3 Questions
Which sugar is the main sugar found in grapes and sugar cane/molasses?
Sucrose
What is the main source of sugars in cereals?
Starch
Which sugars are the main ones produced by the conversion of cereal grains' starch into glucose during germination?
Maltose and maltotriose
Study Notes
- Sucrose is the main sugar in grapes and sugar cane/molasses, easily fermented by yeast.
- Cereals are a major source of sugars, but their starch must be processed into glucose or smaller units.
- Cereal grains' starch is converted into glucose during germination, which can take weeks.
- Brewers and distillers accelerate this process by malting or using enzymes.
- Maltose and maltotriose are the main sugars produced.
- Free glucose is also created but in lower quantities.
- Dextrins cannot be fermented.
- Cereals require more processing than grapes or sugar cane.
- Cereals yield a less than 100% fermentable extract.
- Yeast cannot absorb breakdown products larger than maltose and maltotriose.
"Test your knowledge on the science of sugar in brewing and distilling with our quiz! From sucrose in grapes to the conversion of cereal grains' starch into glucose, learn about the main sugars produced, the importance of malting and enzymes, and the limitations of yeast fermentation. Impress your brewing and distilling friends with your newfound knowledge!"
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