Cherrington C A, Allen V, Hinton M
Division of Veterinary Public Health and Food Safety, School of Veterinary Science, University of Bristol, Langford, Avon, UK.
J Appl Bacteriol. 1992 Jun;72(6):500-3. doi: 10.1111/j.1365-2672.1992.tb01866.x.
Acetic and lactic acids and BioAdd, a commercial preparation of formic and propionic acid, were tested at a concentration of 0.1% (w/w) at 20, 30, 40 and 50 degrees C and in the presence of organic material for bactericidal activity against Salmonella serotype Kedougou. BioAdd was the most active of the solutions at all temperatures, followed by lactic acid and acetic acid. The presence of horse blood at all four temperatures, and milk and serum at 50 degrees C, did not greatly affect the antibacterial activity of the acids although yeast extract (50 degrees C) provided some protection for the salmonella. Acid activity was related to low pH values although the bactericidal activity of acetic acid with blood and milk was greater than the unadulterated acid even though the pH was 0.4 units higher.
对乙酸、乳酸以及一种市售的甲酸和丙酸制剂BioAdd进行了测试,测试浓度为0.1%(w/w),测试温度为20、30、40和50摄氏度,且测试是在存在有机物质的情况下针对沙门氏菌血清型凯杜古进行杀菌活性测试。在所有温度下,BioAdd都是活性最强的溶液,其次是乳酸和乙酸。在所有四个温度下,马血的存在,以及50摄氏度时牛奶和血清的存在,对这些酸的抗菌活性影响不大,尽管酵母提取物(50摄氏度)为沙门氏菌提供了一定保护。酸的活性与低pH值有关,尽管乙酸在与血液和牛奶混合时的杀菌活性比纯酸更强,即便此时pH值要高0.4个单位。