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抗菌肽LL-37的抑菌作用及其稳定性研究 被引量:4

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摘要 采用微量2倍稀释法测定抗菌肽LL-37对大肠杆菌、沙门菌和金黄色葡萄球菌的最小抑菌浓度(MIC),并进一步研究温度、pH和保存时间对LL-37稳定性的影响。结果显示:LL-37对大肠杆菌、沙门菌和金黄色葡萄球菌的最小抑菌浓度分别为3.12、1.56和0.78μg/mL。热稳定性试验显示:重组抗菌肽121℃加热21 min、100℃加热3 h仍有较好的活性。酸碱稳定性试验结果显示:LL-37在pH 2.0~12.0时均具有一定的活性,pH 5.0~6.0时活性最好。此外,-20℃为此抗菌肽长期保存的最佳条件。
出处 《畜牧与兽医》 北大核心 2013年第6期75-77,共3页 Animal Husbandry & Veterinary Medicine
基金 企业基金项目
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参考文献5

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共引文献12

同被引文献95

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