Carbohydrates.09w - Carbohydrates Food Sources, Forms,...

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    Carbohydrates Food Sources, Forms, Metabolism
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    Definitions “Hydrate” of carbon: (CH 2 O) n Produced by plants through  photosynthesis:  6 CO 2  + 6 H 2 O            C 6 H 12 O 6  + 6 O 2 Sun
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    Classification Simple  Sugars Glucose, fructose, galactose Sucrose, lactose, maltose Complex Starches Dietary fiber
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    Sugars Glucose, a monosaccharide glucose syrups made from corn starch Fructose, a monosaccharide Honey, fruits, enzyme conversion of glucose in glucose  syrup Sucrose, a disaccharide  Lactose, a disaccharide milk
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O HOH 2 C HO OH OH O CH 2 OH HOH 2 C HOH 2 C O HOH 2 C O HOH 2 C HO OH OH O CH 2 OH HOH 2 C HOH 2 C HO HOH 2 C Sucrose Sucrase H 2 0 OH + Glucose Fructose
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    High Fructose Corn Syrup Starch Glucose Glucose    Fructose Glucose  isomerase Amylase
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Sucrose and HFCS Sucrose Glucose + Fructose  chemically linked 50% fructose, 50%  glucose HFCS Glucose + Fructose not  chemically linked HFCS 55: 55% fructose,  45% glucose  HFCS 42: 42% fructose,  58% glucose
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Carbohydrates.09w - Carbohydrates Food Sources, Forms,...

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