植物抗菌剂:提取,表征和对食品传播微生物的活性
Fabiana França1,2, Júlia Campos Souza1, Paula M O'Connor3
1Laboratory of Food Microbiology Advanced Studies (FoMAS), Centro de Ciências da Natureza, Universidade Federal de São Carlos, Rodovia Lauri Simões de Barros, Km 12 - SP189, Buri, 18290-000, SP, Brazil.
Folia microbiologica
|January 15, 2026
概括
植物抗菌剂提供天然的食品防腐剂,对微生物表现出强大的活性. 需要进一步研究安全性和稳定性,以便将其作为可持续替代品广泛用于工业.
科学领域:
- 食品科学与技术 食品科学与技术
- 自然产品化学 自然产品化学
- 微生物学 微生物学
背景情况:
- 植物性抗微生物药物被广泛研究,因为它们对食源和腐烂微生物的强大活性.
- 多样化和具有成本效益的自然来源提供了广泛的生物活性植物化合物,如化合物,精油,类化合物,乳清素和抗菌.
- 这些化合物显示出控制食品系统中微生物污染的巨大潜力.
研究的目的:
- 审查植物衍生抗微生物的提取,净化和分子表征方面的进展.
- 探索这些化合物的作用机制和in silico发现方法.
- 突出利用植物抗菌剂作为可持续食品防腐剂的机遇和挑战.
主要方法:
- 文献综述整合了提取,净化和分子表征方面的进展.
- 对作用机制的分析,包括抑制定数感应和生物膜形成.
- 在的发现方法,如分子对接和分子动力学模拟.
主要成果:
- 化合物,精油和抗菌显示出对食品应用最有前途的可能性.
- 分子模拟加速了植物抗菌素的识别和优化.
- 植物抗菌剂可以抑制定数感应和生物膜形成,这对于微生物控制至关重要.
结论:
- 植物性抗菌剂是合成防腐剂的可持续替代品,满足消费者对天然产品的需求.
- 关于食品矩阵内的安全性,稳定性和相互作用的知识差距需要进一步研究工业应用.
- 持续的研究对于充分利用植物抗菌剂在确保食品安全方面的潜力至关重要.
相关概念视频
01:28Antimicrobial Effectiveness
908
The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...
908
01:27Microorganisms in Agriculture and Food industry
1.4K
Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...
1.4K
01:28Biological Methods for Microbial Control
788
Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...
788
01:23Antimicrobial Proteins
13.0K
Antimicrobial proteins are important components of the immune system. They aid the body in combating pathogens by either killing them directly or hindering their replication processes. Four main types of antimicrobial substances are interferons, the complement system, iron-binding proteins, and antimicrobial proteins.
Interferons
Interferons (IFNs) are proteins produced by lymphocytes, macrophages, and fibroblasts infected with viruses. While IFNs cannot prevent viruses from entering and...
Interferons
Interferons (IFNs) are proteins produced by lymphocytes, macrophages, and fibroblasts infected with viruses. While IFNs cannot prevent viruses from entering and...
13.0K
01:27Chemical Agents for Microbial Control
763
Chemicals play important roles in controlling microbial growth by targeting microbial structures and functions as sanitizers, antiseptics, disinfectants, and sterilants.Alcohols are commonly used sanitizers, effectively disrupting lipid membranes, which compromises cell integrity. They are also used as antiseptics and disinfectants due to their rapid action and versatility.Phenols and their derivatives phenolics , known for denaturing proteins and disrupting cell membranes, are particularly...
763