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This document specifies a method for determining the number or titre of Escherichia coli using a liquid nutrient medium and the most probable number (MPN) method. The method is applicable to milk and milk products, ice cream, and milk-based foods for infants and young children. This document has been prepared by Working Committee NA 057-05-13 AA "Milch und Milchprodukte - Probenahme- und Untersuchungsverfahren" ("Milk and milk products - Methods of sampling and analysis") at DIN Standards Committee Food and Agricultural Products (NAL).
This document replaces DIN 10183-1:1991-05 .