Prevalence of Listeria monocytogenes and the other Listeria spp. in cakes in Croatia

被引:15
|
作者
Uhitil, S
Jaksic, S
Petrak, T
Medic, H
Gumhalter-Karolyi, L
机构
[1] Univ Zagreb, Fac Food Technol & Biotechnol, Dept Food Technol Engn, Zagreb 10000, Croatia
[2] Lab Food Hyg, Zagreb 10000, Croatia
关键词
Listeria monocytogenes; prevalence; cakes;
D O I
10.1016/S0956-7135(03)00049-5
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
Cake samples were collected at hotels, restaurants and pastry shops through I year. The tests were performed on total of 283 samples. In 18 samples, i.e. 6.36% Listeria spp. was isolated. In particular, Listeria monocytogenes was isolated in 12 samples (4.27%) while L. innocua was isolated in six samples (2.15%). The isolated strains of L. monocytogenes were determined as: 1/2a, 1/2b, 3b and 4b and those of L. innocua were determined as 6a and 6b. The samples contained from 10 x 10(6) to 10 x 10(7) cfu/g. Most of the positive results were obtained from the samples of cakes prepared at hotels (13, i.e. 72.22%) as compared to other facilities included in the testing. In respect of the isolated strains and the established level of contamination, the results have confirmed a high level of potential risk posed by tested samples. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码:213 / 216
页数:4
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