自然抗菌剂:一个对比的水库Listeria monocytogenes
Annalisa Ricci1, Camilla Lazzi1,2, Valentina Bernini1,2
1Department of Food and Drug, University of Parma, Viale delle Scienze, 49/A, 43124 Parma, Italy.
Microorganisms
|October 28, 2023
概括
来自植物和发酵的天然化合物显示出对抗Listeria monocytogenes,一种危险的食源性病原体的承诺. 本综述探讨了它们在提高食品安全和预防李斯特菌病方面的潜力.
科学领域:
- 食品微生物学 食品微生物学
- 自然产品化学 自然产品化学
- 食品安全 食品安全
背景情况:
- 自然环境提供了生物体用于防御的抗微生物化合物.
- 越来越多的消费者对天然食品保护剂的需求推动了对这些化合物的兴趣.
- 李斯特菌单细胞菌是一种重要的食源性病原体,会引起严重的疾病 (李斯特菌病),并且存在于各种食品中.
研究的目的:
- 审查具有抗listeria活性的植物提取物和发酵植物矩阵.
- 研究发酵过程中产生的化合物和混合物,可以抑制Listeria monocytogenes.
- 探索天然解决方案,以保护食品免受李斯特菌的侵害.
主要方法:
- 关于植物提取物和发酵产品的科学研究的文献评论.
- 对产生抗李斯特菌化合物的微生物发酵过程的研究分析.
- 综合了关于天然药物对Listeria monocytogenes的疗效的研究结果.
主要成果:
- 植物提取物显示出对Listeria monocytogenes的抗微生物特性.
- 发酵植物基质及其衍生化合物具有显著的抗李斯特菌活性.
- 来自发酵的特定化合物和混合物显示出食品保存的潜力.
结论:
- 来自植物和发酵的天然化合物是控制Listeria monocytogenes的可行的替代品.
- 这些天然剂可以有助于提高食品安全,降低菌病的风险.
- 对优化和应用这些天然抗微生物药物的进一步研究是有必要的.
相关概念视频
Biological Methods for Microbial Control
42
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...
42
Antimicrobial Effectiveness
24
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...
24
Surface Membrane Barriers
1.1K
The skin and mucous membranes serve as the primary line of defense against pathogens by providing both physical and chemical protection. These barriers are essential in preventing the entry and establishment of microbes, thereby maintaining the integrity of the host.
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
1.1K
Antimicrobial Proteins
1.0K
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...
1.0K
Microorganisms in Agriculture and Food industry
43
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...
43
Antibiotic Selection
54.5K
Overview
54.5K


