Fermentation

Question 1

What type of bacteria is typically used in fermentation?

Answer 1

Lactic acid bacteria

Question 2

How does fermentation help to reduce spoilage?

Answer 2

Exclude oxygen and reduce water availability

Question 3

Why do products typically use multiple fermentors?

Answer 3

To prevent lactic acid which would ruin the taste

Question 4

Give an example of a food created via fermentation with lactic acid bacteria

Answer 4

Sauerkraut

Question 5

Outline the microbial succession which leads to a rise in lactic acid bacteria

Answer 5

Enterobacteriacae initially dominate which drops the PH for the mesenteroids that create mannitol which lactobacilli use to create lactacte

Question 6

Why do we use yeast fermenters in alcohol?

Answer 6

Creates ethanol acting as an antimicrobial