Positive methyl red test are indicated by the development of red color after the addition of methyl red reagent. A negative methyl red test is indicated by no color change after the addition of methyl red reagent
Methyl Red (MR)Test: Positive methyl red test are indicated by the development of red color after the addition of methyl red reagent. A negative methyl red test is indicated by no color change after the addition of methyl red reagent