Which of the following statements is NOT corr | vedclass

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(A) Tannins are naturally occurring polyphenolic compounds found in many plants. When fruits or vegetables are cut,the phenolic compounds present in t

Vedclass · Accepted Answer

These avoid browning of freshly cut potato.

Vedclass · Answer

(A) Tannins are naturally occurring polyphenolic compounds found in many plants. When fruits or vegetables are cut,the phenolic compounds present in them are exposed to oxygen and the enzyme polyphenol oxidase. This leads to the oxidation of phenols into quinones,which then undergo polymerization to form brown-colored pigments known as tannins. Therefore,tannins are responsible for the browning of cut fruits and vegetables,not for avoiding it. Thus,the statement that tannins avoid browning is incorrect.

List-$I$	List-$II$
$(A)$ Oxides of sulphur	$(1)$ Global warming
$(B)$ Nitrogen dioxide	$(2)$ Damage to kidney
$(C)$ Carbon dioxide	$(3)$ Blue baby syndrome
$(D)$ Nitrate in drinking water	$(4)$ Respiratory diseases
$(E)$ Lead	$(5)$ Red haze in traffic and congested areas

Which of the following statements is $NOT$ correct regarding tannins?

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