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Organic compound, a simple sugar (monosaccharide), chemical formula CHO. The product of photosynthesis in plants, it is found in fruits and honey. As the major circulating free sugar in blood, it is the source of energy in cell function and a major participant in metabolism. Control of its level and metabolism is of great importance (seeinsulin). Glucose and fructose make up sucrose. Glucose units in long chains make up polysaccharides (e.g., cellulose, glycogen, starch). Glucose is used in foods, medicine, brewing, and wine making and as the source of various other organic chemicals.
Variants of GLUCOSE
glucose or dextrose or grape sugar or corn sugar
This entry comes from Encyclopædia Britannica Concise. For the full entry on glucose, visit Britannica.com.