Factors Affecting Yeast Fermentation

Factors Affecting Yeast Fermentation

1. Type of sugar used

   • Glucose
   • Mixture of sugars
   • Fructose
   • Galactose

2. Temperature of solution

   • How to control?
     • Water bath
   • Optimum temperature for yeast?
     • Yeast works between 0-50 degrees Celcius
     • Optimum temp. 20-30 degrees Celcius

3. Yeast concentration

4. Time allowed for fermentation

5. Volume of sugar (i.e. glucose)

6. Volume of yeast

7. pH

   • Optimum pH of yeast?
   • pH of yeast solution?
   • of sugar solution?

8. Agitation of solution

   • What method?
   • How long for?