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Scientific
Publications - Work Done by Microbiology Reader
Kitzman, P., Prediction of total count of aerobic microorganisms in meat and meat products by automated turbidimetry, Polish Journal of Food and Nutrition Sciences, 1997, Vol. 6, No. 3, pp. 125-132 ABSTRACT The purpose of the study was to improve the accuracy of colony
forming units (CFU) estimation by automatic instrumental turbidimetric method.
Total plate count of aerobic microflora in meat and meat products were estimated
by conventional plate count method. Among the 155 samples examined, 57 samples
(about 37%) were selected for further investigation. In the selected samples,
ten-fold reduction in number of colonies on the surface plates was met, which
corresponded well to the decimal dilution procedure. From the analysis of growth
curves (obtained in Bioscreen C turbidimetric system), their several parameters
were calculated. On the basis of those, a multiple regression formula was
developed due to high correlation between the "refined" conventional
plate method (after rejecting the cases not following the decimal reduction) and
the method relying on the analysis of growth curves.
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