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dietary fiber

complex carbohydrate that aids elimination and may help prevent heart disease and cancer


nutrients that are chemical elements needed for enzyme processes and bone formation

nutrient density

a measure of the nutrients in a food compared with the energy a food provides

Recommended Dietary Allowance

recommendednutrient intake that meets the needs of most healthy people


the study of food and the ways in which the body uses food


a class of nutrients containing simple sugars, starches, glycogen, and dietary fiber

unsaturated fatty acids

fatty acids in which the carbon atoms do not hold the maximum number of hydrogen toms


class of nutrients consisting of long chains of amino acids, which are needed to build and repair body structures and to regulate processes in the body.


nutrient required for transport, elimination, and temperature regulation, as well as almost every other bodily function


dietary pattern that includes few or no animal products

healthful meals and/or healthful snacks

nutrient-dense foods that help meet your needs and maintain a healthy weight

the six classes of nutrients

carbohydrates, fat, proteins, water, minerals and vitamins

nondairy sources of calcium

dark-green leafy vegetables; tofu; and bony fish

Food Guide Pyramid

a tool for choosing a healthful diet by selecting a recommended number of servings from each of six food groups

incomplete protein

plant proteins that lack or contain smaller amounts of some essential amino acids than are needed by the body


a unit of food energy measurement


class of energy-giving nutrients including sugars and starches

vitamin A

carbon-containing nutrient that keeps eyes and skin healthy


class of energy-giving nutrients that are the main form of energy storage in the body


a complex carbohydrate that is stored in liver and muscles and can be used as a quick source of energy

vitamin K

carbon-containing nutrient that aids in blood clotting


a mineral that prevents birth defects


mineral needed for development and maintenance of bones and teeth


mineral needed for production of hemoglobin


mineral needed for maintenance of fluid balance, transmission of nerve impulses, and muscle contraction


mineral needed for production of digestive enzymes and growth and healing

vitamin E

fat-soluble vitamin that protects cell membranes from damage

vitamin D

fat-soluble nutrient that enables the absorption of calcium and phosphorus in the intestine

vitamin C

promotes healing of wounds and healthy germs


needed for protein metabolism

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