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  • Title: Flash Extraction and Physicochemical Characterization of Oil from Elaeagnus mollis Diels Seeds.
    Author: Kan L, Wang L, Ding Q, Wu Y, Ouyang J.
    Journal: J Oleo Sci; 2017 Apr 03; 66(4):345-352. PubMed ID: 28239062.
    Abstract:
    A flash extraction method was used to isolate Elaeagnus mollis oil (EMO). The optimal extraction parameters, sample/solvent ratio and extraction temperature, were determined to be 1:10 (g/mL) and 40°C, respectively. Especially, the extraction yield reached 49.30% when the extraction time was as short as 2 min. No obvious difference was observed in fatty acid composition, iodine value, saponification number, total phenolic content and tocopherol content between flash-extracted EMO and Soxhlet-extracted EMO, but their physicochemical values were lower than those of cold-pressed EMO. Cold-pressed EMO had higher oxidation stability, DPPH (1-diphenyl-2-picrylhydrazyl) and hydroxyl radical-scavenging activities than flash-extracted EMO and Soxlet extracted EMO. The flash extraction is demonstrated to be an alternative, efficient method for the vegetable oil production.
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