Extraction of walnut oil from Hetian and preparation of the solid fatty acids
Extractive conditions were studied through orthogonal design experiment with hexane as extraction solvent.Solid fatty acids were simultaneously prepared and analyzed with GC-MS.The optimum conditions for extraction were as follows:the ratio of meal to liquid was 1:12,temperature 60 ℃ extractive time 3 h,and the number of times was 3,the oil extraction rate is 68.54%.The results of GC-MS showed that the main composition of fatty acids of walnut oil and solid fatty acids was the basic same.