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采用 ＧＣ－ＭＳ－计算机联用技术，对夜间采集的夜来香嫩枝挥发油进行成分分析。从夜间嫩枝的挥发油中鉴定出４９种化合物，占总量的８０．９８％，主要含甲酸二十一酯（１１．２８％）、沉香烷（９．７０％）、２－亚油酸甘油酯（７．８９％）及驱蚊叮、二十一烯、１，３－二甲苯、１，２，３－三甲苯、４－乙基－１，２－二甲苯、二十四烷、２，４－二叔丁基苯酚、３－乙基甲苯等。对照夜间花朵挥发油成分，夜间嫩枝挥发油成分有近三分之一成分相同； 相同成分含量约占挥发油含量的４５％；且嫩枝含油量也较高，约２．２２％；可为夜来香的全面开发利用提供更多依据。
GC-MS-computer combined technique was used to analyze the constituents of the essential oil of Radix Aconiti Lateralis collected at night. Forty-nine compounds were identified from the volatile oil of twig at night, accounting for 80.98% of the total, mainly including icosyl formate (11.28%), eicosane (9.70%), Glycerides (7.89%) and insect repellent, heneicosane, 1,3-dimethylbenzene, 1,2,3-trimethylbenzene, 4-ethyl-1,2-dimethylbenzene, 2,4-di-tert-butylphenol, 3-ethyltoluene and the like. Compared with the volatile oil composition of the evening flowers, night volatile oil composition of nearly one-third of the same ingredients; the same content of about 45% of the volatile oil content; and higher oil content of the shoots, about 2.22%; for nocturnal Comprehensive development and utilization to provide more basis.