Automated Turbidometry: A Method for Enumeration of Bacteria in Food Samples

Tiina Mattila

Research output: Contribution to journalArticleScientificpeer-review


The Bioscreen analyzer was used to determine bacterial counts in cooked food samples (sausages, hamburgers and French fries). The results indicated that the bacterial count as determined by the plate count method can be predicted accurately with the Bioscreen analyzer by using turbidometric parameters of bacterial growth. Stepwise regression analysis by the turbidometric variables was performed for the different food samples to develop a formula for predicting bacterial growth. The detection time of bacterial growth was considered the most important predictor selected by the stepwise regression analysis.
Original languageEnglish
Pages (from-to)640-642
JournalJournal of Food Protection
Issue number8
Publication statusPublished - 1987
MoE publication typeA1 Journal article-refereed


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