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)