Radulović Niko, Blagojević Polina, Palić Radosav
Department of Chemistry, Faculty of Science and Mathematics, University of Nis, Visegradska 33, 18000 Nis, Serbia.
Nat Prod Commun. 2009 Nov;4(11):1581-4.
GC and GC-MS analyses of two diethyl ether extracts of Lonicera fragrantissima flowers (extraction times 1 and 20 days) enabled the identification of 61 components that represented ca. 90% of the extract volatiles. 10-Nonacosanol (18.1-24.1%), nonacosane (14.4-15.0%) and the rather rare long-chained fatty acid hexyl esters (octadecanoate, eicosanoate, docosanoate, tetracosanoate, hexacosanoate, octacosanoate and triacontanoate, in total 19.1-19.5%) were among the main constituents of both extracts. However, a number of differences were observed in the chemical composition of the 1 and 20 day extracts, the relative percentage of the iridoid loganetin being the most striking (19.1 and 2.1%, respectively). To the best of our knowledge, this is the first report on the GC behavior of loganetin. It seems that this and the long-chain fatty acid hexyl esters could have chemotaxonomic significance at the generic level.
对香忍冬花的两种乙醚提取物(提取时间分别为1天和20天)进行气相色谱(GC)和气相色谱 - 质谱联用(GC - MS)分析,共鉴定出61种成分,约占提取物挥发物的90%。10 - 二十九醇(18.1 - 24.1%)、二十九烷(14.4 - 15.0%)以及相当罕见的长链脂肪酸己酯(十八烷酸酯、二十烷酸酯、二十二烷酸酯、二十四烷酸酯、二十六烷酸酯、二十八烷酸酯和三十烷酸酯,总计19.1 - 19.5%)是两种提取物的主要成分。然而,在提取1天和20天的提取物的化学成分上观察到了一些差异,其中环烯醚萜类化合物马钱苷的相对含量差异最为显著(分别为19.1%和2.1%)。据我们所知,这是关于马钱苷气相色谱行为的首次报道。看来,这种化合物以及长链脂肪酸己酯在属水平上可能具有化学分类学意义。