WorksheetsFood Reactions
Total questions: 14
Worksheet time: 7mins
What is the process where starch granules absorb water and swell upon heating?
Caramelisation
Dextrinisation
Gelatinisation
Maillard Browning
Which reaction results in toasty and nutty flavors by breaking down long-chain starch molecules?
Denaturation
Caramelisation
Dextrinisation
Foaming
At what temperature does sugar undergo caramelisation?
Above 140 °C
Above 160 °C
Below 100 °C
Between 120-140 °C
What causes the desirable brown color and roasted flavor in meat during Maillard browning?
Denaturation of proteins
Absorption of water by starch granules
Reactions between sugars and proteins
Formation of foam by protein denaturation
What happens to proteins during denaturation?
They solidify
They form a network
They uncoil and lose their original structure
They absorb water
What is formed when egg white is beaten and protein strands denature to wrap around air bubbles?
Foam
Caramel
Gluten
Dextrin
What is the result of coagulation in protein-rich foods?
Browning
Solidifying or curdling
Absorption of water
Formation of foam
What is the purpose of shortening in baked products like scones?
To form a protein network
To reduce gluten networks
To stabilize egg white foam
To increase gluten strands
What is needed to stabilize emulsions like mayonnaise and cream?
Fats
Emulsifiers
Proteins
Water
What is the temperature at which a fat turns from a solid to a liquid state?
Boiling point
Smoke point
Melting point
Freezing point
Identify the two ingredients used in the following Tart Shell recipe that contributed to Maillard Browning.
Tart Shell
70g cold butter
20g egg
35g icing sugar
100g plain flour
Cold butter and egg
Egg and icing sugar
Plain flour and icing sugar
Plain flour and cold butter
Which of the following browning reactions is an undesirable reaction in apples?
Caramelisation
Dextrinisation
Enzymatic browning
Maillard browning
Which of the following cooking process shows the occurrence of 'gelatinisation'?
Boiling rice
Frying onion rings
Roasting chicken
Toasting bread
Enzymatic browning is a reaction observed on the surface of certain fruit and vegetables when they are cut or bruised.
Identify the measures that can be taken to reduce enzymatic browning.
1 Immerse cut fruit pieces in lemon juice to reduce its pH.
2 Spray baking soda solution onto cut fruit pieces to prevent oxidation.
3 Coat cut fruit with baking powder solution to reduce enzyme activity.
4 Keep cut fruit in the chiller in cling wrap to reduce contact with oxygen.
5 Cut fruit and vegetables just before use or consumption.
1, 2 and 3
1, 4 and 5
2, 3 and 4
2, 3 and 5
