Question

Which browning reaction occurs during the heating of sugars in the absence of nitrogenous compounds?

• A. Maillard reaction
• B. Enzymatic browning
• C. Caramelization
• D. Oxidative browning

Hint:

Caramelization is responsible for the brown color and rich flavor in foods like caramel, toffee, and baked goods.

Answer 1

The Correct Option is C

Concept: Browning reactions in foods are broadly classified into enzymatic and non-enzymatic types. Among non-enzymatic browning reactions, two major types are the Maillard reaction and caramelization.

• Maillard reaction involves reducing sugars reacting with amino acids (requires nitrogenous compounds).
• Caramelization involves the thermal decomposition of sugars alone, without the involvement of proteins or amino acids.

Step 1: Understand the condition given.
The question specifies heating of sugars in the absence of nitrogenous compounds, which rules out the Maillard reaction.
Step 2: Analyze the options.

• Maillard reaction – requires amino acids (not applicable)
• Enzymatic browning – involves enzymes like polyphenol oxidase
• Caramelization – occurs with sugars alone upon heating
• Oxidative browning – involves oxidation reactions

Step 3: Identify the correct reaction.
Caramelization is the correct process as it involves heating sugars without nitrogenous compounds.