Lab 31: IMViC Series - Citrate Utilization Test Flashcards
1
Q
citrate test determines
A
the ability to utilize sodium citrate as a source of carbon which produce ammonia and ammonium hydroxide as end products
2
Q
what is in Simmons citrate agar?
A
contains pH indicator bromthymol blue, sodium citrate and ammonium phosphate
agar changes from green to blue in a positive reaction
3
Q
citrate is useful for
A
differentiating between E. coli and Enterobacter sp.
4
Q
results
A
green slant = neg
blue slant = pos
