What Drives Our Food Choices?
We Need to Eat and Drink to Live
Nutrients: compounds in foods that sustain your body processes. There are 6 classes of nutrients: carbs, fats (lipids), proteins, vitamins, minerals and water
3 of 6 classes of nutrients: carbohydrates, fats, protein- provide energy in the form of kilocalories
2 of 6 classes of nutrients: vitamins and minerals, help regulate many body processes, including metabolism
1 of 6 class of nutrients- water
Kilocalories: the measurement of energy in foods. Commonly referred to as calories.
Metabolism: the numerous reactions that occur within the cell. The calories in foods are converted to energy in the cells of the body.
Phytochemicals: nonnutritive compounds in plant foods that may play a role in fighting chronic diseases
We Choose Foods for Many Other Reasons
Taste is #1
Taste and Culture
Social Reasons and Trends
Cost, Time, and Convenience
15% of Americans household experience food insecurity in 2008
Americans want to spend less than 15 min preparing a meal
Habits and Emotions
Ready to eat cereal are # 1 break food choice among Americans and citrus juice is top juice choice for most people in morning habit
Habit includes when you eat
What is Nutrition and Why I Good Nutrition So Important?
Nutrition: the science that studies how the nutrients and compounds in foods that you nourish and affect your body functions and health
Good nutrition playas a role in reducing the risk of many chronic diseases and conditions. Long-term imbalances of many nutrients will affect your health.
What Are the Essential Nutrients and Why Do You Need Them?
Macronutrients: the energy containing essential nutrients that you need in higher amounts; carbs, lipids (fats) and proteins
Micronutrients: essential nutrients that you need in small amounts; vitamins and minerals
Energy: carbs, proteins, fats
Growth maintenance, support or structure: protein, fats,