... water and alcohol, a king of stronger organic acid. 2,Maleic acid has become a new acidulant in food and beverage ... taste in food and beverage. At the present time Maleic acid is mainly used in syrup, readytea, orange juice, ... used to manufacture unsaturated polyester resin, pesticide, tartaric acid, fumaric acid, succinic acid, DL-Malic acid, dyeing auxiliary and preservative grease. 4,Kept airtightly ...