Sugar

Sucrose

From Homedistiller:

Sugar molecules are formed from carbon, hydrogen, and oxygen by the process known as photosynthesis. Yeasts convert sugar molecules into alcohol and carbon dioxide by means of a simple enzymatic action. There are many forms of sugar and the name the whole family is known under is saccharide.

Some common sugars are:

• Sucrose (table sugar), C₁₂H₂₂O₁₁
• Fructose (fruit sugar), C₆H₁₂O₆
• Lactose (milk sugar), C₁₂H₂₂O₁₁
• Glucose (simple sugar), C₆H₁₂O₆

Sucrose and fructose are the most common sugars used in fermentation. They must be converted into glucose by enzymes in the yeast before they can be fermented.

It is also possible to ferment lactose, but special lactose fermenting yeast must be used. This type of yeast is very uncommon.

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