PPT-15.5 Disaccharides

Lactose is a disaccharide found in milk and milk products It contains the monosaccharides galactose and glucose Learning Goal Describe the monosaccharide units and linkages in disaccharides. C483 Spring 2013. 1. Examine . the Fischer projection below. How is this carbohydrate classified?.  . A. ) L enantiomer; . aldopentose. . . B. ) L enantiomer; . ketopentose. . . C. ) D enantiomer; . Macromole cule (polymer) Functional Groups, Basic Formula Monomer Subgroups Examples Uses Carbo - hydrates C:H:O 1:2:1 Mono - saccharide Monosaccharides - simple sugars Disaccharides - double sugar Chapter 8. Food chemistry. Macro ( major) nutrients. Carbohydrates. Fat. Protein. Water. Micro (minor) nutrients. Organic acids. Pigments and colorants. Vitamins and minerals. Macronutrients: Carbohydrates. Chapter 10, . Stryer. Short Course. Basics of Carbs: Discussion Section. Recognize and draw particular carbohydrate structures. Know general structural elements of straight chain and cyclic monosaccharides . Assistance Lecturer . Amjad. Ahmed . Jumaa. Carbohydrates; mono . saccharides.. Osazone. formation.. Disaccharides. ; poly . saccharides.. amino . acids and . proteins. Properties . of amino acids.. OLIGO- . AND . POLYSACCHARIDES. Carbohydrates compounds in contrast of . monosaccharaides . are exposed to hydrolysis with formation of simpler carbohydrates. Carbohydrates compounds are subdivided on:. Biologically Important . Molecules. . There are four biologically important groups of molecules found in living organisms.. . . They are:. Carbohydrate. . . Biologically Important . Molecules. . Carbohydrates Carbohydrates serve a variety of functions E nergy storage and food Structure and support Lubrication Protection Recognition and signaling Component of nucleotides starch mucin (glycoprotein) Versus. Enzymatic Hydrolysis (Sucrase/. Invertase. ). Fischer Projection of a-D-Glucose. Haworth Projection of a-D-Glucose. Chair form of a-D-Glucose. . Reducing End of. Glucose/Fructose. Sucrose. : prevalent in sugar cane and sugar beets, is composed of glucose and fructose through an . monosaccharides. . galactose. and glucose.. Learning Goal . Describe the monosaccharide units and linkages in disaccharides.. Disaccharides. A . disaccharide . consists . of two . monosaccharides linked together.. Carbohydrates. Carbohydrates are compounds containing carbon, hydrogen, and oxygen in which the ratio of . C:H:O . is. 1:2:1.. They are . carbon hydrates. with a general empirical formula of: . a disaccharide found in milk and milk products. It contains the . monosaccharides. . galactose. and glucose.. Learning . Goal . Describe the monosaccharide units and linkages in disaccharides.. Disaccharides. DR. SHAIMAA MUNTHER. Introduction. Carbohydrates are the key source of energy used by living things.. Also serve as extracellular structural elements as in cell wall of bacteria and plant. . Carbohydrates are defined as polyhydroxy aldehydes or polyhydroxy ketones.. Asymmetric carbons. Stereoisomers. R,S nomenclature. Racemic mixtures. Fischer projection. Naming Monosaccharides. Named on the basis of. . Functional groups. Ketone carbonyl =. . ketose. Aldehyde carbonyl =.