Abstract: An antimicrobial composition comprising (a) a cationic surfactant derived from the condensation of fatty acids and esterified dibasic amino acids, such as lauric arginate and (b) an antibiotic, such as of ?-lactam antibiotics, polypeptides, quinolones. The composition may be used as a stand alone antimicrobial formulation, or in combination with medical articles or medical devices.

Abstract: An antimicrobial composition comprising (a) a cationic surfactant derived from the condensation of fatty acids and esterified dibasic amino acids, such as lauric arginate, and (b) an iodinated sulfone compound such as diiodomethyl-p-tolylsulfone. The composition may be used as a stand-alone antimicrobial formulation, or in combination with medical articles or medical devices.

Abstract: An antimicrobial composition comprising (a) a cationic surfactant derived from the condensation of fatty acids and esterified dibasic amino acids, such as lauric arginate, and (b) an antimicrobial metal, such as elemental silver or alloys thereof or silver compounds. The composition may be used as a stand alone antimicrobial formulation, or in combination with medical articles or medical devices.

Abstract: An antimicrobial composition comprising: a complex of an anionic polyester with an antimicrobial cationic surfactant, wherein the anionic polyester has at least one carboxylic group. A medical device having an antimicrobial composition comprising: a complex of an anionic polyester with an antimicrobial cationic surfactant wherein the anionic polyester has at least one carboxylic group.

Abstract: Antibacterial compositions effective against both gram positive and gram negative vegetative bacteria plus harmful gram positive sporeforming bacteria include propionibacterial metabolites in combination with two or more of the following: a lantibiotic; a lytic enzyme; and an organic acid or its salt. Methods of use are provided, as well as food products treated with these antibacterial compositions.

Abstract: Antibacterial compositions effective against both gram positive and gram negative vegetative bacteria plus harmful gram positive sporeforming bacteria include propionibacterial metabolites in combination with two or more of the following: a lantibiotic; a lytic enzyme; and an organic acid or its salt. Methods of use are provided, as well as food products treated with these antibacterial compositions.

Abstract: An antibacterial composition comprising: (a) a first component including at least one gram positive bacteristatic or bactericidal compound selected from the group consisting of: antibiotics, pediocin, and lacticin class bacteriocins, and lytic enzymes; and (b) a second component including at least one compound selected from the group consisting of hops acids, or hops acid derivatives, hops resin; and hops resin derivatives; and the method of applying said composition to the surfaces of solid food.

Abstract: Antibacterial compositions effective against both gram positive and gram negative vegetative bacteria plus harmful gram positive sporeforming bacteria include propionibacterial metabolites in combination with two or more of the following: a lantibiotic; a lytic enzyme; and an organic acid or its salt. Methods of use are provided, as well as food products treated with these antibacterial compositions.

Abstract: An antibacterial composition comprising: (a) a first component including at least one gram positive bacteristatic or bactericidal compound selected from the group consisting of: antibiotics, pediocin, and lacticin class bacteriocins, and lytic enzymes; and (b) a second component including at least one compound selected from the group consisting of hops acids, or hops acid derivatives, hops resin; and hops resin derivatives; and the method of applying said composition to the surfaces of solid food.

Abstract: An antibacterial composition of matter comprising: (a) one or more hops acid or hops acid derivatives or hops resin or hops resin derivatives; and (b) one or more food grade surfactants, surface active agents, chelating agents, antioxidants, and/or organic acids is provided.

Abstract: An antibacterial composition comprising: (a) a first component including at least one gram positive bacteristatic or bactericidal compound selected from the group consisting of lantibiotics, pediocin, and lacticin class bacteriocins, and lytic enzymes; and (b) a second component including at least one compound selected from the group consisting of hops acids and hops acid derivatives, and the method of applying said composition to the surfaces of solid food.

Abstract: A method for eliminating, reducing or retarding the amount of gram negative bacteria in cut fruits, cut vegetables, seafood, meat strips or meat chunks comprising the steps of: (a) treating the surface of said fruits, vegetables, seafood or meat with a chemical having a pH of greater than 8.5 in an amount of effective to destroy or disrupt the outer membrane of said gram negative bacteria; and then (b) treating said surface with an effective amount of one or more agents having bactericidal activity against gram positive bacteria is provided.

Abstract: A composition of matter which demonstrates efficacy against both gram positive and gram negative bacteria containing: (a) a gram negative bacteria inhibiting effective amount of propionibacteria metabolites with the proviso that such metabolites not solely comprise propionic acid; (b) a gram positive bacteria inhibiting effective amount of a lantibiotic; and (c) a chelating effective amount of one or more phosphate salts which function as a chelating agent to bind the propionibacteria metabolites and lantibiotics to the surface of the substrate being treated and its method of use is provided.

Abstract: A food or beverage or animal feed composition which includes an antimycotic effective amount of propionibacteria metabolites with the proviso that such metabolites not solely contain propionic acid is provided. Also disclosed is the addition of a potentiator in combination with such metabolites.