Noun
A white, crystalline sugar, C6H12O6, isomeric with dextrose, obtained by the decomposition of milk sugar, and also from certain gums. When oxidized it forms mucic acid. Called also lactose (though it is not lactose proper).
Source: Webster's dictionaryAfter digestion and absorption the principal monosaccharides present in the blood and internal tissues include glucose, fructose, and galactose. Source: Internet
A molecule of lactose is formed by the combination of a molecule of galactose with a molecule of glucose. Source: Internet
Carbohydrates and miscellaneous contents A simplified representation of a lactose molecule being broken down into glucose (2) and galactose (1) Milk contains several different carbohydrate including lactose, glucose, galactose, and other oligosaccharides. Source: Internet
However, most lactose in breast milk is synthesized from galactose taken up from the blood, and only 35±6% is made from galactose from de novo synthesis. Source: Internet
However, these fibers are set in a matrix of glycoprotein containing the sugars galactose and mannose. Source: Internet
In 1856, Louis Pasteur crystallized the other component of lactose, galactose. Source: Internet