Abstract

A prototype rapid automated turbidimetric apparatus was used to record the growth of pure cultures of Escherichia coli, Staphylococcus aureus and Streptococcus faecalis to evaluate instrument performance. The turbidimetric measurements were applied in experiments concerned with the determination of the bacteriological quality of fresh minced meat in terms of total counts. As a method of automated routine examinations of minced meat, it showed great promise. A correlation coefficient of 0.98 was established between the conventional plate count method and the turbidimetric method. Samples could be processed within 24 h.

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