Aromatic Amino Acids
Group of amino acids characterized by side chains consisting of flat ring structures.
Estimated energy contribution from each gram of protein, fat and carbohydrate.
Biotin-binding protein produced by birds and reptile and found in egg white.
Imbalance of commensal bacteria on or in the body.
The amount of an ingested nutrient that is absorbed and available for use by the body.
Organic pigments found in plants, some of which can be metabolized to vitamin A when ingested by animals.
A mineral that able to bind and prevent absorption of other minerals.
Form of vitamin D (D3) synthesized by animals.
Small non-protein carbon-containing (i.e., organic) molecules that bind to an enzyme and are required for biological activity.
Small non-protein compound that binds to a protein to facilitate or increase the rate of biological activity; may be organic (i.e., coenzymes) or inorganic (i.e., minerals).
Conditionally Essential Nutrients
Amino acids, fatty acids, vitamins, and minerals that have limited de novo synthesis by animals and during specific periods of high nutrient demand (such as growth or gestation) may be required in the diet.
Dibasic Amino Acids
Group of amino acids characterized by side chain consisting of a second basic group.
The ability of a protein, fat or carbohydrate to be broken down and absorbed by the body.
Carbohydrate molecule comprised of two monosaccharide subunits.
Dry Matter Basis
Nutrient percentage of a feed when water has been removed.
Signaling molecules made from the oxidation of 20-carbon fatty acids by either lipoxygenase (LOX) or cyclooxygenase (COX) enzymes.
Form of vitamin D (D2) synthesized by plants and fungi.
Amino acids, fatty acids, vitamins, and minerals that are required for biological activity and function of a particular system, but are not synthesized (or synthesized in adequate amount) in the body and as such are required in the diet.
Glucogenic Amino Acids
Amino acids that can be converted to glucose via gluconeogenesis.
The effect of a particular food or meal on elevating blood sugar levels.
High Density Lipoprotein
The smallest of the lipoprotein molecules with the lowest ratio of fat to protein. Used to transport lipid and cholesterol from the periphery to the liver and other end organs (such as adrenals and ovary/testes) for further metabolism.
Ketogenic Amino Acid
Amino acids that can be converted to acetyl-CoA for use in the tricarboxylic acid cycle.
Low Density Lipoprotein
Intermediate in size of the lipoprotein molecules with a larger ratio of fat to protein compared to high density lipoproteins. Formed from removal of lipids and cholesterol from very low density lipoproteins in the peripheral circulation.
Essential nutrients required in gram daily amounts in the diet.
Cross linkage of amino acids (such as lysine, tryptophan, and proline) with sugar molecules that occurs with heat processing during food preparation. Also referred to as non-enzymatic browning.
Presence of immature and dysfunctional red blood cells (megaloblasts) in peripheral circulation that has resulted from cobalamin and/or folate deficiency.
Modified Atwater Factors
Estimated energy contribution from each gram of protein, fat and carbohydrate in commercial dog and cat foods with an assumed decrease in bioavailability.
Simplest carbohydrate consisting of single sugar molecules.
Amino acids, fatty acids, vitamins and minerals that are have adequate de novo synthesis from other dietary constituents.
Measure of osmoles in a kilogram of solvent (osmol/kg).
Measure of osmoles in a litre of a liquid solution (osmol/l).
Orthopaedic disease in young, rapidly growing animals; multifactoral but often associated with excess energy and/or calcium intake resulting in a disruption of epiphyseal blood supply and defect in endochondral ossification.
Characteristics of a food that make it appear pleasing and acceptable to an animal.
A carbohydrate molecule comprised of multiple monosaccharide subunits.
Polyunsaturated Fatty Acid
Long chain fatty acids with 2 or more double bonds in the carbon backbone.
Alcohol form of vitamin A found in circulation.
Generalized loss of lean body (i.e., muscle) mass with maintenance of adipose tissue.
Thermic Energy of Food
Increase in metabolic rate following ingestion of a meal; influenced by macronutrient composition.
General term for the family of vitamin E compounds.
Essential nutrients required in milligram to microgram daily amounts in the diet.
Very Low Density Lipoprotein
Intermediate in size of the lipoprotein molecules with a larger ratio of fat to protein compared to low density lipoproteins. Synthesized in the liver and used to transport lipids and cholesterol to the peripheral tissues.
Date reviewed: 22 May 2015
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