and fermentation technology has great potential

malic acid, that is, 2-hydroxysuccinic acid, has an asymmetric carbon atom in its molecule, so it has two stereoisomers, namely d-malic acid (dextrorotatory form) and l-malic acid. acid (levorotary body), in addition to the above two forms, there is also a kind of dl-malic acid in nature consisting of its mixture. among them, most of…