Food Production Micro-Organisms

Question 1

What happens to the bacteria (lactobacillus) in yoghurt production

Answer 1

They ferment turning the lactose sugars in milk into lactic acid which causes the milk as it ferments to thicken into yoghurt texture

Question 2

What does yeast do in food production

Answer 2

Through the process of fermentation yeast converts sugars into carbon dioxide and alcohol. This is used to make alcohol and to make bread rise.