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生长温度和pH值对恶臭假单胞菌、荧光假单胞菌和芳香黄杆菌氨肽酶活性的影响；4-硝基苯胺试验是可靠的。

Effect of growth temperature and pH on the aminopeptidase activity of Pseudomonas putida, P. fluorescens and Flavobacterium odoratum; the 4-nitroaniline test is reliable.

作者信息

Lopez-Tomas L A, Ordoñez J A, Mediavilla C, Rodriguez-Marin J L, Sarmiento P, Zamora A, Garcia de Fernando G

机构信息

Servicio de Bromatología e Higiene de los Alimentos, Centro Militar de Veterinaria de la Defensa, Ministerio de Defensa, 28024, Madrid, Spain.

出版信息

Folia Microbiol (Praha). 2008;53(5):423-6. doi: 10.1007/s12223-008-0064-4. Epub 2008 Dec 16.

DOI:10.1007/s12223-008-0064-4
PMID:19085077
Abstract

No significant difference (p > 0.05) was observed in the specific aminopeptidase activity (SAA) developed by Pseudomonas fluorescens, P. putida and Flavobacterium odoratum either growing at pH 5.0-6.5 or at 7 and 12 degrees C. Nevertheless, a significant difference was found when comparing the SAA of these organisms. The SAA of F. odoratum was lower than those of pseudomonads. The 4-nitroaniline test is reliable to estimate the G(-) load of fresh food products.

摘要

荧光假单胞菌、恶臭假单胞菌和芳香黄杆菌在pH 5.0 - 6.5或7℃及12℃下生长时，其产生的特异性氨肽酶活性（SAA）未观察到显著差异（p > 0.05）。然而，在比较这些微生物的SAA时发现了显著差异。芳香黄杆菌的SAA低于假单胞菌的SAA。4-硝基苯胺试验可可靠地估计新鲜食品的G(-)负荷。

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