Why use corn sugar instead of household cane sugar?
Corn sugar (also known as dextrose) contains 100% glucose and is the most popular sugar in home brewing, as it leaves a minimal taste in the finished beer. Household cane sugar can also be used, although it contains fructose, a more difficult to ferment sugar which must be broken down by the yeast before fermentation. This break down process tends to leave a ‘hot’ sharp taste in the finished beer. Accordingly, most home brewers stick to the more expensive, readily fermentable corn sugar.
