| Appearance |
Light pink coloured, clear liquid with characteristic odour
|
Cultural Response |
Add 0.5 ml. of 0.8% Sulphanilic acid and 0.5 ml. Alpha-Naphthylamine solution into 18-24 hours old cultures in Nitrate Broth
|
| Acinetobacter calcoaceticus ATCC 43498 |
Luxuriant growth-Negative (No colour change)
|
Enterobacter aerogenes ATCC 13048 |
Luxuriant growth - Positive (Development of distinct red colour)
|
| Escherichia coli ATCC 25922 |
Luxuriant growth -Positive (Development of distinct red colour)
|
Salmonella Typhimurium ATCC 14028 |
Luxuriant growth - Positive (Development of distinct red colour)
|