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Fructose is found in honey, tree and vine fruits, flowers, berries, and most root vegetables. Commercially, fructose is derived from sugar cane, sugar beets, and maize. High-fructose corn syrup is a mixture of glucose and fructose as monosaccharides. Sucrose is a compound with one molecule of glucose covalently linked to
Compare Glucose and Fructose in the Chair Structures. The six member ring and the position of the -OH group on the carbon (#4) identifies glucose from the -OH on C # 4 in a down projection in the Haworth structure). Fructose is recognized by having a five member ring and having six carbons, a hexose. Both glucose and fructose may be either ...
Although only a single structure is shown, this species may exist in several forms including a linear molecule, a five membered ring and a six membered ring. Information on this page: IR Spectrum
In fructose, the carbonyl group is on the C 2 carbon, forming a ketone group. The former sugars are called aldoses based on the aldehyde group that is formed; the latter is designated as a ketose based on the ketone group.
Although fructose is a hexose (6 carbon sugar), it generally exists as a 5-member hemiketal ring (a furanose). This structure is responsible for the long metabolic pathway and high reactivity compared to glucose (See below structure -note: hydrogens not shown)
Molecular and Structure Formula of Fructose Fructose is a levorotatory monosaccharide, which means it rotates the plane-polarised light in the left direction. The chemical composition of fructose is C 6 H 12 O 6 but shows different bonding from glucose.
Common examples of simple sugars or monosaccharides are glucose and fructose. Both of these monosaccharides are referred to as hexoses since they have six carbons. Glucose is abundant in many plant sources and makes up sweeteners such as corn sugar or grape sugar.
