MAL Indicator Medium
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....
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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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