1. Ex. 11: Chemical Antimicrobial Agents - Antibiotics
Day 2

2. Examine each plate and look for “zones of inhibition”
Examine each plate and look for “zones of inhibition”. Measure  of Zone of inhibition (in mm) and record the value in the table in the lab report section

3. A solid medium originally designed for the isolation of pathogenic Neisseria species, now widely used for
antibiotic susceptibility testing (including sulfonamides).
Composition:
Ingredients Grams/Litre
Beef infusion solids 4.0
Starch 1.5
Casein hydrolysate 17.5
Agar 15.0
Final pH 7.4 +/- 0.2 at 37°C

6. The End