list 10 séquences
assignment Niveau : Introductif
chat_bubble_outline Langue : Anglais
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Les infos clés

credit_card Formation gratuite
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timer 60 heures de cours

En résumé

Everyday reports of food scandals and recalls are published. One day it’s scary bacteria in meat, and another day it’s dangerous pesticides in fruits. According to some, meat needs to be cooked well to prevent food-borne illness while others warn not to heat food to prevent the formation of poisonous substances.

Many consumers worry about the conflicting and confusing messages about food hazards

This nutrition and health course will teach you about the hazards associated with food and give you the tools to assess and quantify the dangers they can present. You will learn the effects of food processing, the shared responsibility in the food chain and the prevention of food poisoning/intoxication. After this course, you will be able to differentiate what is a food myth vs. an actual risk. Finally, you will gain a contemporary view of how different risks can be weighed in a scientific way.

  • Overview of food hazards
  • Elementary knowledge on microbiological and toxicological risk analysis
  • How to better interpret the information overload about hazards in food
  • Why zero hazard does not exist
  • Ways to reduce hazards in food

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Le programme

Module 1: Hazards and risks in the modern food chain
Introduction to the difference between a hazard and a risk, the different types of hazards present in food and the perception of risk by public.
 
Module 2: Interpretation of risks, probability and relevance
Introduction to risk reporting, how ways of presenting information can mislead consumers and difference between significance and relevance.
 
Module 3: Microorganisms in food: good, bad and/or a nuisance
Introduction to ubiquitous, good/bad or spoiling microorganisms.
 
Module 4: Qualitative and quantitative principles food safety of chemicals
Classification of risks as avoidable or unavoidable, difference between genotoxic and non-genotoxic compounds and examples of important genotoxic carcinogens present in the food chain as well as introduction to dose-response concept.
 
Module 5: Toxicological risk assessment
Introduction to risk assessment framework, different ways of performing risk assessments depending on the nature of the chemical (i.e. genotoxic vs. non genotoxic) and hands on risk assessment of the food additive cyclamate and the carcinogen acrylamide.
 
Module 6: Microbiological risk assessment
Introduction to contamination routes, dose-response relationship and effect of temperature on microorganisms’ growth as well as sampling and legal requirements.
 
Module 7: Ways to reduce risks in food
Introduction to prevention of avoidable hazard, effect of heat on hazards and inactivation as well as prevention techniques to reduce risks in food.
 
Module 8: Final assignment/exam
Wrap-up.
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Les intervenants

Ivonne M.C.M. Rietjens
Full Professor in Toxicology
Wageningen University & Research

Marcel H. Zwietering
Full Professor in Food Microbiology
Wageningen University & Research

Martine Reij
Assistant Professor in the Laboratory of Food Microbiology
Wageningen University & Research

Jochem Louisse
Assistant Professor in the Division of Toxicology
Wageningen University & Research

Jonathan Nicolas
Postdoctoral fellow in the Division of Toxicology
Wageningen University & Research

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Le concepteur

Wageningen University
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La plateforme

EdX est une plateforme d'apprentissage en ligne (dite FLOT ou MOOC). Elle héberge et met gratuitement à disposition des cours en ligne de niveau universitaire à travers le monde entier. Elle mène également des recherches sur l'apprentissage en ligne et la façon dont les utilisateurs utilisent celle-ci. Elle est à but non lucratif et la plateforme utilise un logiciel open source.

EdX a été fondée par le Massachusetts Institute of Technology et par l'université Harvard en mai 2012. En 2014, environ 50 écoles, associations et organisations internationales offrent ou projettent d'offrir des cours sur EdX. En juillet 2014, elle avait plus de 2,5 millions d'utilisateurs suivant plus de 200 cours en ligne.

Les deux universités américaines qui financent la plateforme ont investi 60 millions USD dans son développement. La plateforme France Université Numérique utilise la technologie openedX, supportée par Google.

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