Hazards and Contaminants Flashcards
What is a hazard?
Anything that can contaminate food or cause harm to the consumer
What are contaminants?
Substances that can enter into the food chain either unintentionally or illegally and can adversely affect the human body
Classify contaminants.
Biological
Chemical
Physical
Give an example of a biological contaminant.
Microorganisms
What type of contaminant are microorganisms classified under?
The are classified as a biological contaminant
How does contamination occur by microorganisms?
3
Consumption of food subjected to poor hygiene practices during storage and preparation
Consumption of undercooked meat or eggs
Cross-contamination
What type of contamination occurs by consumption of food subjected to poor hygiene practices during storage and preparation, consumption of undercooked meat or eggs, cross-contamination
Biological contamination occurs by microorganisms
List the types of chemical contaminants.
4
Pesticides and insecticides
Antibiotics
Industrial residues
Metal residues
What type of contaminant are pesticides and insecticides classified under?
Chemical contaminants
What type of contaminant are antibiotics classified under?
Chemical contaminants
What type of contaminants are industrial residues classified under?
Chemical contaminants
What type of contaminant are metal residues classified under?
Chemical contaminants
How does chemical contamination occur by pesticides and insecticides?
(2)
Consumption of fruit or veg with insecticide or pesticide residue
Consumption of water contaminated with pesticide or insecticide run-off
What is the effect of consuming food contaminated with microorganisms?
Toxic or infectious food poisoning
What are the effects of consuming food contaminated with pesticides and insecticides?
(4)
Circulatory problems
Respiratory problems
Cancer
Nervous system damage
How does contamination occur by antibiotics?
2
Consumption of meat from an animal which had antibiotics in its system when slaughtered
Consumption of milk from an animal which had antibiotics in its system when milked
How does contamination occur by industrial residues?
Consumption of meat, fish, eggs and milk from animals who have consumed crops grown in soil contaminated by emissions from the air or rainwater
What are the effects on the body of consuming food contaminated with antibiotics?
(2)
Allergic reactions to antibiotics
Resistance to antibiotics
What are the effects on the body of consuming food contaminated with industrial industries?
(2)
Cancer
Immune system damage
How do metal residues cause the contamination of food?
2
Consumption of crops grown in soil contaminated by emissions falling from the air or carried in rainwater
Consumption of water contaminated with lead or calcium traces from old piping
What are the effects of consuming food contaminated with metal residues on the body?
(4)
Nervous system damage
Immune system damage
Liver damage
Kidney damage
Name one type physical contaminant?
Foreign bodies
How do foreign bodies contaminate food?
Consumption of food subjected to poor hygiene practices during storage, preparation or cooking
What are the effects of consuming food contaminated with foreign bodies?
Toxic or infectious food poisoning
Chocking
