黑杨萎蔫叶片挥发性诱虫活性物质化学成分分析

Determination of chemical components of the odor with luring activity from withered black poplar leaves by gas chromatography mass spectrometry

采用水蒸气蒸馏法提取黑杨萎蔫叶片具诱虫活性的气味物质 ,用气相色谱 质谱联用技术分离和鉴定活性物质的化学成分 .经计算机谱库检索 ,发现其至少有 19种组分 ,从中鉴定出分属于醇类、醛类、酚类、酮类、酸类及杂环类的 16种化合物 .主要组分为 4号峰 ,其相对含量为 2 8 71% ,其次为 14号峰 ,其相对含量为 10 35 % .

A report is made of the study of chemical components of the odor with luring activity from withered black poplar leaves.The odor was extracted by steam distillation.Nineteen components in the odor were separated identified by gas chromatography mass spectrometry(GC/MS),and sixteen of which belonged to aldehyde,alcohol,phenol,ketone,acid and heterocyclic compounds.The peak number of the major chemical components of the odor is No.4,with a relative content of 28.71%;the following is No.14 with a relative content of 10.35%