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Principle
- Ethyl violet azide broth is composed of tryptose, dextrose, dipotassium phosphate, monopotassium phosphate, sodium chloride, sodium azide, and ethyl violet. Tryptose provides nitrogen. Dextrose is a carbon source.
- Dipotassium phosphate and monopotassium phosphate are buffering agents. Sodium chloride maintains osmatic balance. Sodium azide and ethyl violet inhibits gram-positive bacilli and gam positive cocci other than enterococci.
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