Phenotypic characterization of lactic acid bacteria from sourdoughs for Altamura bread produced in Apulia (Southern Italy)

被引:48
|
作者
Ricciardi, A [1 ]
Parente, E [1 ]
Piraino, P [1 ]
Paraggio, M [1 ]
Romano, P [1 ]
机构
[1] Univ Basilicata, Dipartimento Chim Difesa & Biotecnol Agroforestal, Campus Macchia Romana, I-85100 Potenza, Italy
关键词
D O I
10.1016/j.ijfoodmicro.2004.05.007
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
In order to study the composition of the lactic acid bacteria (LAB) community of sourdoughs used for the manufacture of Altamura bread, a traditional durum wheat bread produced in Apulia (Southern Italy), 111 strains of LAB were isolated and characterized. The phenotypic characterization of the isolates, carried out using a set of 29 tests, allowed the identification of 15 clusters at the 80% similarity level by hierarchical cluster analysis. Of the isolates, 88% were identified as facultatively heterofermentative LAB (Lactobacillus plantarum, Lb. paracasei, Lb. casei) and 12% as heterofermentative LAB (Lb. brevis, Leuconostoc mesenteroides). SDS-PAGE profiles of whole cell proteins of 68 strains confirmed the identification. Both the diversity and structure of the lactic microflora for sourdoughs for Altamura bread varied among samples. © 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:63 / 72
页数:10
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