04 - The Functions of foods source of energy source of...

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The Functions of foods •source of energy •source of essential nutrients •an interacting media •pleasure of eating
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Glucose Fructose Galactose Glucose + Glucose = maltose Glucose + Fructose = sucrose Glucose + Galactose = lactose
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Glucose + glucose Maltose An OH group from one glucose and an H atom from another glucose combine to create a molecule of H 2 O. The two glucose molecules bond together with a single O atom to form the disaccharide maltose.
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Bond broken Maltose Glucose + glucose Bond broken The disaccharide maltose splits into two glucose molecules with H added to one and OH to the other (from the water molecule).
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Starch (amylose) Glycogen A glycogen molecule contains hundreds of glucose units in highly branched chains. Each new glycogen molecule needs a special protein for the attachment of the first glucose (shown here in red). A starch molecule contains hundreds of glucose molecules in either occasionally branched chains (amylopectin) or unbranched chains (amylose). Stepped Art
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04 - The Functions of foods source of energy source of...

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