Malic acid is a natural acid found in fruits like apples, while maleic acid is a synthetic acid used in industrial processes.
Malic acid [(HOOC)CH2-CH(OH)(COOH)]was first isolated from apple juice by the Swedish chemist,Carl Wilhelm Scheele(1742-1786),in 1785(1).Scheele simply referred to it as "acid of apples"or as acide de pommes in French.Two years later,in 1787,Lavoisier and his collaborators,in their ...
: a crystalline dicarboxylic acid C4H4O4 that is isomeric with fumaric acid and is used especially in organic synthesis Word History Etymology French acide maléique, alteration of acide malique malic acid; from its formation by dehydration of malic acid First Known Use 1838, in the meaning ...
Production of D-Malic Acid from Maleic Acid by Resting Cells of Ustilago sphaerogena Strain S402 Nakajima Toshiaki , Manzen Satoko , Shigeno Toshiya , Nakahara Tadaatsu Bioscience, biotechnology, and biochemistry 57(3), 490-491, 1993-03-23...
Dispersing rosin latex Water soluble epoxy resin DL-Asparagine monohydrate PR-I retanning agent DL-Malic acid Tetrahydro-4,7-epoxyisobenzofuran-1,3-dione Dioctyl maleate N-Ethylmaleimide Di-(2-Ethylhexyl)4,5-Epoxytetrahydrophthalate antistatic finish agent for synthetic fiber Dibutyltin maleate SULF...
malic acid reacts with acetyl chloride at a certain temperature. After the reaction, it is distilled and recrystallized from chloroform to obtain pure maleic anhydride. Last Update:2022-01-01 09:26:25 Maleic anhydride - Supplementary Information Open Data Unverified Data category Toxic grade pois...
malic acid reacts with acetyl chloride at a certain temperature. After the reaction, it is distilled and recrystallized from chloroform to obtain pure maleic anhydride. Last Update:2022-01-01 09:26:25 ANHYDRIDE MALEIC - Supplementary Information Open Data Unverified Data category Toxic grade pois...
The MA, SA, fumaric acid (FA), and malic acid (MLA) standards (Sigma Aldrich) were analytical grade and used without purification. The reaction was conducted at varying temperature, hydrogen pressure, and reaction time. Conversion and selectivity were calculated as follows: Conversion (%) = ...
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Aspartic acid, maleic acid, acrylic acid, malic acid, glycine, glycolic acid, iminodiacetic acid, nitrilotriacetic acid, alpha-alanine, beta-alanine, iminodipropionic acid, fumaric acid, a synthetic amino acid; biodegradabledoi:US20010034318 A1where R 3 represents hydrogen or an unsubstituted or ...