Lactose Peptone Broth is recommended for the detection of coliform organisms in water. A non-selective enrichment and detection medium for Escherichia coli and other coliforms in water specimens. Depending upon the sample volume the medium can be either used as single strength or triple strength. Tubes that change to yellow and eventual gas production in Durham's tubes are considered positive.
1. Corry J. E. L., Curtis G. D. W. and Baird R. M., 1995, Culture Media for Food Microbiology. Vol. 34, Progress in IndustrialMicrobiology, Elsevier, Amsterdam2.DIN Deutsches Institute f ü r Normung, 1991, e.V.: Deutsche Einheitsverfahren zur Wasser-, Abwasser-und Schlammuntersuchung: Mikrobiologische Verfahren (Gruppe K), Nachwels von Escherichia coli und coliformen Keimen (K6). Method DIN 38411.