甘肃地产杏仁油成分的反相SFE-CO_2萃取与GC-MS分析

Study on Components of Gansu Native Almond Oil by Reversed-phase SFE-CO_2 and GC-MS

采用气相色谱-质谱联用仪(GC-MS)对生榨-反相超临界CO2萃取法(SFE-CO2)提取的甘肃地产杏仁油的有效成分进行了分析研究,并与生榨法、有机溶剂萃取法、超临界CO2萃取法进行比较。结果表明,生榨-反相超临界CO2萃取法有机结合可提高杏仁油品质,降低生产成本,适合工业化生产;甘肃地产杏仁油中油酸、亚油酸含量丰富,占总脂肪酸的90%以上。

Gansu native almond oil was extracted by mechanical squeeze and reversed-phase supercritical CO2 extraction （SFE- CO2）. The almOnd oil Was analyzed by capillary gas chromatography-mass spectrometry （GC-MS） method and elucidated based on the standard mass spectral data respectively. The relative percentages of the constituents were calculated by area norrnalization. Compared with the extraction ratio of mechanical squeeze, petroleum ether extraction and SFE-CO2 extraction and found that it could improve the quality of almond oil and reduce the production cost by the technology of mechanical squeeze accompanied with reversed-phase SFE-CO2 extraction. The technology will be used to industrialization costly. Gansu native almond oil abundanted with 9-octadeecenoic acid and 9,12-octadecadienoic acid, which accounted for 90 % of the total contents.