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生物银纳米粒子和甲作为新鲜甜葡萄番茄的有效消毒剂

Andreia Farias Pereira Batista¹, Luana Carolina Martins Rosa¹, Jessica Santos Pizzo²

¹Center for Agricultural Sciences, Postgraduate Program of Food Science, State University of Maringá, Av. Colombo, 5790, Maringá, Paraná 87020-900 Brazil.

Journal of food science and technology

|July 10, 2023

概括

甲 (CIN) 和生物银纳米颗粒 (BioAgNP) 显示出对抗食物传播病原体的协同抗菌作用. 这种组合有效地消毒番茄而不会改变其特性,防止食物传播疾病.

科学领域:

食品科学食品科学食品科学
微生物学微生物学
纳米技术纳米技术

背景情况:

食品传播的病原体如大肠杆菌,沙门氏菌和金黄色杆菌对公众健康构成重大风险.
传统的消毒剂可能有局限性或对食品质量产生不良副作用.
开发新,有效和安全的新鲜农产品消毒方法至关重要.

研究的目的:

评估甲 (CIN) 和生物原银纳米粒子 (BioAgNP) 对常见的食源性病原体的抗菌活性.
评估CIN和BioAgNP单独和组合的疗效,用于清洁新鲜甜葡萄番茄.
为了确定组合治疗是否影响番茄的物理化学特性.

主要方法:

在体外抗菌测定对大肠杆菌,沙门氏菌Typhimurium和金黄色葡萄球菌.
在使用CIN和BioAgNP的新鲜甜葡萄番茄上进行了消毒试验.
在整个保质期内对经过处理的西红进行细菌生长的评估.
对经过处理的西红的物理化学特性 (如纹理,颜色,pH) 的分析.

主要成果:

无论是CIN还是BioAgNP都显示出对细菌生长的抑制作用.
当CIN和BioAgNP在低抑制度下联合使用时,观察到协同抗菌效应.
CIN (156μg/mL) 和BioAgNP (31.25μM) 的组合在5分钟内迅速抑制了番茄表面上的大肠杆菌.
在储存期间,在经过处理的番茄上没有检测到大肠杆菌生长.
综合处理并没有显著改变番茄的物理化学特性.

结论:

cinnamaldehyde 和生物银纳米颗粒的协同组合提供强大的抗菌活性对关键的食源性病原体.
这种组合可以作为新鲜产品的有效消毒剂,在不影响食品质量的情况下显著降低微生物负载.
这些发现表明,通过水果和蔬菜去污染,提高食品安全和预防食源性疾病是一个有希望的战略.

关键词:

抗菌剂抗菌剂抗菌剂天然化合物是一种自然化合物.消毒剂消毒剂消毒剂银纳米颗粒银纳米粒子甜甜的葡萄番茄和葡萄番茄是一个很好的选择.

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