Fructose, orfruit sugar, is a simple ketonic monosaccharide found in many plants, where it is often bonded toglucoseto form the disaccharide sucrose. It is one of the three dietary monosaccharides, along with glucose andgalactose, that are absorbed directly into the bloodstream during digestion.
glucose is compound made by plants with process of photosynthesis. it is simply form of sugar. it's chemical formula is C6H12O6. it's a carbon compound.