the extraction rate of crude oil was effected by the extraction time significantly. The optimum conditions of Alliums cepa. L. var. agrogatum Don crude oil extraction were: extraction temperature 72°C, extraction time 4h and liquid-solid ratio 14:1. As the results of GC-MS showed the content of linoleic acid was 7.661%.
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