Peptone Water





For cultivation of non-fastidious microorganisms, indole testing. 


Peptone provide carbon and nitrogen sources, vitamins and growth factors; sodium chloride to maintain osmotic equilibrium.

Formulation(per liter):

Peptone 10g

Sodium chloride 5g

Final pH 7.0 ± 0.2

How to use:

1.Suspend 15g in 1 L of distilled water , stirring heated to boiling until completely dissolved, dispensing flask, 121 autoclave for 15min.

2.Diluted and treated samples.

Quality control:

ItemThe name and number of strainGrowthColony Color
1Escherichia coli ATCC25922GoodTurn Red
2Klebsiella pneumoniaeGoodColor unchange
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