The casein peptone is used in bacterial culture media including axenic culture medium, anaerobic bacterial culture medium

General description

The tryptic casein peptone is a kind of pale egg yellow powder which is manufactured by trypsin digestion of casein, concentration and spry drying process.

The tryptic casein peptone is widely used as a basic conponent in the preparation of many kinds of bacterial culture media including axenic culture medium, anaerobic bacterial culture medium as well as biochemical specifications test medium of bacteria H2SRM-VP. Mass production will be increased if it is co-used with high quality meat pepton in large-scale culture.

Appearance

    white to pale yellow powder

Solubility

    It is easy to dissolve in water. The water solution is clear, light yellow without precipitation. There is no precipitatation with alkalinity and phosphates.

Specifications

    Total nitrogen ≥12% 

Amino acid nitrogen ≥4.0%

Peptone content ≥80%

Tryptophan ≥0.8%

    Ash  ≤8.0%

    pH  6-7(2% water solutiion)

Loss  ≤6.0% on drying

Storage

    This product is moisture absorbable and should be stored in cool place keeping container tightly closed in a dry and well-ventilated place