如何選擇消毒劑ppt課件(編輯修改稿)
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【文章內(nèi)容簡介】 ) ? 高泡沫 ? 刺激皮膚 ? 受陽離子表面活性劑抑制 羧酸 Carboxylic Acid ? 脂肪酸 (Fatty acids) + 有機酸(anic acids) + 礦物酸 (mineral acid) ? 雙重作用 : 消毒及酸性過水 sanitize amp。 acid rinse ? 低泡 羧酸的優(yōu)點 Carboxylic Acid Advantages ? 用于 CIP 清潔時，泡沫較少 ? 廣泛控制細(xì)菌活動 ? 穩(wěn)定 保存期較長 ? 不受硬水影響 ? 清除及控制礦物質(zhì)形成的水垢 ? 無染色副作用 羧酸的缺點 Carboxylic Acid Disadvantages ? 不能完全控制真菌 ? 對酸堿度敏感 理想酸堿度 ? 受陽離子表面活性劑抑制 ? 對溫度敏感，使用溫度應(yīng) 55oC ? 潛在腐蝕性，需根據(jù)器材、物料使用而定 過氧化物 Peroxy Compounds H2O2 CH2COOH H H H H C C O O O + Hydrogen Peroxide Acetic Acid Peroxyacetic Acid 過氧醋酸消毒劑 Peroxyacetic Acid Sanitizer One of the Most Effective Sanitizers Against Biofilms ? A conductancebased surface disinfection test for food hygiene. Letters in Applied Microbiology. 1990. 11, 255259. Conclusion: The peracids were the most effective of the pounds tested against anisms present as biofilms. ? Effect of Cleaners and Sanitizers on Listeria monocytogenes Attached to Product Contact Surfaces. Journal of Food Protection. 1992. Vol. 55, No. 4, 246251 Conclusion: The most effective sanitizers against attached cells on varioussurfaces included OXONIA ACTIVE. ? Control of Biofilms in Breweries Through Cleaning and Sanitizing. MBAA Technical Quarterly. 1992. Vol 29, 8688. Conclusion: Peracetic acid sanitizer provided the greatest reduction in viable biofilm bacteria after a 2 minute contact time. The following are articles from scientific journals that indicate peroxyacetic acid sanitizers are most effective in controlling biofilms: 過氧醋酸消毒劑 Peroxyacetic Acid Sanitizer One of the Most Effective Sanitizers Against Biofilms ? Biofilms and their consequences, with particular reference to hygiene in the food industry. Journal of Applied Bacteriology. 1993. 75, 499511. Conclusion: The most effective of the products tested on biofilms was peracetic acid. ? Scientific Status Summary: Microbial Attachment And Biofilm Formation:
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