湘西产枳椇籽亚麻酸超临界CO_2萃取研究_卢成英 . Study on the Supercritical CO2 Extraction of Hovenia acerba Seed Fatty Acids

Abstract

The fatty acids of the Hovenia acerba seed were extracted using the supercritical CO2 extraction technique. Also GC and GC-MS was used to detect the quality of the seed oil. The optimized supercritical CO2 extraction conditions are as follows: an extraction pressure of 36MPa, an extraction temperature of 45℃, an extraction time of 120min, a separatorⅠpressure of 10MPa. with a crude fat yield of 8.1% and a linolenic acid content of 37.90%. The GC-MS analysis showed that the dominant fatty acids in the oil are α-Linolenic, oleic acid, linoleic ,palmitic acid, stearic acid, etc. The content of PUFA in the product is 74.76%.