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The phenol red broth test reflects a metabolic characteristic of your bacteria, but it isn't the most specific as the decarboxylation lab (https://youtu.be/7...
7 wrz 2020 · This video covers the phenol red broth test for General Microbiology Lab (Biology 210L) at Orange Coast College (Costa Mesa, CA). ...more.
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10 sie 2022 · Phenol Red Broth is a general-purpose differential test medium typically used to differentiate gram negative enteric bacteria. It contains peptone, phenol red (a pH indicator), a Durham tube, and one carbohydrate (glucose, lactose, or sucrose).
22 mar 2023 · Most commonly used is phenol red mannitol broth. The medium is a nutrient broth to which 0.5-1.0% mannitol is added. The pH indicator phenol red is red at neutral pH but turns yellow at pH <6.8. It also changes to magenta or hot pink at pH >8.4. How is the test performed?
Most commonly used is phenol red mannitol broth. The medium is a nutrient broth to which 0.5-1.0% mannitol is added. The pH indicator phenol red is red at neutral pH but turns yellow at pH <6.8. It also changes to magenta or hot pink at pH >8.4. How is the test performed?
7 lip 2020 · Phenol Red Broth is a general-purpose differential test medium typically used to differentiate gram negative enteric bacteria. It contains peptone, phenol red (a pH indicator), a Durham tube, and one carbohydrate (glucose, lactose, or sucrose).
