Indikatorbakterier
Indikatorbakterier, also known as indicator bacteria, are microorganisms used to assess the safety of water and food by indicating the presence of pathogens. These bacteria are chosen because they are generally more resistant to environmental conditions than pathogens, making them useful for monitoring contamination. Common indikatorbakterier include Escherichia coli (E. coli), Salmonella, and Staphylococcus aureus. E. coli, for example, is often used to test for fecal contamination in water sources, as its presence indicates that the water may be contaminated with pathogens that can cause illness. Indikatorbakterier are typically identified through laboratory analysis, such as culturing and identification techniques, or by using rapid detection methods like immunoassays. The presence of these bacteria in water or food samples is a strong indicator of potential health risks, prompting further investigation and potential treatment or disposal of the contaminated material. Regular monitoring of indikatorbakterier is crucial for maintaining public health and ensuring the safety of water supplies and food products.