oxaloacetic acid

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Related to oxaloacetic acid: salicylic acid, malic acid

ox·a·lo·a·ce·tic acid

 (ŏk′sə-lō-ə-sē′tĭk, ŏk-săl′ō-) or ox·al·a·ce·tic acid (ŏk-săl′ə-sē′tĭk, ŏk′sə-lə-)
A colorless crystalline dicarboxylic acid, C4H4O5, that is formed by oxidation of malic acid in the Krebs cycle and by transamination from aspartic acid. It is important as an intermediate in the metabolism of carbohydrates and a precursor in the synthesis of amino acids.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ox′a•lo•a•ce′tic ac′id

(ˈɒk sə loʊ əˈsi tɪk, ˌɒk-, ɒkˈsæl oʊ-, -ˌsæl-)

a crystalline organic acid, C4H4O5, an important intermediate in the Krebs cycle, where it is formed by the oxidation of malic acid and is acetylated to form citric acid.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.oxaloacetic acid - an acid formed by oxidation of maleic acid (as in metabolism of fats and carbohydrates)
acid - any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
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References in periodicals archive ?
Tricarboxylic acid standards [glutamic acid ([greater than or equal to] 99%), citric acid ([greater than or equal to] 99%), isocitric acid ([greater than or equal to] 93%), [alpha]-ketoglutaric acid ([greater than or equal to] 99%), malic acid ([greater than or equal to] 99%), oxaloacetic acid ([greater than or equal to] 97%), succinic acid ([greater than or equal to] 9%), and fumaric acid ([greater than or equal to] 99%)] were purchased from Sigma[R] (Sigma-Aldrich Company Ltd., Dorset, UK).
The enzyme citrate synthase catalyzes the formation of citrate from acetic acid and oxaloacetic acid in the first step of Krebs cycle.
Specifically, the following biochemical measurements were done: serum electrolyte, urea and creatinine levels, serum fasting blood sugar (FBS), serum aspartate aminotransferase (AAT)/ glutamic oxaloacetic acid transaminase (SGOT), alanine aminotransferase (ALT)/ serum glutamic-pyruvic transaminase (SGPT), total bilirubin, serum amylase, serum cholesterol, very low-density lipoprotein (VLDL) and lactate dehydrogenase (LH).