ISO 11866-1 | IDF 170-1: 2005 - Milk and milk products - Enumeration of presumptive Escherichia coli - Part 1: Most probable number technique using 4-methylumbelliferyl-beta-D-glucuronide (MUG) Language:EN 2 % (mass fraction) of

2 % (mass fraction) of chloride ion

the alternative method described in Annex A can be used

milk protein concentrate

Withdrawn and replaced by the joint IDF/ISO standard ISO 23318 | IDF 249: 2022

will influence its firmness characteristics

ISO 11866-1 | IDF 170-1: 2005 - Milk and milk products - Enumeration of presumptive Escherichia coli - Part 1: Most probable number technique using 4-methylumbelliferyl-beta-D-glucuronide (MUG) Language:EN 2 % (mass fraction) ofThis standard specifies a combined method for the enumeration of presumptive Escherichia coli and of presumptive coliforms by means of a culture technique involving a liquid medium with MUG, and calculation of the number of presumptive Escherichia coli and or coliforms per gram or per millilitre by the most probable number (MPN) technique after incubation at 30 C. The method is applicable to milk, liquid milk products, dried milk, dried sweet whey,