加纳沙切水的微生物安全性:系统性审查
Wisdom K Ahiabor1, Eric S Donkor1
1Department of Medical Microbiology, University of Ghana Medical School, Korle Bu, Accra, Ghana.
Environmental health insights
|January 29, 2025
概括
加纳的沙切水经常被细菌和寄生虫污染,造成公共卫生风险. 更严格的标准和安全的处理对于确保居民的安全饮用水至关重要.
科学领域:
- 环境健康 环境健康
- 微生物学 微生物学
- 公共卫生 公共卫生
背景情况:
- 获得安全饮用水是一个全球性的挑战,特别是在发展中国家.
- 西非的快速城市化增加了对袋装水的依赖,这是加纳的热门选择.
- 人们对袋装水的微生物安全性存在担忧,尽管它被广泛消费.
研究的目的:
- 审查加纳袋装水中微生物污染物的现有研究.
- 为提供加纳消费的袋装水的微生物质量概述.
- 为了确定袋装水中的关键微生物威胁.
主要方法:
- 在遵守PRISMA指南的基础上进行系统审查.
- 在主要的科学数据库和谷歌学者中进行全面的文献搜索.
- 从符合条件的关于袋子水微生物质量的研究中提取和分析数据.
主要成果:
- 28项研究 (2003-2024) 分析了2,276个水袋样本.
- 76%的样品 (1727) 呈现出微生物污染.
- 常见的污染物包括诸如大肠杆菌 (Escherichia coli) 这样的细菌和诸如虫 (Cyclospora cayetanensis) 和虫 (Cryptosporidium parvum) 这样的寄生虫.
结论:
- 加纳的袋装水由于微生物污染,对公共卫生构成重大风险.
- 建议实施严格的制造,卫生标准和安全处理实践.
- 需要进一步的研究来调查病毒和真菌污染物,以进行全面的评估.
相关概念视频
Surface Membrane Barriers
3.0K
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...
3.0K
Methods for Controlling Microbial Growth
2.7K
Microbial growth control refers to various methods employed to inhibit, reduce, or eliminate microorganisms to ensure safety and hygiene across different settings. These methods are categorized based on the target environment and the level of microbial control required.Biocides are versatile agents designed to control microorganisms by either inhibiting their growth or outright killing them. These agents work through various physical, chemical, mechanical, or biological mechanisms. The...
2.7K
Physical Methods for Controlling Microbial Growth: Radiation and Filtration
1.7K
Radiation and filtration are essential tools for microbial control, targeting microorganisms through distinct mechanisms. Radiation eliminates microbes by damaging their DNA, either killing them or inhibiting their growth. Based on wavelength, radiation is classified into two types: nonionizing and ionizing radiation.Non-ionizing radiation, such as UV radiation (200–400 nm), is absorbed by DNA, causing defects that effectively disinfect surfaces, air, and water, including safety cabinets.
1.7K
Microbes in Beverage Production
298
Alcoholic beverages such as wine, beer, and spirits are the products of microbial fermentation processes that transform simple sugars into ethanol and a wide array of complex flavor compounds. These transformations rely on the metabolic activities of specific yeasts and bacteria, which are selected and controlled to yield the desired beverage characteristics.Wine Fermentation and MaturationWine production begins with the crushing of grapes to release juice and pulp, forming a must that is...
298
Microbial Spoilage of Food
218
Microbial food spoilage refers to the degradation of food quality resulting from the metabolic activity of microorganisms such as bacteria, yeasts, and molds. These microbes proliferate on various food substrates depending on factors such as moisture content, nutrient availability, and storage conditions, leading to undesirable sensory and structural changes.Bacteria are primary agents of spoilage in high-moisture, nutrient-dense foods like meat, milk, and vegetables. Microbial spoilage occurs...
218


