Aerobic mesophylic bacteria in bottled waters
2007
Knezevic, P.,Prirodno-matematicki fakultet, Novi Sad (Serbia). Departman za biologiju i ekologiju | Petrovic, O.,Prirodno-matematicki fakultet, Novi Sad (Serbia). Departman za biologiju i ekologiju
There was carried out microbiological analysis of five bottled water of manufacturers from Serbia. Bacteriological quality was estimated using important parameter-aerobic mesophylic bacteria. Two nutrient media were used: standard (PCA) and low nutrient R2A. Plates were incubated at two temperatures (37 deg C and 22 deg C) during 24 hours, 48 hours, 3 days and 5 days. Results show that this group of bacteria is very abudant in bottled waters and their number depends on water types and manufacturers. Moreover, water from different bottles of the same manufacturer has different microbiological quality. Used media, temperatures and period of incubation also have influence on results and R2A medium gives higher values of aerobic mesophylic bacteria.
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