malic acid or oxyantaric acid powder in petri dish on white background, top view. food additive e296, preservative used in the

malic acid acidity regulator solubility white chemical powder number food additives e296 preservative hydroxybutanedioic carboxylic sodium malate crotonaldehyde 2hydroxybutanedioic succinic enantiomers 2hydroxysuccinic organic salt compound oxyantaric molecular formula c4h6o5 sour taste fruits additive lisomer natural anion petri dish background top view isolated used preparation soft drinks confectionery view confectionery c4h6o5