Coliform bacteria - Wikipedia
网页Coliform bacteria are defined as either motile or non-motile Gram-negative non- spore forming bacilli that possess β-galactosidase to produce acids and gases under their optimal growth temperature of 35–37 °C. [1] . They can be aerobes or facultative aerobes, and are a commonly used indicator of low sanitary quality of foods, milk, and water. [2] .
Coliform bacteria | Characteristics & Examples | Britannica
网页2024年9月13日 · coliform bacteria, any of various rod-shaped microorganisms that occur in the intestinal tracts of animals, including humans, and that are widespread in the environment. Coliform bacteria serve as critical indicators of water quality. More precisely, they are evidence of recent fecal contamination of water supplies.
Coliform Bacteria - an overview | ScienceDirect Topics
网页Coliform bacteria are defined as rod-shaped Gram-negative nonspore forming and motile or nonmotile bacteria that can ferment lactose with the production of acid and gas when incubated at 35–37°C. They are a commonly used indicator of …
Coliform Bacteria - Penn State Extension
网页Coliform bacteria are often referred to as "indicator organisms" because they indicate the potential presence of disease-causing bacteria in water. The presence of coliform bacteria in water does not guarantee that drinking the water will cause an illness.
E.coli, coliform and indicator 大肠杆菌们的事 - 知乎
网页2023年12月16日 · Coliform的检测与意义. 概述. 在生活和生产中，我们会检测食品、水源中的Coliform情况，以确定食品安全。 一般来说，检测的可信度为：coliform<fecal coliform<E.coli. 这很好理解。 检测范围越范，能确定的内容越少。 coliform是个大范围，所以检测出coliform能提供的信息比fecal的要少。 Indicator. 现实中，人们通过确定某几类指示菌来的存在来确认水源和食品是否被污染。 检测方法. Endo-type agar：这是一种选择性 …
Fecal coliform - Wikipedia
网页A fecal coliform (British: faecal coliform) is a facultatively anaerobic, rod-shaped, gram-negative, non-sporulating bacterium. Coliform bacteria generally originate in the intestines of warm-blooded animals.
网页Coliform bacteria are most often defined as “aerobic and facultatively anaerobic, Gram-negative, non-spore-forming rods that ferment lactose with the production of acid and gas within 48 hours at 35°C.” Coliform bacteria are organisms detected by “coliform tests” or selective differential growth media based on the above definition.
Coliform Bacteria - an overview | ScienceDirect Topics
网页Coliform bacteria are defined as facultatively anaerobic, Gram-negative, non-spore-forming rods that ferment lactose vigorously to acid and gas at 35 ± 2 °C within 24 or 48 h.
Coliform Bacteria | USU
网页Coliform bacteria are rod shaped bacteria connected with the colon of warm-blooded animals. Coliform bacteria are useful indicator organisms because their presence in food or water indicate poor sanitary conditions. They are also relatively inexpensive to …
Coliforms, Pathogens, and Viruses | SpringerLink
网页2022年1月17日 · Fecal coliform, a group of bacteria from the intestine of humans and other warm-blooded animals, is an indicator microorganism widely used due to its easy detection and strong correlation with pathogens (Thomann and Muller 1987).
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