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MAL Indicator Medium

MAL Indicator Medium

Formedium

£102.74

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MAL Indicator Medium is a fermentation-indicator medium used to distinguish strains that ferment maltose or not. Due to the pH change, the maltose-fermenting strains will change the Bromcresol purple indicator into yellow. A Bromcresol purple solution (0.4% stock solution in ethanol) of 9 ml per litre medium has to be added prior to autoclavation. Formula g/l Yeast extract 10 Peptone 20 Maltose 20 Agar 20 Suspend 70 gram powdered medium in 1 litre distilled water Store dry at room temperature.

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