H Sefcová

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  • H Sefcová
  • Central European journal of public health
  • 1997
An elevated count of mesophilic and psychrophilic bacteria (10(3)-10(4) CFU/1 ml) was detected in uncarbonated bottled water stored for a period of 1 year. None of the 120 samples contained faecal coliform bacteria or streptococci. Psychrophilic and mesophilic bacteria counts detected in bottled water within 24 hours of bottling conformed to Czech Republic(More)
  • H Sefcová
  • Central European journal of public health
  • 1998
Three different types of bottled water had counts of psychrophilic bacteria (aerobic colony count at 22 degrees C) ranging from 10(0)-10(4) colony forming unit/1 ml. The most frequent type of bottled water to exceed limits for psychrophilic microorganisms was still table water. The growth of psychrophilic microorganisms of up to 10(4) CFU/ml began over the(More)
  • H Sefcová
  • Central European journal of public health
  • 1998
Ultrafiltration is highly effective method for removal of bacteria and viruses and does not produce organohalides associated with water treatment by chlorine gas. The aim was to assess the hygiene suitability of the unit for possible use in bottled water production. The ultrafiltration unit was in operation for 220 hours with simulated of varying duration.(More)
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