NSC 170C1 Lecture 5: nsc chapter 5 textbook
29 Sep 2016
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Taste of sugar, something sweet, can indicate that something has or is a carbohydrate. Sugars, starches, and most fibers are carbohydrates. Cells die without this form of energy. Component of lactose- form of carbohydrate in milk. Found naturally in fruit, honey, vegetables like cabbage, beans, and asparagus. Sugars added to food during processing or preparation. Each gram of mono- or disaccharides supplies 4 kcal. If sugars are first or second thing on food label, product probably has high amounts of it. Sweeteners added to food that have fewer or no calories. Can cause diarrhea in large amounts (except erythritol) Artificial sweetener with two amino acids- phenylalanine and aspartic acid. People with phenylketonuria must be careful with this. Rare inherited disorder where body doesn"t use phenylalanine properly. Plant and animal cells that combine glucose molecules into long chains called. Cells use polysaccharides to store energy and make structural components like stems/ leaves. Plants store glucose as polysaccharides called starch.
