Chemical Constituents of Essential Oil from Bark of Ten Species of Populus
Published 2007 · Chi De-fu
Forest research
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Abstract
Essential oils were obtained from the bark of ten species of Populus plants,namely P.×xiaozhuanica cv.'Baicheng-2',P.simonii×P.nigra,P.russkii,P.berolinensis,P.pseudo-simonii,P.pseudo-simonii×P.nigra,P.ussuriensis,P.stalinetz,P.alba×P.berolinensis and P.simonii by means of steam distillation technique.The chemical constituents of the oils were separated and identified by gas chromatography-mass spectrometry(GC-MS),and 19,22,29,20,10,36,20,14,16 and 10 components were separated,respectively,of which 15,21,27,18,9,33,17,11,13 and 9 components were identified.The hexanal,furaldehyde,salicylaldehyde,(E,E)-2,4-heptadienal and linoleic acid were extracted from all the ten poplar trees bark's essential oil,the amounts of salicylaldehyde in all of them were more than 12.16%,and especially in P.simonii,90.15%.The main constituents of the ten essential oils were aldehydes,esters,alkanes etc.,the percentages of identified components from the total essential oil were 95.06%,98.34%,96.91%,91.08%,100%,96.00%,90.69%,89.65%,95.31% and 99.55% respectively.