Outline Week 4, Lecture 2 page 1

Outline Week 4, Lecture 2 page 1 - • Complementary...

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HHS 231 Fall 2007 Outline for Week 4, Lecture 2 “Protein, Vegetarianism, and Popular Diets What Are Proteins? Proteins: large complex molecules composed of amino acids Essential amino acids: cannot by produced by human body Nonessential amino acids: can be produced by human body Proteins are the main source of…nitrogen Proteins in the Diet Complete protein: contain enough of all 9 essential amino acids Considered a “high quality” protein Incomplete protein: does not contain all essential amino acids Not sufficient for growth and health Considered a “low quality” protein
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Unformatted text preview: • Complementary proteins: two protein sources that together make a complete protein – Example: beans and rice – Eating complementary proteins together is known as mutual supplementation Why Do We Need to Eat Proteins? • The role of proteins includes: – contributing to…cell growth, repair, and maintenance • Important for recovery from resistance training – acting as…enzymes and hormones – helping maintain…fluid, electrolyte and pH balance – in some cases, serving as…energy source • This is not a primary function • Excess protein is… eventually stored as fat What a bummer, huh?...
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