Detection and enumeration
Most routine tests for yeasts and moulds in food samples use conventional colony count methods rather than specific detection techniques.
There are current ISO horizontal methods for the enumeration of yeasts and moulds in foods and animal feed. ISO 21527:2008 is published in two parts. Part 1 relates to food and feed samples with water activity of >0.95, while part 2 applies specifically to dried and processed foods with reduced water activity of