Ch 25 Carbohydrate Chemistry.ppt - Chapter 25 Carbohydrate...

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Chapter 25 Carbohydrate Chemistry Sucrose – -D-glucopyranosyl-(1-2)  -D-fructofuranoside
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Carbohydrates Monosaccharides L-Ascorbic Acid Ribose 2-Deoxyribose Fructose Glucose
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Carbohydrates Disaccharides Lactose Maltose Sucrose
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Carbohydrates Trisaccharides Kanamycin Gentamicin
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Carbohydrates Polysaccharides Starch Cellulose
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Carbohydrates Polysaccharides Heparin - Anticoagulant
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Carbohydrates Blood Group Antigens N-acetylgalactosamine Galactose Glycolipids
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Sweeteners Need for non-caloric and tooth-friendly sweeteners: Diabetes Weight control $12 Billion market worldwide Must be: Stable for storage pure Stable for storage in foods Stable for cooking
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Sweeteners
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Carbohydrates Carbohydrate = Saccharides = Sugars = Class of Compounds Biosynthesis in nature: Carbohydrate – Carbo Hydrate : C x (H 2 O) x Simplest saccharide: Glyceraldehyde
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Carbohydrates Classes of Carbohydrates: Monosaccharides Disaccharides Trisaccharides Oligosaccharides Polysaccharides
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Monosaccharides Classes of Monosaccharides: Trioses Tetroses Pentoses Hexoses Heptoses etc A hexose
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Monosaccharides Two Groups of Monosaccharides: Aldoses Ketoses An aldohexose A ketohexose Fructose Glucose
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Monosaccharides Two Series of Monosaccharides: A D-aldohexose An L-ketopentose Based on absolute stereochemistry of highest-numbered stereocenter. R = D sugar S = L sugar R = OH on right in Fischer Projection S = OH on left in Fischer Projection
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Monosaccharides D-Aldoses
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Monosaccharides D-Aldoses
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Monosaccharides D-Ketoses
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Monosaccharides L-Ketoses
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Monosaccharides to Know D-Glyceraldehyde D-Glucose
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Cyclic Monosaccharides
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