Prevalence of enteric bacteria in ice-cream in Giza governorate

الملخص EN

A total of 50 samples of ice-cream were collected from different shops which have ice-cream machine at Giza governorate and subjected to bacteriological examination, the mean values of the Coliform (MPN / g) and Enterobacteriaceae count were 1.98 x l03 ± 0.5 x l03 and 1.5 xl 04 ± 0.34 x 104, respectively, E.

coli could be isolated and identified as EPEC 2 % of 055 : K59 (B5) and EIEC 2 % of 0124 : K 72 (B17), While, Salmonella isolated from 2 % of samples and identified as S.typhimurum, and the incidence of the Enterobacteriaceae members isolated from examined ice-cream were E.

coli 4 %, Klebsiella pneumonia 6 %, Klebsiella ozonae 16 %, Enterobacter aero genes 14 %, Enterobacter agglomerans 4 %, Citrobacter fundi 18 %, Proteus vulgaris 14 % and Proteus mirabilis 22 %.

The public health importance of the isolated microorganisms were discussed, the sources of contamination of ice-cream and the measures which should be applied to minimize the bacterial load and safe guard the consumer are mentioned.