sugar - made from one glucose and one galactose), maltose (made of two glucoses linked alpha-1,4) and cellobiose (made of two glucoses linked beta-1,4). The formula of these disaccharides is C12H22O11. Other examples of disaccharides include trehalose , chitobiose, laminaribiose, kojibiose and xylobiose. Oligosaccharides and polysaccharides Main articles: Oligosaccharide and Polysaccharide