Introduction
Usages:
For cultivations of yeasts , moulds and acidophilic bacteria.
Principle:
Peptone and yeast extract powder provides carbon and nitrogen sources and trace elements; lactose are fermentable sugars; sodium chloride maintains osmotic equilibrium; the 3rd bile salts and crystal violet inhibiting gram-positive bacteria, especially against Gram positive bacteria and fecal streptococci; neutral red as pH indicator.
Formulation（per liter）:
Peptone 5g
Tryptone 5g
Glucose 20g
Final pH 5.7 ± 0.1
How to use：
1.Suspend 30g 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 | Aspergillus niger ATCC16404 | Good | Spore surface growth |
| 2 | Candida albicans ATCC10231 | Good | Cloudy broth |
| 3 | Escherichia coli ATCC25922 | Inhibition | — |
Storage: Keep container tightly closed, store in a cool, dry place, away from bright light. Storage period of 3 years.
Specifications: 250g/bottle
