Ebenezer Essel

4 Questions 3 Answers 0 Followers

Questions related from Ebenezer Essel

What results do Alcaligenes faecalis and Pseudomonas aeruginesa give in Simmons' Citrate test?

I want to know if they turn Simmons citrate agar blue after 24 hours of incubation.

15 May 2019 9,281 4 View

How do i statistically analyse data collected on the microbial quality in 50 samples of a given street food?

I have done a microbial analysis of 50 samples of fresh red pepper sauce for APC, Yeasts and Molds, Enterobacteriaceae, E. coli O157, other E. coli and pH. All samples where collected from what is...

09 May 2019 8,864 4 View

What causes VRBGA to turn yellow after culturing a sample on it and incubating for 24 to 48 hours?

I prepared serial dilutions from a food sample and plated 1 millilitre of a dilution on VRBGA. After incubation for 20 hours i realised the agar had turned yellow. What could be the cause of this...

14 February 2019 1,183 2 View

According to epodemiological studies, what is the predominant serotype of Enterohaemorrhagic E coli in West Africa?

For my study, i want to ascertain whether or not E. Coli O157:H7 is the predominant serotype of EHEC in West Africa, or Africa as a whole.

06 January 2019 7,013 0 View