鉴定异丁腈和异丁醛肟O-甲基醚为缬氨酸的挥发性微生物分解代谢产物。
Identification of isobutyronitrile and isobutyraldoxime O-methyl ether as volatile microbial catabolites of valine.
作者信息
Harper D B, Gibbs P A
出版信息
Biochem J. 1979 Aug 15;182(2):609-11. doi: 10.1042/bj1820609.
Abstract
G.l.c.--mass-spectral analysis of headspace above cultures of Aeromonas and Moraxella spp. indicates the presence of isobutyronitrile, isobutyraldoxime O-methyl ether, methacrylonitrile and possibly methacrylaldoxime O-methyl ether. Accumulation of these catabolites is maximal under low oxygen concentrations and is enhanced by enrichment of the medium with valine. Isobutyraldoxime O-methyl ether is established as the compound observed but not identified in previous studies with other bacterial species involved in spoilage of meat and chicken.
摘要
对气单胞菌属和莫拉克斯氏菌属培养物上方顶空气体进行的气相色谱-质谱分析表明，存在异丁腈、异丁醛肟O-甲基醚、甲基丙烯腈以及可能的甲基丙烯醛肟O-甲基醚。在低氧浓度下，这些分解代谢产物的积累达到最大值，并且通过在培养基中添加缬氨酸进行富集可增强这种积累。异丁醛肟O-甲基醚被确定为在先前涉及肉类和鸡肉腐败的其他细菌物种的研究中观察到但未鉴定出的化合物。
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