Appearance (Colour)
Light to medium tan
Appearance (Form)
Free flowing, granules
Solubility (Colour) 2% aq. solution
Light to medium amber, clear
pH (25°C)
7.0 ± 0.2 (2%)
Stability (After autoclaving)
Light to medium amber, clear
Loss on drying
< 5.0%
Nitrogen content (N)
11.5 - 15.5 %
Ash
< 10%
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 Promoting Properties :
Inoculate and incubate at 37°C for 18 - 48 hours with following organisms
Organism
Escherichia coli ATCC 25922
Inoculum (cfu) 10-100
Growth : Good
Organism
Staphylococcus aureus ATCC 25923
Inoculum (cfu) 10-100
Growth : Good
Organism
Pseudomonas aeruginosa ATCC 27853
Inoculum (cfu) 10-100
Growth : Good
Organism
Enterobacter aerogenes ATCC 13048
Inoculum (cfu) 10-100
Growth : Good
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
Fermentable carbohydrates (2%)
Escherichia coli ATCC 25922
Growth : Good, Result : Negative
Acetylmethylcarbinol Production
(0.1% peptone w/0.5% Dextrose)
Enterobacter aerogenes ATCC 13048
Growth : Good, Result : Positive
Applications
A peptic digest of animal tissue used in various general and diagnostic media also for large scale production of enzyme, vaccines, antibiotics, etc.
