广西肉桂栽培及精油成分

中国肉桂原产我国 ,为一栽培种。本文对中国肉桂主产区广西的两大主产地 ,西江桂及防城桂作了大量的调查 ,包括桂皮采集、精油提取及成分分析。广西肉桂一般种植 4 -6年后即可开花结实 ,并可结合疏伐采收 ;8-1 0年生树即可剥取桂皮采收 ;1 0 -1 5年为理想采收期。不同种植地由于自然条件的影响 ,肉桂生育期有一定的差异。而不同品种、不同树龄、不同海拔肉桂油含量有明显的变化 ,但主成分肉桂醛含量变化较小。     

多毛小蜡（变种）花精油的化学成分

多毛小蜡(变种)[Ligustrum Sinense Lour.Var.Coryanum(W.W.Sm.)H.-M.]花精油,用Finnigan-4510色谱/质谱/计算机联用仪分析,共检出80个成分,鉴定了其中63个化合物,占精油的94.29％。主要成分为已酸乙酯(0.089%),乙酸-3-已烯-1-醇酯,2-己烯酸乙酯,辛醇,苯甲酸甲酯,苯甲酸乙酯,苯乙酸甲酯,辛酸乙酯,水杨酸甲酯,壬酸甲酯,苯乙酸乙酯,香叶醇,苯丙酸甲酯,肉桂酸甲酯,肉桂酸乙酯,月桂酸甲酯,橙花叔醇,月桂酸乙酯等.     

云南省不同产地、不同部位的中国肉桂精油成分分析

应用GC/MS及GC技术,分折了云南河口、富宁及西双版纳栽培的中国肉桂不同植株的皮油、枝油及叶油化学成分。桂皮油中鉴定出32个化合物,反式-肉桂醛含量为80～92％,精油质量达甲级。桂枝油中鉴定出21个化合物,反式-肉桂醛含量达81～92％。桂叶油中鉴定出29个化合物,反式-肉桂醛含量为63～75％。     

GC／MS分析黄杨花精油成份

Evonymusjoponica Thunb. belongs to the pant of Celastraceae and spreads in China broad. The root of this plant is used as medicine usually. It can regulate menstrual cycle and clear up blood lump. The whole plant is often cultivated as green fence. The flower blossoms from June to July. During this time the flower can attract a lot of the fly of Lucitia sericata, even the flower covered by fly. This phenomenon is strange and is interested by us. Because the components of the flower have not been reported as yet, we identified them by means of GC/MS.