How does m-Endo medium work?

Document ID

Document ID TE1002

Version

Version 3.0

Status

Status Published

Published Date

Published Date 08/09/2018
Question
How does m-Endo medium work?
Summary
m-Endo method summary
Answer
The m-Endo medium works by having coliforms ferment lactose in the medium to produce an acid-aldehyde complex. This complex combines with Schiff's reagent (also in the medium) to form an iridescent green coating over the colonies. When magnified 10 to 15 times, these coliforms appear as dark red colonies with a greenish-gold sheen.

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