Appearance |
Colorless solution*** |
Cultural Response |
Biochemical identification was carried out by adding 0.6 ml of Barritt Reagent 'A' (1735A) and 0.2 ml of Barritt Reagent 'B' (1735B) in 24-48 hours old cultures grown in MR-VP Medium |
Enterobacter aerogenes ATCC 1304 |
Growth - Luxuriant, VP Test-Positive (Cherry red color formation) |
Escherichia coli ATCC 25922 |
Growth - Luxuriant, VP Test-Negative (No red color formation) |
Klebsiella pneumoniae ATCC 13883 |
Growth - Luxuriant, VP Test-Positive (Cherry red color formation) |
- |
Note : On storage of the reagent, precipitate may develop.This will not affect the performance criteria of the reagent. |