用激光光声检测技术研究乙醛对苹果乙烯产量的影响

被引:2
作者
于清旭
林钧岫
尤斯欧文斯
弗朗斯哈伦
机构
[1] 大连理工大学应用物理研究所
[2] 奈米根大学分子与激光物理系
关键词
光声光谱法;乙醛;苹果;乙烯;
D O I
暂无
中图分类号
TN249 [激光的应用];
学科分类号
0803 ; 080401 ; 080901 ;
摘要
激光光声检测技术具有极高的检测灵敏度,并能够无侵入地、连续地监测微量气体浓度随时间的变化.用基于CO2激光器的腔内光声光谱仪研究乙醛气体对苹果乙烯产量的影响,证实了乙醛蒸气对苹果组织乙烯生物合成的阻碍作用.实验发现,苹果果皮及果肉组织对乙醛有很高的扩散阻力.乙醛处理完整苹果没有明显的效果,但处理去皮的苹果切片时对乙烯合成有明显的阻止作用.研究结果对苹果贮前的短时间无氧处理方法提供了实验依据.
引用
收藏
页码:36 / 41
页数:6
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