Download Free Medical Microbial Contaminants PowerPoint Presentation

Microbial Contaminants PowerPoint Presentation

About This Presentation

Description : Check out this medical presentation on Food Poisoning, which is titled "Microbial Contaminants", to know about microbes and food safety.

Tags : Food Poisoning, Microbial Contaminants, microbes, food safety

Published on : Jul 07, 2021 | Views : 666 | Downloads : 0

Shareable Url :

Embed Code :

Comment

Transcript

Slide 1-

Microbial contaminants Risks of bacteria, fungi, viruses Ralf Hartemink Wageningen University the Netherlands
Slide 2-

The microbial world 2 Viruses non-living, non-cellular organisms that require a host to grow Bacteria living, single-celled organisms Fungi single or multi-celled organisms such as moulds, yeasts and mushrooms Algae Parasites Protozoa
Slide 3-

Microbes and food 3 Good Food fermentation (bacteria, yeasts, fungi) Bad - Pathogens (bacteria, viruses, fungi) Ugly - Spoilage (bacteria, fungi)
Slide 4-

What you eat can make you sick “Everybody will get a foodborne illness twice per year”
Slide 5-

Food poisoning or foodborne illness Foodborne infections Symptoms, after 8-24h abdominal pain diarrhoea Duration 1-3 days Bacteria, virus Foodborne intoxications Symptoms, after 0-4h nausea vomiting Duration 1 day Bacterial toxin Bacterium does not have to be in the product anymore ! Young Old Pregnant Immuno-compromised
Slide 6-

Fungal toxins : Mycotoxins Hardly ever acute toxic carcinogenic kidney problems ... Potential serious health risks Most well known: Aflatoxin Zearalenon Ochratoxin Many not known ! Spread easily in food chain
Slide 7-

Fungal toxins : Aflatoxin
Slide 8-

Prevention : look at the chain Product characteristics Bacterial characteristics Increasing/Decreasing risks Risk Assessment of worst case scenario Legislation
Slide 9-

New challenges and risks : the consumer New trends Natural / Organic Less processed Sustainable /packaging Less salt / sugar No additives ... Increasing/Decreasing risks Consumer demands Different and/or (mostly) higher risks Potentially more cases Research and legislation
Slide 10-

New challenges and risks : globalisation Food safety standards, legislation : not harmonised Bacterial prevalence differs widely between regions
Slide 11-

New challenges : the organism Emerging pathogens ‘new’ bacteria Listeria : unknown until 1980s Changed ‘old’ bacteria EHEC, STEC, EIEC... Adapted bacteria bacteria in unexpected places ‘new’ and more viruses astrovirus nipah virus
Slide 12-

Thank you for your attention 12 US Campaign Ralf.hartemink@wur.nl