BIOLOGY 105 Chapter Notes - Chapter 2: Energy Density, Refined Grains, Myplate
Document Summary
Lecture 2 reading guide reading assignment: identify the primary characteristics of a healthy diet. Variety, balance, adequacy, moderation: define nutrient and energy density and describe why it is necessary to consider these factors when making food selections. Nutrient density - the amount of nutrients supplied by a food in relation to the number of calories in that food. Energy density - the amount of energy or calories in a given weight of food; generally presented as the number of calories in a gram (kcal/g) Eating a low energy dense diet allows you to eat a larger volume of food, all while maintaining energy balance and receiving the proper nutrients: identify the key excesses and inadequacies of the current average american diet. Excesses in solid fats and added sugars, refined grains, sodium, and saturated fat. Inadequacies: whole grains, veggies, fruits, dairy, seafood, oils, fiber, potassium, vitamin.
