Appearance (Colour)
Cream
Appearance (Form)
Free flowing, homogeneous powder
Solubility (Colour) 2% aq. solution
Light to medium amber, clear
pH (25°C)
7.0 ± 0.5 (2%)
Stability (After autoclaving)
Light to medium amber, clear
Loss on drying
< 5 .0 %
Nitrogen (N) content
12.0 - 13.5 %
Ash
< 15.0%
NaCl
< 5.0%
Total Aerobic microbial count
(By plate count method) : < = 10,000 cfu/gm
Total Yeast and Mould count
(By plate count method) : < = 100 cfu/gm
Cultural Response
Growth Promotion Parameter :
Inoculate and incubate at 37°C for 18 - 24 hours.
Organism
Staphylococcus aureus ATCC 25923
Inoculum (cfu) 10-100
Growth : Good
Organism
Escherichia coli ATCC 25922
Inoculum (cfu) 10-100
Growth : Good
Organism
Pseudomonas aeruginosa ATCC 27853
Inoculum (cfu) 10-100
Growth : Good
Fermentable carbohydrates (2%)
Escherichia coli ATCC 25922
Growth : Good, Result : Negative
Indole Production (0.1%)
Escherichia coli ATCC 25922
Growth : Good, Result : Positive
Hydrogen Sulphide Production (1.0%)
Salmonella typhimurium ATCC 14028
Growth : Good, Result : Positive
Acetylmethylcarbinol Production
Enterobacter aerogenes ATCC 13048
Growth : Good, Result : Positive
Applications
Pancreatic Digest Of Casein used for cultivation of fastidious and non-fastidious bacteria and fungi.
