Title: Integrated Web Site to Accompany Discovering Nutrition, Second Edition
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Chapter 5 Interactive Summaries

What are Carbohydrates?

Carbohydrates are organic compounds that contain carbon, oxygen, and hydrogen. The two main types of sugars are monosaccharides and disaccharides. Glucose, , and fructose are the three most common . Disaccharides are created when monosaccharides are joined. is the most abundant simple carbohydrate unit in nature. It makes up at least one of the two sugar molecules in every . also known as levulose tastes the sweetest of all sugars. is usually chemically bonded to glucose to form lactose.

When a food label lists sugar as an ingredient the term refers to . Human milk tastes sweeter than cow's milk because it has a higher concentration of lactose. When digestive enzymes break down starch in the mouth, a sweet taste is sensed. This sweet taste can be attributed to .

 
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