II. Cultural characteristics of yeasts. Below is the colony diameter for each yeast culture grown on PDA and AcA incubated at 35°C measured at Day 7. Colony Diameter (mm) Yeast Culture 1.Saccharomyces cerevisiae 2. Schizosaccharomyces pombe 3. Rhodotolura rubra 4. Pichia fermentans 5. Kluyveromyces marxianus 6. Candida parapsilosis 7. Hansenula anomala PDA 3.1 2.7 3.3 2.9 3.0 3.2 2.8 ACA 1.7 1.5 2.1 1.8 1.9 2.2 1.6 From the data presented above, what could you observe about the growth of the yeast cultures on PDA and AcA? Cite possible reasons behind this.

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Food Microbiology

The subdivision of microbiology that deals with the interaction between microbes and food particles are called food microbiology. This scientific study incorporates both beneficial and harmful microbes and their effect on the food production, food storage, and health of human beings.