Which one promotes softening of fruits?

Polygalacturonase

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Polyehtylene glycol

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Colchicine

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Cellulase

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Solution

The correct option is A Polygalacturonase
Pectin is present in the skin of the fruits. It is present in large quantities of hard fruits. Polygalacturonase promotes the softening of fruits which hydrolyzes the alpha-1,4 glycosidic bonds between galacturonic acid residues. It is a pectinase enzyme. The rate of hydrolysis depends on the length of polysaccharide chain.
So, the correct answer is option A.

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