| 乌梅提取液对大肠杆菌的抑菌特性研究 |
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| 引用本文： | 昝红,霍健聪,邓尚贵.乌梅提取液对大肠杆菌的抑菌特性研究[J].食品工业,2011(7). |
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| 作者姓名： | 昝红 霍健聪 邓尚贵 |
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| 作者单位： | 浙江海洋学院普陀科技学院; |
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| 基金项目： | 舟山市科技项目(21206000610) |
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| 摘 要： | 为研究乌梅提取液对大肠杆菌的抑制特性,该文对不同浓度提取液、培养基pH值、热处理、环境离子浓度及暴露时间对提取液抑菌活性的影响进行了研究。结果表明:最低抑菌浓度为12.5 mg/mL,在酸性条件下提取液具有较高的抑菌活性,提取液对温度较为稳定,适用于采用巴氏杀菌的食品当中,乌梅提取液对钠离子适应性好,而钙离子可显著降低其抑菌活性,提取液在短时间内(4 d)暴露于空气中对其抑菌活性影响较小,但长时间仍然会显著降低其抑菌活性。研究结果表明乌梅提取液对大肠杆菌具有较好的抑菌效果,受环境条件影响较小,为乌梅天然食品防腐剂的开发提供了理论基础。
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| 关 键 词： | 乌梅 提取液 抑菌活性 大肠杆菌 |
Study on the Antimicrobial Characteristics of Fructus mume |
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| Zan Hong,Huo Jian-cong,Deng Shang-gui Pu tuo Technology School of Zhejiang Ocean University.Study on the Antimicrobial Characteristics of Fructus mume[J].The Food Industry,2011(7). |
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| Authors: | Zan Hong Huo Jian-cong Deng Shang-gui Pu tuo Technology School of Zhejiang Ocean University |
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| Affiliation: | Zan Hong,Huo Jian-cong,Deng Shang-gui Pu tuo Technology School of Zhejiang Ocean University(Zhoushan 316000) |
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| Abstract: | In order to investigate the anbimicrobial characteristics of Fructus mume extract,the effects of different factors on antimicrobial activity were studied in this paper,including the extract concentrations,initial pH values of the medium,the stability of heat,the ion concentration of environmental,and the time exposed to space.The results showed that Fructus mume had strong antimicrobial effects on Escherichia coli.The minimum inhibition concentrations(MIC) was 12.5 mg/mL.The extract had high antimicrobial a... |
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| Keywords: | Fructus mume extracts antimicrobial activity Escherichia coli |
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