摘要
利用SUMMA罐收集落叶松挥发物,采用预浓缩与GC/MS联用系统对不同季节的落叶松挥发性有机物成分进行分析。结果表明:不同季节落叶松挥发物的成分包括萜类、烷烃、烯烃及炔烃类、酮类、呋喃类、醇类、醛类、酸类、酯类8大类化合物,共110种,其中以萜烯类化合物为主,且含量随季节变化显著。(1S,3S)-(+)-间-薄荷-4,8-二烯(12.58%)、植紫三烯(9.02%)、(E)-2,7-二甲基-3-辛烯-5-炔(18.13%)、(Z)-2,7-二甲基-3-辛烯-5-炔(17.63%)构成了春季萜类化合物的主要成分,夏季以1,3-戊二烯(23.53%)为主,秋季则以(-)-蒎烯(17.04%)、IR?α?蒎烯(37.09%)为主。
Pre-concentrated system combined GC-MS was evaluated for determination of volatile organic compounds（VOCs） from Larix gmelinii using SUMMA canister for sampling.The results showed that a total of 110volatile compounds were identified,the main components of VOCs included terpene,alkane,olefin,ketone,furan,alcohol,aldehydes,acids and ester,and the major component was terpene.The component and content had dynamic varieties in different seasons,the major VOCs of Larix gmelinii in spring were m-Mentha-4,8-diene,（1S,3S）（＋）（12.58%）,Santolina triene（9.02%）,3-Octen-5-yne,2,7-dimethyl,（E）（18.13%）,3-Octen-5-yne,2,7-dimethyl,（Z）（17.63%）.Major component was 1,3-Pentadiene（23.52%） in summer.The main volatile components were（）-beta.-Pinene（17.04%）,IR-.alpha.-Pinene（37.09%） in autumn.
出处
《北方园艺》
CAS
北大核心
2012年第19期68-70,共3页
Northern Horticulture
关键词
落叶松
预浓缩系统
挥发性有机物
动态变化
Larix gmelinii
pre-concentrated system
volatile organic compounds
dynamic variety
