| Culture media utilized |
Detection |
| E. coli |
Salmonella spp. |
St. aureus |
| Nutrient agar |
Smooth, rounded, white to grayish colony with unusual putrid odor |
Small, circular and smooth colonies |
Growth of circular, small, smooth, convex, and golden yellowish colonies |
| Blood agar |
Demonstrate haemolysis |
Demonstrate haemolysis |
Demonstrate haemolysis |
| Mac Conkey agar |
Rosy pink lactose fermenter colonies. |
Colorless, pale, translucent colony. |
No growth (-) |
| Salmonella, Shigella (SS) agar |
Pink color colony |
Translucent colorless smooth colony |
No growth (-) |
| Staphyloccous Agar no. 1 0 |
No growth (-) |
No growth (-) |
Yellow colonies |
| Eosin-Methylene Blue (EMB) agar |
Moist circular colonies with dark centers yellow, green metallic sheen |
No growth (-) |
No growth (-) |
