The oil of Brassica rapa L.seed was extracted by the Soxhlet extraction method.After methyl esterification,the fatty acids in Brassica rapa L.seed oil were analyzed by CG-MS spectrometry.There were erucic acid(51.64％),oleic acid(18.55％),linoleic acid(10.79％),and arachidonic acid(9.05％)in Brassica rapa L.seed,unsaturated fatty acid was 93.05％,and palmitic acid was the main saturated fatty acid.The volatile oil from Elaeagnus angustifolia flower was extracted by steam distillation and analyzed by GC-MS.The peak area normalization method was used for quantification.Totally 21 compounds were identified and accounted for 96.29％of the total volatile oil,mostly including methyl 10-chloro-10-oxodecanoate(55.27％),ethyl trans cinnamate(31.51％),2,6-di-tert-butyl-4-methyl phenol(4.14％),Azelaic acid diethyl ester(2.01％),ethyl oleate(1.69％),and guaiacol(1.67％).
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