Maturation And Storage

Question 1

What are the temperature inversion effects on “cold room” tanks?

Answer 1

None

Question 2

List 3 methods that aid sedimentation

Answer 2

• Storage of 0-5 C. (Ten fold reduction)
• using finings
• Using a centrifuge

Question 3

3 undesirable volatile compounds in beer

Answer 3

Diacetyl

Hydrogen Sulfide

Acetaldehyde

Question 4

List 5 factors that affect haze development

Answer 4

Polyphenol concentration

Hydrophilic protein concentration

O2

Heat

Particulates, carbohydrates

Question 5

5 process measures that reduce the development of beer haze

Answer 5

Raw materials
Mashing regimine
Vigorous boil
Long cold conditioning 
Correct fining / filtration methods