Study on Components of Gansu Native Almond Oil by Reversed-phase SFE-CO2 and GC-MS

Abstract

Abstract: 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 normalization. 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.

Key words: almond oil, reversed-phase SFE-CO2 extraction, GC-MS, components

YAO Jian, MA Jun-Yi, ZHANG Ji, LIANG Jun-Yu. Study on Components of Gansu Native Almond Oil by Reversed-phase SFE-CO2 and GC-MS[J]. FOOD SCIENCE, 2007, 28(12): 416-419.

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Study on Components of Gansu Native Almond Oil by Reversed-phase SFE-CO2 and GC-MS

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