21-1 Classification of Carbohydrates Carbohydrates are classed as simple or complex 量 Simple sugars,or monosaccharides Carbohydrates like glucose and fructose that cannot be converted into more simple sugars by hydrolysis Complex carbohydrates Made up of two or more simple sugars Sucrose is a disaccharide comprised of one glucose and one fructose Cellulose is a polysaccharide comprised of several thousand linked glucose units CH2OH HO HOCH2- Hao 1Glucose 1Fructose CH2OH HOHO Sucrose (a disaccharide) CH2OH 0 CH2OH 0 -3000 Glucose HO OH HO 一0之 OH Cellulose (a polysaccharide)Carbohydrates are classed as simple or complex ▪ Simple sugars , or monosaccharides ▪ Carbohydrates like glucose and fructose that cannot be converted into more simple sugars by hydrolysis ▪ Complex carbohydrates ▪ Made up of two or more simple sugars ▪ Sucrose is a disaccharide comprised of one glucose and one fructose ▪ Cellulose is a polysaccharide comprised of several thousand linked glucose units 21-1 Classification of Carbohydrates