Sweet facts about sugars
Glucose: It is also called 'grape sugar'. It acts as an immediate source of energy. It is a monosaccharide. Brain can utilize only glucose as source of energy. It is an aldose sugar.
Fructose: It is also called 'fruit sugar'. It is also a monosaccharide. It is a ketose sugar.
Lactose: It is called milk sugar. It is a disaccharide. It is made up of glucose and galactose. It is digested by an enzyme called 'lactase'. Some people may suffer from 'lactose intolerance'.
Sucrose: It is called 'cane sugar'. It comprises glucose and fructose.
Trehalose: It is called insect sugar.
The enzyme that digests sucrose is called 'sucrase'. It is also referred to as 'invertase'.
Lactose is digested by 'lactase'. It is also called 'Beta galactosidase'.
Maltose is digested by 'maltase'. It is also called 'alpha glucosidase'.
Trehalose is made up of two glucose units.