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

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Presentation on theme: "Disaccharides. Disaccharides - Maltose Glucose + glucose; alpha acetal linkage."— Presentation transcript:

1 Disaccharides

2

3 Disaccharides - Maltose Glucose + glucose; alpha acetal linkage

4 Lactose

5 Galactose + glucose; beta acetal linkage

6 Sucrose

7 Glucose + fructose; alpha acetal linkage

8 Sucrose

9 Polysaccharides

10

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


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