释义 |
reducing sugar
reducing sugar[ri′düs·iŋ ‚shu̇g·ər] (organic chemistry) Any of the sugars that because of their free or potentially free aldehyde or ketone groups, possess the property of readily reducing alkaline solutions of many metallic salts such as copper, silver, or bismuth; examples are the monosaccharides and most of the disaccharides, including maltose and lactose. reducing sugar
re·duc·ing sug·ara sugar (for example, glucose in the urine) that has the property of reducing various inorganic ions, notably cupric ion to cuprous ion.reducing sugar a sugar containing free aldehyde (H -C=O) or keto (C=O) groups capable of reducing metal ions such as Cu+ and Ag+. Reducing sugars such as glucose and fructose will reduce solutions in Benedict's test and FEHLING'S TEST. |