红楠和滇润楠叶片和枝条挥发性成分分析

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中图分类号：S792.99 文献标识码：A文章编号：0439-8114（2025）12-0204-08DOI：10.14088/j.cnki.issn0439-8114.2025.12.035开放科学（资源服务）标识码（OSID）：[

Analysis of volatile components in leavesand twigs of Machilus thunbergii and Machilus yunnanensis

CHENBo-meng1，LITing，LIULi1，JIANGXin-yi²，LIUDuo- ⋅min1 ，ZHANGCai-ze1， ZHANG Jian-ping1，CHENYu-ting1，CHENGFei²，MA Wen-ping1

（1.Naningk;oti

Abstract：ToinvestigatethevolatileomponentsiheleavesndtwigsofMachilusthunbergiandMachilusyunanensisdlig fromthenurseryofNanningLiangfengjiangNationalForestParkinNanningCity，Guangxi ZhuangAutonomousRegion，wereusedas materials.Theleavesandoneyearoldtwigswereclected，andthevolatilecomponentswereextractedusing ten-hexaneimer sionmethod，followedbyanalysisviagaschomatographymassspectrometry（GC-MS）.Theresultsshowedthatthecomponnts with thehighestrelatiecontentiMaclustunbegileaves，chlustunbergitigs，achlusyuanesislavsndMchusyu nanensis twigswere β -elemene（ 10.49% ）， β -eudesmol （ 16.60% ），tetracosane（ 11.22% ），and cadinene（ 9.88% ），respectively. Therelativecontentof terpenoidswas dominant inboth theleavesandtwigsofMachilus thunbergii，accountingfor 74.82% and 77.29% ，respectively.Theleaveshadahigherrelativecontent ofaromatic hydrocarbons .11.05% ），while thetwigshadahigherrelative content of alcohols （ 18.94% ）.The relative content of terpenoids in Machilus yunnanensis leaves was 38.78% ，which was significantlylowerthanthatinMachilusthunbergilaves，Machlusthunbergi twigs，andMchilusyunanensistwigs.Howeverheelative content of alkanes was higher （27.51% ），and it also contained a considerable amount of alcohols，ketones，and esters. The relative contents of terpenoids，alkanes，and organicacids in Machilus yunnanensis twigs were relatively ，at 57.50% ， 20.52% ，and 15.88% ，respectively.Theleavesandtwigsofboth Machilus thunbergiandMachilusyunnanensiscontaindabundantvolatilecompo nents，and therelative contents of these componentsvaried among different tree species and diferent plant parts.

Keywords： Machilusthunbergii;Machilusyunnanensis；leaves;twigs;voltilecomponents；gaschromatographmasspctrometry （GC-MS）

植物挥发性有机物是植物通过次生代谢途径合成的一类沸点低、挥发性强的小分子有机化合物。（剩余7913字）