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当前位置: 首页 > 文章 > 不同吸附剂对玉米叶片挥发物的吸附效果比较 中国农业科技导报(中英文) 2011,13 (2) 88-93
Position: Home > Articles > Adsorption Efficiency of Different Adsorbents on Volatiles of Maize Leaves Journal of Agricultural Science and Technology 2011,13 (2) 88-93

不同吸附剂对玉米叶片挥发物的吸附效果比较

作  者：
赵振杰;刘天学;王秀萍;李潮海
单  位：
河南农业大学农学院
关键词：
玉米;机械损伤;绿叶挥发物;顶空吸附;色谱分析
摘  要：
选择GDX-101、GDX-502、Porapak Q、Tenax-Ta和XAD-2五种吸附剂,采用动态顶空收集法和气相色谱-质谱联用(GC/MS)技术,对机械损伤的玉米叶片挥发物进行分析和鉴定。结果分析得到8种挥发性组分,以顺-3-己烯醛、反-2-己烯醛、顺-3-己烯-1-醇、反-2-己烯-1-醇和顺-3-己烯基乙酸酯这5种绿叶挥发物为主,还有3种未鉴定的挥发物。实验结果表明,GDX101、GDX-502、Porapak Q和Tenax-Ta的吸附效果基本一致,可用于玉米叶片挥发物的收集,但XAD-2对含量少的挥发物吸附效果较差。
译  名：
Adsorption Efficiency of Different Adsorbents on Volatiles of Maize Leaves
作  者：
ZHAO Zhen-jie,LIU Tian-xue,WANG Xiu-ping,LI Chao-hai (Agronomy College,He'nan Agricultural University,Zhengzhou 450002,China)
关键词：
maize;mechanical damage;GLVs;head-space absorption;chromatographic analysis
摘  要：
Volatiles from mechanical damaged fresh leaves of maize were collected by dynamic head-space sampling with adsorbents GDX-101,GDX-502,Porapak Q,Tenax-Ta and XAD-2,respectively.Components of the volatiles were analyzed and identified by combined gas chromatography-mass spectrometry(GC/MS).Eight volatile compounds,among which 5 were maize green leaf volatile compounds(GLVs),including cis-3-hexenal,trans-2-hexenal,cis-3-hexen-1-ol,trans-2-hexen-1-ol,cis-3-hexenyl acetate and 3 were undefined.The results showed that the adsorption efficiency of GDX-101,GDX-502,Porapak Q and Tenax-Ta were basically consistent.These 4 adsorbents could meet the requirement of adsorption and detection of maize leaves volatile compounds.But the adsorption capability of XAD-2 to the lean content volatile compounds was relatively poor.

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