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Personal Nutrition Study Guide

by: Tatyana Mims

Personal Nutrition Study Guide

Tatyana Mims
GPA 3.0

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About this Document

I just made this study guide & it just has the main focus of things she made important for the first test.
Personal Nutrition
Study Guide
personal nutrition, Hasin
50 ?




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This 3 page Study Guide was uploaded by Tatyana Mims on Sunday February 7, 2016. The Study Guide belongs to at Southern Illinois University Carbondale taught by Hasin in Spring 2016. Since its upload, it has received 66 views. For similar materials see Personal Nutrition in Health Sciences at Southern Illinois University Carbondale.


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Date Created: 02/07/16
Study Guide Behavioral & social sciences  Why we eat  What we eat Biological, chemical, physical & food sciences  How the food affects our bodies & health 6 Basic Groups (Nutrients)  Macronutrients o Carbohydrates o Proteins o Fats o Water  Micronutrients o Vitamins o Minerals Why Do We Eat?  Hunger o Physiological drive to eat  Appetite o Psychological drive to eat o Appetite may or may not be associated with hunger Consumer Sources of Nutrition Information (Top 3)  Television  Magazines  Internet ABC’s of Healthful Eating  Adequate diet  Balanced diet  Calorie control Cause of Death – 2000 (United States & Canada)  *Heart disease  *Cancer  *Stroke  Lung cancer  Unintentional  Pneumonia  Diabetes  HIV  Suicide  *Chronic liver disease My Pyramid  Grains o 6 oz everyday  Veggies o 2 ½ cups everyday  Fruits o 2 cups everyday  Milk products o 3 cups everyday  Meat & Beans o 5 ½ oz everyday  Nutrient Density: what we need vs what we eat o Lower in calories but higher in everything else Stomach  Holds about 1 to 1 ½ qts of liquids  Takes 4 hours for the stomach to empty after a meal o Mechanical digestion  Food processor o Gastic juices  Enzymes  Hydrochloric acid  Mucus o Chyme (KIME) Small Intestine  Most digestion takes place  Almost all food absorption  3 parts = ~20 ft o Duodenum (10 in) o Jejunum (8 ft) o Lleum (12 ft)  Villi o Microvilli o Each villi contains as many as 1000 microvilli o Increases surface area 600 times o Villi & microvilli increase surface of small intestine to > 300 square yards  Carbohydrates (C, H, O) o Elements:  Carbon  Hydrogen  Oxygen Carbohydrates Simple Complex Carbohydrates Carbohydrates Simple Sugars Starches Dietary fiber  Dietary fiber o Insoluble o Soluble  Not a source of energy o Humans cannot digest fiber  Valuable o Because we can’t digest it!  Sugars & starches: 4 kcal gram  Fiber:0 kcal/gram  Carbohydrate: 4 kcal/gram  Protein: 4 kcal/gram  Fat: 9 kcal/gram  Alcohol: 7 kcal/gram Too much carbohydrate?  Some stored as glycogen (in liver and muscles)  Excess converted to fat & stored Refinement  Refine- re-move o Removes bran (fiber-rich) & germ (vitamin-rich) o Leaves endosperm (powdery, white starch) Enrichment  To add o Vitamins o Nutrients Fortification  Nutrients added to prevent nutrient deficiency diseases


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