HUN 2201 Chapter Notes - Chapter 1: Dietary Supplement, Cholesterol, Nutrigenomics

• School: University of Florida
• Department: Food Science and Human Nutrition
• Course: HUN 2201
• Professor: Kowalewska Agata

Document Summary

Nutrition and our diet living organisms and food: nutrients- need to keep us alive, healthy, american diet, nutrition- a science that studies all the interactions that occur between. Easier to obtain food the amount of food consumed has increased. Food provides nutrients: essential nutrients- must be supplied to support life. Either not made in the body or not enough is made in the body. Zoochemicals- nonnecessary nutrients from animals: 6 classes of nutrients. Energy yielding nutrients/macronutrients (needed in large quantities, measured in kg or g) Energy provided by carbs, lipids, and proteins is measured in kilocalories/kilojoules: calorie is 1/1000 of a kcal but calorie is a kcal. Carbs, lipids, and proteins are organic molecules and therefore are called organic nutrients. Carbohydrates: 4 kcal of energy per gram, sugar is the simplest carb, starches are more complex, fiber is considered to be a carb.