%0 Journal Article %A Vaziri, ُSamira %A Naghshbandi, Bayat %T In vestigation of contamination of traditional cheeses of Lighvan with E.coli and in Coliforms Maragheh %J Iranian Journal of Medical Microbiology %V 5 %N 4 %U http://ijmm.ir/article-1-204-en.html %R %D 2012 %K E.coli, coliform, traditional cheese, PH, %X Background and objective: milk and its products, especially the cheese, provide the large part o f the food's needs for human. This product provides good condition for transferring of disease to human. This study was conducted to determine the frequency of E.coli and/or coliform contamination of Tabriz lighvan inMaraghe. Materials and METHODS: in this descriptive cross sectional study, during six months, 100 samples of Tabriz lighvan cheese were in vestigated in Maraghe food and cosmetics laboratory.the samples were in vestigated for contamination with E.coli and Coliform according to Iranian standard guideline. The isolated bacteria were further identified by conventional bacteriologic tests. Results: of the 100 samples, 98% were contaminated with coliform , 50% contaminated with E.coli , in 44% the intensity of pollution was very high, so the numbers of Pergenes in its Pelits were innumerable,also.66% of the samples have the PH higher than limit standard in Iran. Conclusion: Result of this study showed that frequency of traditional cheese lighvan which were contaminated with E.coli and coliform was significantly higher than other surveys. Key wor %> http://ijmm.ir/article-1-204-en.pdf %P 23-28 %& 23 %! %9 Brief Original Article %L A-10-1-165 %+ %G eng %@ 1735-8612 %[ 2012