Lesson 1 Outline_Calories

Lesson 1 Outline_Calories - Lecture Lesson 1 and Caloric...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Lecture 2: Calories and Caloric Needs Lesson 1 Lesson 1 1. 6 Major Nutrients in Food: Nutrient- a substance in food used by the body to gain energy, synthesize tissue, regulate  functions. Essential nutrient- need to be obtained from food since body can’t make them or make enough  of them.   6 categories: Water, Carbohydrates, Lipids (fats and oils), proteins, vitamins, and  minerals.  Lack of leads to a deficiency Deficiency- lack of essential nutrient in the diet.  Leads to problems such as goiders.   2. 3 Major Functions of Dietary Nutrients: a. Contribute to cell and body structture b. Provide Energy c. Regulate body processes Macronutrients nutrients needed in large quantities (carbs proteins and fats) water is not  considered a nutrient Micronutrients vitamins and minerals.  Required in small amounts in the body.   3. Key Differences Among Nutrients: separated by function Cell and body structure: lipids, protein, water, minerals Provide energy: carbohydrates, lipids, protein Regulate body processes: lipids, proteins, water, vitamins and minerals 4. Organic vs Inorganic Nutrients: a. Organic= contain carbon: carbs, lipids, proteins, vitamins b. Inorganic= no carbon: minerals and water 5. Energy in Foods potential of our body to extract energy in the food 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Lecture 2: Calories and Caloric Needs Lesson 1 Lesson 1 1 kcal = the amount of energy needed to raise the temp of a kilogram of water 1 degree celsius 1 food calorie =  1 kilocalorie (kcal)=1000 calories 6. Measuring Food Energy Bomb calorimeter: measures food energy .  Place pure food inside a chamber, surrounded by 1  kilogram of water.  As food burns it releases energy which heats water and then rise in temp is  measured.  1 kcal raises 1 kilgram of water 1 degree celsius Food energy values: Carbohydrates 4 cal/gram Proteins 4 cal/gram Lipids (fat) 9 cal/gram
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/30/2008 for the course FOOD SCI 120 taught by Professor Ingraham during the Spring '08 term at Wisconsin.

Page1 / 8

Lesson 1 Outline_Calories - Lecture Lesson 1 and Caloric...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online