What are the three ways of cross contamination?
Physical contamination occurs when actual objects contaminate the food. Common physical contaminants include hair, glass, metal, pests, jewellery, dirt and fake nails.
What is physical contamination?
Physical contaminants (or 'foreign bodies') are objects such as hair, plant stalks or pieces of plastic/metal that can occur as contaminants in food.
What is microbiological contamination?
Microbiological contamination refers to the non-intended or accidental introduction of infectious material like bacteria, yeast, mould, fungi, virus, prions, protozoa or their toxins and by-products. 1,2.
What are the 7 types of hazards?
Foods that are ready to eat, foods that don't need any further cooking, and foods that provide a place for bacteria to live, grow and thrive are described as high-risk foods. Examples of high-risk foods include: cooked meat and fish. gravy, stock, sauces and soup. shellfish.
How do you know if food is contaminated?
You can't tell whether a food is contaminated with E. coli by the way it looks, smells or tastes. Although most types of Escherichia coli (E. coli) bacteria are harmless, certain strains, such as E. coli O157:H7, can cause serious foodborne illness.
What type of contamination is hair?
Human hair is termed a physical as well as a microbiological contaminant because besides being extraneous matter, it can also lead to the growth of microorganisms in the food.
Which is a chemical contamination?
Chemical contaminants are chemicals toxic to plants and animals in waterways. The phrase 'chemical contamination' is used to indicate situations where chemicals are either present where they shouldn't be, or are at higher concentrations than they would naturally have occurred.
What is the temperature danger zone?
Bacteria grow most rapidly in the range of temperatures between 40 °F and 140 °F, doubling in number in as little as 20 minutes. This range of temperatures is often called the "Danger Zone." Never leave food out of refrigeration over 2 hours.
What are the main causes of cross contamination?
Cross contamination of food. This is one of the most common causes of food poisoning, and is caused by harmful germs spreading onto food from people's hands, raw food, kitchen utensils, surfaces and equipment.
What are the high risk foods that can cause contamination?
People can get sick by consuming food contaminated by the following three major hazards: Physical- objects such ashair, nails, jewelry, glass, staples, and bandages in food are categorized as physical hazards. Chemical- substances that are added during food handling or that occur naturally can cause food-borne illness.
How should you avoid eating cross contamination?
How does the food get contaminated (become unsafe)? … Foodborne illness can be caused when food is not kept at the correct temperature and a germ in a food is allowed to multiply. Food can also become unsafe if a chemical (such as a cleaning product) is spilled into food.
What is contamination in pharma?
Contamination is defined as the undesired introduction of impurities of a chemical or microbial nature, or of foreign matter, into or on to a starting material or intermediate, during production, sampling, and packaging or repackaging, storage or transport.