food safety - microorganisms, enzymes and food spoilage - yeast Flashcards
1
Q
yeast are …
A
single celled plants
2
Q
yeast is found in the
A
air and skins of fruit
3
Q
yeast spoils the …
A
taste of foods but is not harmful
4
Q
it grows only on …
A
sugary foods
5
Q
it grows only on sugar foods but not in …
A
sugar concentrations above 50%
6
Q
jams should be made with …
A
60% sugar
7
Q
yeast can survive without …
A
air
8
Q
yeast is destroyed at temperatures above
A
70 degrees c
9
Q
yeast is a very helpful
A
organism
10
Q
yeast is used in
A
baking bread, wine making and brewing.
11
Q
bread making, carbon dioxide is used as a
A
raising agent
