Tween Esterase Test Agar Base 100G

Tween Esterase Test Agar Base is recommended for confirmation of Yersinia enterocolitica. The composition and performance criteria are in accordance with ISO10273:2017.Esterase enzyme hydrolyses Tween surfactant in the medium forming opacity around the colony.Yersinia enterocolitica shows variable esterase activity while Yersinia intermedia shows positive reaction.