Peptone CM Fermentation Grade is a casein-meat peptone manufactured by a controlled enzymatic hydrolysis of casein and animal tissues. Contains a mix of peptides and free amino acids. Used as a source of organic nitrogen recommended in media for:
- Analytical microbiology
- Industrial fermentation
Appearance: Tan, homogeneous, free flowing powder
Solubility: Light yellow, clear, complete.
pH (5% solution): 5.5-6.5
Loss on drying (same/less than) 6.0%
Total nitrogen TN 12.5-13.5 %
a-amino nitrogen AN 3.3-4.3%
Residue on ignition: (same/less than) 14.0 %
Chloride (as NaCl): (same/less than) 7.0 %
Microbiology:
Total aerobic microbial count: (same/less than) 10,000/g
Coliforms: (same/less than)10g
Escherichia coli: Absence /g
Salmonella: Absence /25g
Staphylococcus aureus: Absence/10g Yeasts and molds: (same/less than) 20 /g
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