|oxaloacetic acid (ŏk'sə-lō-ə-sē'tĭk, ŏk-sāl'ō-) or oxalacetic acid (ŏk'sə-lō-ə-sē'tĭk, ŏk-sāl'ō-) Pronunciation Key
A colorless crystalline organic acid 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. Chemical formula: C4H4O5.
|an acid formed by oxidation of maleic acid (as in metabolism of fats and carbohydrates)|