超临界CO2萃取苦瓜籽油

Extraction of Balsam Pear Seed Oil by Super Critical C02 Extraction

本文利用超临界二氧化碳萃取技术从脱壳去膜苦瓜籽中萃取苦瓜籽油，并利用气相色谱-质谱联用技术分析苦瓜籽油脂肪酸组成，结果表明，超临界二氧化碳萃取苦瓜籽油较好的工艺条件为：萃取压力35MPa，萃取温度50℃，萃取时间3h，苦瓜籽油的萃取率为18．65％；苦瓜籽油的主要脂肪酸组成为：棕榈酸1．35％，硬脂酸34．74％，α-桐酸54．26％。

Extraction of balsam pear seed oil by super critical CO2 extraction（SCF） was studied; the shell and the film were removal before extraction. The fatty acid composition was analyzed by GC-MS. The result indicated that the optimum extraction condition was pressure 35 MPa, temperature 50 ℃, time 3 h, the yield of balsam pear seed oil reached 18. 65% ;the main fatty acid composition was C16：0 1.35%, C18：0 34.74%, α-eleostearic acid 54.26%.