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In leather industry, _____________ is used to remove hair from hides.

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In leather industry, _____________ is used to remove hair from hides.

(a) rennet

(b) trypsin

(c) alkaline protease

(d) papain

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My question is from Large Scale Use of Enzyme in portion Large Scale Use of Enzyme in Solution of Enzyme Technology

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Correct choice is (c) alkaline protease

For explanation: Alkaline protease is used in the leather industry to remove hair from hides. Use of alkaline protease is safer and more pleasant than the use of sodium sulfide which was used traditionally. The enzyme is required in large quantities, but the process should be controlled to improve the quality of leather. Rennet, Papain and Trypsin are used in cheese production, meat tenderization and softening of leather respectively.

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