The subject invention provides compositions and methods for preserving food products. Specifically, the subject compositions and methods can be used to prolong the consumable life of food products, as well as to reduce and/or prevent spoilage and/or contamination by microbial agents. The compositions comprise a blend of one or more glycolipids and one or more lipopeptides. The compositions comprise sophorolipids and surfactin, lichenysin or another lipopeptide biosurfactant.