Technological Parameters, Anti-Listeria Activity, Biogenic Amines Formation and Degradation Ability of L. plantarum Strains Isolated from Sheep-Fermented Sausage

被引：9

作者：

Mangia, Nicoletta P. ^{[1
]}

Cottu, Michele ^{[1
]}

Mura, Maria E. ^{[1
]}

Murgia, Marco A. ^{[1
]}

Blaiotta, Giuseppe ^{[2
]}

机构：

[1] Univ Sassari, Dipartimento Agr, I-07100 Sassari, Italy

[2] Univ Naples Federico II, Dipartimento Agr, I-80055 Naples, Italy

来源：

MICROORGANISMS | 2021年 / 9卷 / 09期

关键词：

sheep meat; fermented sausage; L; plantarum; technological characterization; Anti-Listeria activity; biogenic amines; decarboxylase genes; multi-copper oxidase; LACTIC-ACID BACTERIA; LACTOBACILLUS-PLANTARUM; FUNCTIONAL-CHARACTERIZATION; SAFETY PROPERTIES; IDENTIFICATION; DIVERSITY; PCR; SELECTION; MEAT; STAPHYLOCOCCI;

D O I：

10.3390/microorganisms9091895

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

The aim of this work was to identify and characterize, from a technological and safety point of view, the lactic acid bacteria (LAB) isolated from traditional sheep-fermented sausage. First, LABs were identified then were screened for some technological parameters such as acidifying and growth ability, proteolytic and lipolytic activity and for antimicrobial activity. Finally, biogenic amine production and degradation abilities were also evaluated. This research reveals the predominance of Lactiplantibacillus (L.) plantarum on LAB community. Almost all L. plantarum strains were active against Listeria monocytogenes strains (inhibition zone diameters > 1 cm). None of the tested strains were positive in histidine (hdcA), lysine (ldc) and tyrosine (tyrdc) decarboxylase genes and only one (L. plantarum PT9-2) was positive to the agmatine deiminase (agdi) gene. Furthermore, given the positive results of the sufl (multi-copper oxidase) gene detection, all strains showed a potential degradation ability of biogenic amines.

引用

页数：13

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