Automated turbidimetry for the rapid differentiation and enumeration of bacteria in food.
A fully automated analysis system has been used to determine bacterial contamination in food, both qualitatively and quantitatively. Growth curves of bacterial flora were monitored using differential media, and a correlation was established between growth curve parameters and colony-forming units derived from drop-plating as the reference method. Optimal correlation was reached by multiple linear regression. The results were already obtained 16 h.
Jakob
R
R
Institut für Hygiene und Medizinische Mikrobiologie, Bern, Switzerland.
Lippert
S
S
Baumgart
J
J
D000818:Animals; D004755:Enterobacteriaceae / Q000302:isolation & purification; D005516:Food Microbiology; D007778:Lactobacillus / Q000302:isolation & purification; D008460:Meat; D008461:Meat Products; D009391:Nephelometry and Turbidimetry; D012015:Reference Standards; D013210:Staphylococcus / Q000302:isolation & purification; D013291:Streptococcus / Q000302:isolation & purification; D014675:Vegetables