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微生物在冷藏温度下产生的挥发性有机化合物的高分辨率气相色谱图。

High-resolution gas chromatographic profiles of volatile organic compounds produced by microorganisms at refrigerated temperatures.

作者信息

Lee M L, Smith D L, Freeman L R

出版信息

Appl Environ Microbiol. 1979 Jan;37(1):85-90. doi: 10.1128/aem.37.1.85-90.1979.

Abstract

Three different strains of bacteria isolated from spoiled, uncooked chicken were grown in pure culture on Trypticase soy agar supplemented with yeast extract. The volatile organic compounds produced by each culture were concentrated on a porous polymer precolumn and analyzed by high-resolution gas chromatographic mass spectrometry. Twenty different compounds were identified. Both qualitative and quantitative differences in the chromatographic profiles from each culture were found.

摘要

从变质的生鸡肉中分离出的三种不同细菌菌株,在添加酵母提取物的胰蛋白酶大豆琼脂上进行纯培养。每种培养物产生的挥发性有机化合物在多孔聚合物预柱上浓缩,并用高分辨率气相色谱 - 质谱联用仪进行分析。共鉴定出20种不同的化合物。发现每种培养物的色谱图在定性和定量方面都存在差异。

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