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<span style="font-family:'';font-size:10pt;"><span style="font-size:12px;font-family:Verdana;">Pathogenic spore-forming bacteria pose high risks to healthcare settings, as well as in the food and beverage industries. We reported recently that novel alcohol-based formulations containing plant-derived compounds, including epigallocatechin-3-gallate-palmitate (EGCG-P), a green tea polyphenol ester, provide > 99.99% inactivation of bacterial spores within 60 sec. Based on recently published data from our group and others, we hypothesize that a combination of EGCG-P and alcohol formulated with other plant-derived ingredients would achieve high sporicidal efficacy against a wide spectrum of bacterial spores and can provide novel hand hygiene methods against bacterial spores without toxicity. The objectives of the current study were to optimize </span><span style="font-size:12px;font-family:Verdana;">two novel formulations with combinations of glycerol, citric acid, and EGCG-P</span><span style="font-size:12px;font-family:Verdana;"> to increase sporicidal activity and explore the rapid inactivation mechanisms and suitability for sporicidal products with broad-spectrum activities against aerobic and anaerobic bacterial spores. Methods included suspension testing of two formulations against spores from </span><i><span style="font-size:12px;font-family:Verdana;">Bacillus cereus</span></i><span style="font-size:12px;font-family:Verdana;"> and </span><i><span style="font-size:12px;font-family:Verdana;">Clostridium sporogenes</span></i><span style="font-size:12px;font-family:Verdana;">, quantification of spore germination, and scanning electron microscopy. The results demonstrated that these novel formulations were able to reduce spore germination by >99.999% after 30 sec exposure in </span><span style="font-size:12px;font-family:Verdana;">suspension tests, and rapidly caused physical damage to the spores. Additional</span></span><span style="font-family:'';font-size:10pt;"> </span><span style="line-height:1.5;font-family:Ver
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篇名 Enhanced Sporicidal Activity of Alcohol and Epigallocatechin-Palmitate-Based Hand Hygiene Formulations Comprised of Plant-Derived Compounds
来源期刊 生物科学与医学(英文) 学科 数学
关键词 ALCOHOL Hand Hygiene Sporicidal Bacterial Spores Plant-Derived Compounds
年,卷(期) 2020,(6) 所属期刊栏目
研究方向 页码范围 89-99
页数 11页 分类号 O17
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ALCOHOL
Hand
Hygiene
Sporicidal
Bacterial
Spores
Plant-Derived
Compounds
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生物科学与医学(英文)
月刊
2327-5081
武汉市江夏区汤逊湖北路38号光谷总部空间
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