essential nutrient

essential nutrient
A compound that must be obtained from food for survival

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  • Essential nutrient — An essential nutrient is a nutrient required for normal body functioning that cannot be synthesized by the body and must be obtained from a dietary source. Some categories of essential nutrients include vitamins, dietary minerals, essential fatty …   Wikipedia

  • essential nutrient — Any substance required by living organisms to ensure normal growth, development and maintenance …   Glossary of Biotechnology

  • Nutrient — cycle in the oceans A nutrient is a chemical that an organism needs to live and grow or a substance used in an organism s metabolism which must be taken in from its environment.[1] They are used to build and repair tissues, regulate body… …   Wikipedia

  • Essential fatty acid — Essential fatty acids, or EFAs, are fatty acids that cannot be constructed within an organism from other components (generally all references are to humans) by any known chemical pathways; and therefore mustbe obtained from the diet. The term… …   Wikipedia

  • Essential amino acid — An essential amino acid or indispensable amino acid is an amino acid that cannot be synthesized de novo by the organism (usually referring to humans), and therefore must be supplied in the diet. Contents 1 Essentiality vs. conditional… …   Wikipedia

  • nutrient — ► NOUN ▪ a substance that provides nourishment essential for life and growth. ORIGIN from Latin nutrire nourish …   English terms dictionary

  • Nutrient cycle — …   Wikipedia

  • nutrient — /nooh tree euhnt, nyooh /, adj. 1. nourishing; providing nourishment or nutriment. 2. containing or conveying nutriment, as solutions or vessels of the body. n. 3. a nutrient substance. [1640 50; < L nutrient (s. of nutriens), prp. of nutrire to… …   Universalium

  • nutrient — A constituent of food necessary for normal physiologic function. [L. nutriens, fr. nutrio, to nourish] essential nutrients nutritional substances required for optimal health. These must be in the diet, because they are not formed metabolically… …   Medical dictionary

  • nutrient — noun a substance that provides nourishment essential for the maintenance of life and for growth. Origin C17: from L. nutrient , nutrire nourish …   English new terms dictionary

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