Chapter 2- Nutritional Needs Flashcards
Nutrition
The study of how your body uses the nutrients in the foods you eat
Nutrient
A chemical substance in food that helps maintain the body
Malnutrition
A lack of the right proportions of nutrients over an extended period
Deficiency disease
An illness caused by the lack of a sufficient amount of a nutrient
Dietary supplements
Purified nutrients that are manufactured or extracted from natural sources
Phytochemical
Compounds from plants that are active in the human body
Fortified foods
Foods to which nutrients are added in amounts greater than what they would naturally occur in the food
Carbohydrates
The body’s chief source of energy. Three main types carbohydrates important to the body: sugars, starches, and fiber. Most carbohydrates come from plant foods.
Glucose
The form of sugar carried in the bloodstream for energy used throughout the body
Fiber
A form of complex carbohydrates from plants that humans cannot digest. Promotes normal bowel function
Fat
Belong to a larger group of compounds called lipids, which include both fats and oils
Fatty Acid
Chemical chains that contain carbon, hydrogen, and oxygen atoms.
Hydrogenation
Adds hydrogen atoms to unsaturated fatty acids in liquid oils
Trans fatty acids
Are formed when oils are partly hydrated
Cholesterol
A fatlike substance found in every cell in the body
Protein
Chemical compounds that are found in every cell
Amino acids
Small units that protein is made up of