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Definition of Beta-hydroxybutyric acid
1. Noun. Beta derivative of hydroxybutyric acid that is found in the blood and urine in some cases of impaired metabolism.
Medical Definition of Beta-hydroxybutyric acid
1. CH3CH(OH)CH2COOH;the d-stereoisomer is one of the ketone bodies and is formed in ketogenesis; it is an important fuel for extrahepatic tissues; as an acyl derivative it is also an intermediate in fatty acid biosynthesis. The l-isomer is found as a coenzyme A derivative in b oxidation of fatty acids. Synonym: 3-hydroxybutanoic acid, beta-hydroxybutyric acid. D-3-hydroxybutyric acid dehydrogenase, an enzyme that reversibly catalyses the interconversion of the two main ketone bodies, catalyzing acetoacetate + NADH + H+ &dblarr; d-3-hydroxybutyrate + NAD+. (05 Mar 2000)
Lexicographical Neighbors of Beta-hydroxybutyric Acid
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