Is dextrose ionic or covalent. . I have some dextrose left over. I recommend DME, won't really effect the flavor of your beer at all. Dextrose is dissolved in solutions that are given intravenously, which can be combined with other drugs, or used to increase a person’s blood sugar. In either case, when brewing beer, you want the yeast to go after the maltose and maltriose first and Oct 18, 2012 · I have always used regular table sugar but recently I purchased some dextrose. Will that be ok?. There is NO difference between "corn sugar" and "dextrose". Use 3/4 to 1 cup of dextrose depending on how much carbonation you want or, like Evan suggested use 1. Jan 28, 2013 · Dextrose = a form of glucose, aka d-glucose or corn sugar. Of the two, dextrose is said to be slightly more easily metabolized by yeast.