Disaccharides Disaccharides Disaccharides Maltose Glucose glucose alpha acetal

Disaccharides

Disaccharides

Disaccharides - Maltose • Glucose + glucose; alpha acetal linkage

Lactose

Lactose • Galactose + glucose; beta acetal linkage

Sucrose

Sucrose • Glucose + fructose; alpha acetal linkage

Sucrose

Polysaccharides

Polysaccharides

Starch and amylopectin • Alpha acetal linkage

Starch and amylopectin • Alpha acetal linkage

Starch and amylopectin • Alpha acetal linkage

Cellulose • Beta acetal linkages; Plant structures

Cellulose • Beta acetal linkages; Plant structures

Glycogen • Alpha acetal linkages; mammal storage form

Blood Glucose Test • Oxidation of aldehyde --> acid

Starch Iodine Test • Iodine goes into the spiral of starch

Sugar and Tooth Decay • Bacteria hydrolyze sucrose to fructose and polymerize the glucose to stick to enamel.

High Fructose Corn Syrup • Starch hydrolyzed, glucose isomerized to fructose

High Fructose Corn Syrup • Starch hydrolyzed, glucose isomerized to fructose

Sugar and Sweetners • Aspartame Synthesis: Ester and Amide

Sugar and Sweetners • Aspartame and Sweetness Receptor Site

Sugar and Sweetners • Aspartame and Sweetness Receptor Site

Sugar and Sweetners • Saccharin or Sweet’N Low - 1907

Sugar and Sweetners • Cyclamate - 1970 banned from use - caused bladder cancer in rats.

Sugar and Sweetners • Sucralose or Splenda - can be used in cooking

Sugar and Sweetners • Acesulfame-K - also known as Sunette, Sweet One, Sweet 'n Safe