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Question

Name the enzymes and write the reactions involved in the preparation of ethanol from sucrose by fermentation.


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Solution

Enzymes involved in the preparation of ethanol from sucrose by fermentation

The enzymes used in the fermentation process for converting sucrose into ethanol are invertase and zymase.
Invertase converts sucrose into glucose and fructose. Then, glucose and fructose undergo fermentation in the presence of zymase to form ethanol.

Reaction involved in the preparation of ethanol from sucrose by fermentation:

Following are the reactions involved in the preparation of ethanol from sucrose by fermentation:

C12H22O11+H2OInvertase−−−−−C8H12O8+C8H12O8
Sucrose Glucose Fructose
C8H12O8Zymase−−−−2C2H6OH+2CO2
Glucose/Fructoes Ethanol


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