牵牛子脂肪油超临界CO_2萃取及气相-质谱测定

目的 :提取分析牵牛子脂肪油及其成分。方法 :用超临界CO2 萃取法提取牵牛子脂肪油 ,结合气相 -质谱法分析脂肪油成分。结果 :牵牛子脂肪油含量为34.78% ,脂肪酸组成以亚油酸、油酸和棕榈酸为主 ,不饱和脂肪酸占脂肪酸总量的88.70% ,饱和脂肪酸以棕榈酸为主。结论 :牵牛子脂肪油属优质植物油,分析结果可为开发、利用牵牛子油脂资源提供科学依据

GC-MS Analysis and CO2 Supercritical Fluid Extraction of Fatty Oil of Semen Pharbtidis

OBJECTIVE:To extract and analyze the compositions of fatty oil of Semen Pharbtidis METHODS:The fatty oil was extracted with CO2 supercritical fluid The content and compositions were determined by gravimetric analysis and GC-MS respectively RESULTS:The oil content of Semen Pharbtidis was 34 78% Among the fatty acids,linoleic acid,oleic acid and palmitic acid were dominant The unsaturated fatty acids accounted for 88 70% of the total fatty acids,and the major saturated fatty acid was palmitic acid CONCLUSION:The oil of Semen Pharbtidis is of high-quality,and the analysis results provide a scientific basis for exploitation and utilization of the oil of Semen Pharbtidis