- Sodium L-Aspartate amino acid intermed used in freshening agent and antiseptic in food industry - Iso,kosher,haccp,,for medic - ... Sodium L-Aspartate amino acid intermediate used in freshening agent and antiseptic in food industry- Aspartic acid sodium salt has ... fresh-display and antisepsis. It is widely used in freshening agent and antiseptic in food industry and can be used as ...