Street Vended Foods and Associated Environment in Two Major Cities of India: Microbial Safety Concern

Autor: K. N. Bhilegaonkar, Anukampa Kadwalia, M. Sivakumar, R. J. Zende, V.M. Vaidya, Shagufta Bi, Z. B. Dubal
Rok vydání: 2018
Předmět:
Zdroj: International Journal of Livestock Research. 8:312
ISSN: 2277-1964
DOI: 10.5455/ijlr.20170601095713
Popis: Majority of the people in the cities liked to have street food even with the compromising their health. Therefore, the present study was carried out to find out the microbiological profile/safety of street vended foods and associated environmental samples collected from Mumbai and Delhi. A total of 166 samples of foods of animal origin (124) and associated environmental samples (42) were processed for aerobic plate count, enumeration of Escherichia coli, Staphylococcus spp., sulphite reducing Clostridia (SRC) and for detection of Salmonella spp. and Listeria monocytogenes, while water samples tested for most probable number. Swab samples showed low to marginal APC for Delhi while marginal to high in Mumbai. Notably, E. coli and Staphylococcus spp. count is higher in table and cloth swabs. Overall, 42.4%, 69.6% and 51.5% swab samples were positive for E. coli, Staphylococcus spp. and SRC, respectively. APC for raw chicken was 5.00 ± 0.17 & 5.45 ± 0.05 log10cfu g-1 for Mumbai and Delhi, respectively while that of 4.13 ± 0.18 and 4.53 ± 0.10 log cfu g-1 for raw egg and raw milk from Delhi and 4.00 log cfu g-1 for raw egg from Mumbai. Salad and chutney samples showed marginal to high APC (3.5 to 4.7 log cfu g-1) with the presence of E. coli and Staphylococcus spp. in majority of the samples in both the cities. Overall, 38.75, 51.25 and 35.0% raw foods; 52.0, 36.0 and 8.0% milk products and 22.72, 31.81 and 13.63% cooked food samples were positive for E. coli, Staphylococcus spp. and SRC, respectively. Salmonella spp. was present in only one chutney sample while L. monocytogenes was absent in all. Cooked chicken from Mumbai had 1.89 ± 0.56 log cfu g-1 with mean E. coli and Staphylococcal count is
Databáze: OpenAIRE