Solubility (Colour) 2% aq. solution
Light to medium amber, clear
pH (25°C)
6.5 - 7.5 ( 2.0 %)
Stability (After autoclaving)
Light to medium amber, clear
Loss on drying
<=5.0%
Nitrogen content (N)
14.0 - 16.0 %
NaCl
< 6.0 %
Ash
< 15.0%
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
Inoculate and incubate at 37°C for 18 - 24 hours
Organism
Escherichia coli ATCC 25922
Inoculum (cfu) 10-100
Growth : Good
Organism
Staphylococcus aureus ATCC 25923
Inoculum (cfu) 10-100
Growth : Good
Organism
Enterococcus faecalis ATCC 29212
Inoculum (cfu) 10-100
Growth : Good
Organism
Proteus vulgaris ATCC 13315
Inoculum (cfu) 10-100
Growth : Good
Indole Production (0.1%)
Negative
Applications
Gelatin peptone,prepared by enzymatic digest of Gelatin; is used as an ingredient in media for fermentation studies and to support growth of non-fastidious microorganisms. It is characterised by low Cystine,Tryptophan and Carbohydrate content .
