NUTR 201 Chapter Notes - Chapter 1: Nutrient, Inorganic Compound, Biological Engineering
Document Summary
Nutrition the science of how living organisms obtain and use food to support processes required for life. Nutritional sciences a person who conducts and/or evaluates nutrition-related research. Dietitian: a nutritionist who helps people make healthy diet choices. Nutrients support all we do: nutrients a substance in foods used by the body for energy, maintenance of body structures, or regulation of chemical processes. Example: carbohydrates supply energy to fuel your body"s activities. Foods contain nutrients and nonnutrients: scientists classify nutrients into 6 categories based on their chemical structure and composition. Vitamins & minerals: essential, nonessential, and conditionally essential nutrients. Essential nutrients a substance that must be obtained from the diet because the body needs it and cannot make it in required amounts. Nonessential nutrient a substance found in food and used by the body to promote health, but not required to be consumed in the diet. Conditionally essential nutrient normally nonessential nutrient that, under certain circumstances, becomes essential: macronutrients vs. micronutrients.
