Question

Microbial detection and food safety an introduction

Answer 1

Food safety is a major focus of food microbiology. Numerous agents of disease, pathogens, are readily transmitted via food, including bacteria, and viruses. Microbial toxins are also possible contaminants of food. However, microorganisms and their products can also be used to combat these pathogenic microbes. Probiotic bacteria, including those that produce bacteriocins, can kill and inhibit pathogens. Alternatively, purified bacteriocins such as nisin can be added directly to food products. Finally, bacteriophages, viruses that only infect bacteria, can be used to kill bacterial pathogens.


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Answer 2

Answer:

Some bacteria are often used as indicators of possible food contamination. Their presence in food or water indicates the potential presence of pathogens. ... Although a number of bacterial species encountered in foods are either spoilage or pathogenic organisms, there are several others that are beneficial to food.