CAS Number
Formula
Weight
Usages:
For cultivation and examination of microorganisms.
Principle:
Yeast extract ,tryptone provide carbon and nitrogen sources, vitamins and growth factors.
Formulation（per liter）:
Yeast Extract 4g
Tryptone 5g
Glucose 50g
Agar 20g
Potassium Dehydrogen Phosphate 0.55g
Calcium Chloride 0.425g
Magnesium Sulphate 2.5g
Ferric Chloride 2.5g
Bromocresol Green 0.022g
Final pH 5.5 ± 0.2
How to use：
1.Suspend 80g 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 | White |
| 2 | Staphylococcus aureus ATCC6538 | Good | Yellow |
　　
Storage: Keep container tightly closed, store in a cool, dry place, away from bright light. Storage period of 3 years.
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