CAS Number
Formula
Weight
Usages:
For cultivation of non-fastidious microorganisms, indole testing.
Principle:
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：
| Item | The name and number of strain | Growth | Colony Color |
| 1 | Escherichia coli ATCC25922 | Good | Turn Red |
| 2 | Klebsiella pneumoniae | Good | Color unchange |
　　
Storage: Keep container tightly closed, store in a cool, dry place, away from bright light. Storage period of 3 years.
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