1 / 28

Disaccharides

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.

mfrith
Télécharger la présentation

Disaccharides

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Disaccharides

  2. Disaccharides

  3. Disaccharides - Maltose • Glucose + glucose; alpha acetal linkage

  4. Lactose

  5. Lactose • Galactose + glucose; beta acetal linkage

  6. Sucrose

  7. Sucrose • Glucose + fructose; alpha acetal linkage

  8. Sucrose

  9. Polysaccharides

  10. Polysaccharides

  11. Starch and amylopectin • Alpha acetal linkage

  12. Starch and amylopectin • Alpha acetal linkage

  13. Starch and amylopectin • Alpha acetal linkage

  14. Cellulose • Beta acetal linkages; Plant structures

  15. Cellulose • Beta acetal linkages; Plant structures

  16. Glycogen • Alpha acetal linkages; mammal storage form

  17. Blood Glucose Test • Oxidation of aldehyde --> acid

  18. Starch Iodine Test • Iodine goes into the spiral of starch

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

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

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

  22. Sugar and Sweetners • Aspartame Synthesis: Ester and Amide

  23. Sugar and Sweetners • Aspartame and Sweetness Receptor Site

  24. Sugar and Sweetners • Aspartame and Sweetness Receptor Site

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

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

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

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

More Related