Andrade’s Indicator 125ML

Andrade's Indicator is recommended to differentiate microorganisms on basis of carbohydrate fermentation. Andrade indicator is a solution of acid fuchsin which when titrated with sodium hydroxide changes color from pink to yellow. Andrade Peptone Water and CLED Agar with Andrade Indicator are commonly used broth and agar media respectively. It becomes pink at acidic pH level (pH 5.0) and yellow at alkaline pH level ( pH 8.0).