Description of MM0038
Peptone Water
Use and description: Used for the cultivaton of nonfastidious microorganisms, for carbohydrate fermentation tests, and for performing the indole test.
Composition per liter: Peptone………………………………………..10.0 g Sodium chloride………………………………..5.0 g
Final pH of the ready to use medium: 7.2 ± 0.2
Medium preparation: Add 15.0 grams of dehydrated culture medium to 1 liter of distilled water. Heat with repeated stirring and boil for one minute to dissolve completely. Distribute and autoclave at 121oC for 15 minutes.
Quality specifications: Dehydrated medium: homogeneous, light beige fine powder. Ready to use medium: clear and pale yellow.
Microbiological response:
Storage: Dehydrated medium should be stored between 10 to 25oC. Once opened, place the container in a dark, dry place. The dehydrated medium should not be used if there is any lump or the color has changed from the original. |
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