Total yeast and mould count [TYMC]

Published: March 24th, 2023

Revised: March 24th, 2023

This test measures total culturable moulds and yeasts contained in a sample of pharmaceutical product, personal care product, medical device, of other similar material by culturing a measured amount of the sample on Sabouraud Dextrose Agar and incubating at 20-25°C for a minimum of 5 days prior to analysis. At the end of the incubation period, mould and yeast colonies are counted and reported as CFU/g or CFU/mL. This test is usually conducted on bulk/ fluid samples, but it can also be used to test air.

Laboratory code: TYMC

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