| levulinic | <chemistry> Pertaining to, or denoting, an acid (called also acetyl-propionic acid), C5H8O3, obtained by the action of dilute acids on various sugars (as levulose). Alternative forms: laevulinic. Source: Websters Dictionary (01 Mar 1998) |
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| levulinic acid | 4-Oxopentanoic acid;CH3COCH2CH2COOH, formed by the action of hot, strong acids on hexoses. See: d-aminolevulinic acid. Synonym: levulic acid. (05 Mar 2000) |
| levulinic acids | Keto acids that are derivatives of 4-oxopentanoic acids (levulinic acid). (12 Dec 1998) |