| 摘要 |
Compositions having antimicrobial activity against a variety of microorganisms, including vegetative bacteria, bacterial spores, fungi, and fungal spores are particularly useful for microbiocidal treatments of a variety of substances. More specifically, compositions have antibmicrobial activity against microorganisms of the Bacillus cereus group such as Bacillu s cereus, Bacillus mycoides, Bacillus anthracis, and Bacillus thuringiensis ar e particularly useful. Compositions including hydrogen peroxide, a carboxylic acid, and a peroxycarboxylic acid in which the weight ratio of the preroxycarboxylic acid to the hydrogen peroxide is at least 4:1 are effectiv e against microorganims, particularly bacterial spores. Such compositions include a reduced amount of hydrogen peroxide relative to the amount of peroxycarboxylic acid as compared to conventional compositions. Compositions can also inlclude a quaternary ammonium compound, a stabilizing agent, a surfactant, a hydrotrope, or other additives. Methods of using a composition including hydrogen peroxide, a carboxylic acid, and a peroxycarboxylic acid in which the ratio of the peroxycarboxylic acid to the hydrogen peroxide is at least 4:1 are useful for reducing the microbial numbers on a variety of substances contaminated by microorganisms, particularly of the Bacillus cereusgroup. Such substances include foodstuffs, water, general-premise surfaces, specific-equipment surfaces, animal carcasses, soil, and textiles.
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