essential nutrient Those nutrients that are required by the body and cannot be synthesized in the body in adequate amounts to meet requirements, so must be provided by the diet: includes the essential amino acids and fatty acids, vitamins, and minerals. Really a tautology, since by definition nutrients are essential dietary constituents.
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essential amino acid , essential amino acid An amino acid that an organism is unable to synthesize in sufficient quantities. It must therefore be present in the diet. In hu… essential , es·sen·tial / iˈsenshəl/ • adj. 1. absolutely necessary; extremely important: it is essential to keep up-to-date records. ∎ fundamental or central to… Levocarnitine , carnitine A derivative of the amino acid lysine, required for the transport of fatty acids into mitochondria for oxidation. There is no evidence that… Alanine , alanine A non‐essential amino acid, found in all proteins. β‐Alanine is an isomer in which the amino group is attached to carbon‐3 rather than carbon… Arachidonic Acid , arachidonic acid A polyunsaturated fatty acid, CH3(CH2)3(CH2CH:CH)4(CH2)3COOH, that is essential for growth in mammals (see eicosanoid). It can be sy… Tyrosine , tyrosine A non‐essential amino acid, formed in the body from the essential amino acid phenylalanine, hence it has some sparing action on phenylalanin…
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