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Carbohydrates glucose C6H12O6 [C.H2O]6
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monosaccharide
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disaccharide
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trisaccharide
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starch, cellulose polysaccharide
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polyhydroxyaldehyde aldopentose
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polyhydroxyketone ketohexose
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-D-arabinose a furanose
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anomers
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mutarotation [] = 80.2˚
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a glycoside
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Disaccharides Lactose
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-1,4-glycosidic linkage
undergoes mutarotation
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an -glycosidic linkage
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Oxidations of Sugars
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oxidizing agents: Ag(NH3)2+, Cu2+/OH-
sugars that react with these oxidizing agents are called reducing sugars these monoacids are called aldonic acids
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a nonreducing sugar
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Glycolysis
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Glycolysis
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Glycolysis
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Glycolysis
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Glycolysis
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Glycolysis
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Reduction of the carbonyl group
Alditol formation
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HO-Br
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an aldaric acid
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IO4- oxidation
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Fischer-Kiliani Synthesis
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epimers
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