520 likes | 2.36k Views
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.
E N D
Disaccharides - Maltose • Glucose + glucose; alpha acetal linkage
Lactose • Galactose + glucose; beta acetal linkage
Sucrose • Glucose + fructose; alpha acetal linkage
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