The cut surface of fruits and vegetables ofte | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) When fruits and vegetables are cut,the phenolic compounds (such as tannic acid) present in their cells are exposed to oxygen in the air. If a meta

Vedclass · Accepted Answer

The oxidation of tannic acid in the presence of iron traces from the knife makes it dark.

Vedclass · Answer

(B) When fruits and vegetables are cut,the phenolic compounds (such as tannic acid) present in their cells are exposed to oxygen in the air. If a metal knife (containing iron) is used,the iron ions act as a catalyst. The oxidation of these phenolic compounds,often facilitated by the enzyme polyphenol oxidase and iron traces,leads to the formation of dark-colored pigments called melanins. This process is known as enzymatic browning.

The cut surface of fruits and vegetables often turns dark because...

Similar Questions

The given figures represent the nitrogenous bases of nucleic acids. Identify the correct group.

Which of the following pairs is $NOT$ correctly matched?

Which of the following is a chain-growth polymer?

Metal lauryl sulphate acts as:

The given diagrammatic representation shows one of the categories of small molecular weight organic compounds in living tissues. Identify the category shown and the one blank component "$X$" in it.

Vedclass Test Series

Exam Paper Generator

Online Exam Module