Question

Observe the colour change when vegetable cut into pieces by your mother and give reasons for that and write some more such type of changes takes place in our surroundings

Answer 1

Answer:

brinjal potato onion bitterguard

Answer 2

Poly phenol

Explanation:

• When vegetables and fruits are peeled an enzyme called poly phenol is exposed.

• It is found in the cells of the vegetables and fruits.  It reacts with the oxygen and gets oxidised.

• Oxidation of poly phenol turns them brown.
• Bruising seen on various fruits is also caused by this reaction.

• When vegetables and fruits are damaged by being hit, the cells in that area also gets damaged and the enzymes come in contact with air and turn brown.

• Anti-browning solution can be used to prevent them from turning brown.
• Browning of the surface is also seen when you cut Brinjal, Potato or Artichoke.

Learn More:

What is an oxidation reaction give an example of oxidation reaction is oxidation and exothermic or endothermic reaction?

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