Principles of the Procedure
Yeast extract is a source of trace elements, vitamins and amino
acids. Malt extract is a source of carbon, protein and nutrients.
Peptone is an additional source of carbon and provides nitrogen
and amino acids. Dextrose provides carbon. Agar is the
solidifying agent.
Expected Results
Examine the plates or tubes for growth. Record YM Agar
results as colony-forming units (CFU) per volume of sample.
Record YM Broth results as growth or no growth.