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BIO NMDCAT Carbohydrates
nmdcat.online June 27, 2026

In the industrial production of ethanol from starch, the process of saccharification refers to the

A. Fermentation of glucose to ethanol by yeast
B. Hydrolysis of starch into fermentable sugars by acid or amylolytic enzymes
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C. Distillation of ethanol from the fermentation broth
D. Purification of the final product by molecular sieves

📝 Explanation

Saccharification is the step where the polysaccharide starch is chemically or enzymatically hydrolyzed into simple sugars (glucose and maltose). These sugars then serve as substrates for the subsequent fermentation by microorganisms to produce ethanol.

📖 Additional Information

  • Fermentation of glucose to ethanol by yeast
  • Hydrolysis of starch into fermentable sugars by acid or amylolytic enzymes
  • Distillation of ethanol from the fermentation broth
  • Purification of the final product by molecular sieves

Saccharification is the step where the polysaccharide starch is chemically or enzymatically hydrolyzed into simple sugars (glucose and maltose). These sugars then serve as substrates for the subsequent fermentation by microorganisms to produce ethanol.

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