What Are 5 Physical Contaminants?

Which foods pose the highest risk of becoming contaminated?

5 Foods That Pose the Highest Food Safety Risk for ContaminationPoultry.

If not handled properly, raw and undercooked poultry (i.e.

chicken and duck) have an extremely high contamination risk.


Salmonella is also an issue with one of the biggest breakfast foods in the world.

Dairy Products.



What are 3 ways food can be contaminated?

There are three types of food contamination: biological, chemical and physical. Food contamination can easily occur in a commercial kitchen.

What is an example of a physical contaminant Servsafe?

examples of physical contaminants. metal shavings from cans, staples from cartons, glass from broken light bulbs, blades from plastic or rubber scrapers, fingernails, hair bandages, dirt, and bones. biological toxins. toxins produced by pathogens, plants, or animals.

Which of these are examples of physical contamination in food?

Common examples of physical contaminants in food businesses include:hair.fingernails.bandages.jewellery.broken glass, staples.plastic wrap/packaging.dirt from unwashed fruit and vegetables.pests/pest droppings/rodent hair.

Is solanine a bacterial or chemical contamination?

Naturally occurring poisonous food are also classified as part of the ‘chemical contamination’ threat. … Green and sprouting potatoes contain a substance called ‘solanine’ which has been linked with food poisoning outbreaks so green potatoes should be discarded, returned to the supplier or rejected on delivery.

Can bacteria grow in air?

Bacteria can grow anywhere, including in your air conditioning system, and disperse throughout your home as a result. Legionella, specifically, is often found in cooling towers and central air conditioning systems and can cause a wide range of health problems.

What’s a biological contamination?

Definition(s) The presence in the environment of living organisms or agents derived by viruses, bacteria, fungi, and mammal and bird antigens that can cause many health effects. (

What is an example of chemical contamination?

Chemical contaminants can enter the food chain from multiple sources. … contaminated water, for example, dioxins, halogenated organic compounds or heavy metals. plant diseases – mycotoxins. contamination from weeds, for example, plant toxins.

What are four sources of biological contamination?

Biological contaminants include bacteria, viruses, animal dander and cat saliva, house dust, mites, cockroaches, and pollen. There are many sources of these pollutants. By controlling the relative humidity level in a home, the growth of some sources of biologicals can be minimized.

Is cardboard packaging a physical contaminant?

Packaging. Packaging, whether sacks of vegetables or dry ingredients, product wrapped in plastic, polythene, metal fastenings, staples, bottles, cans, crates, plastic or cardboard boxes or the wooden pallets things arrive on, is a potential contaminant.

Which of the following you should not do while buying food?

Never buy:dented, swollen or leaking cans or containers.products with damaged or imperfect packaging.cracked or dirty eggs.chilled or frozen foods that have been left out of the refrigerator or freezer.products that are soiled or mouldy.ready-to-eat foods left uncovered on counters.More items…•

What are the most common causes of cross contamination?

The most common example is the transfer of bacteria between raw and cooked food. This is thought to be the cause of most foodborne infections. For example, when you’re preparing raw chicken, bacteria can spread to your chopping board, knife and hands and could cause food poisoning.

What are the 5 types of biological contaminants?

Biological contaminants include bacteria, viruses, fungi, protozoa, insects (fleas and cockroaches), and arachnids (dust mites).

What is an example of contamination?

The presence of unwanted materials such as dust and particles during the manufacturing and transportation time is called contamination. The term contaminants includes any unwanted matter that is found in the product. … Biological contamination. Examples: fungus, bacteria, virus.

How many seconds can bacterial contamination occur?

5-10 seconds.

How does the food become contaminated?

A food that is fully cooked can become re-contaminated if it touches other raw foods or drippings from raw foods that contain pathogens. Cross-contamination is the physical movement or transfer of harmful bacteria from one person, object or place to another.

What is an example of a biological hazard?

Biological hazards include microorganisms such as bacteria, viruses, yeasts, molds and parasites. … A pathogenic microorganism causes disease and can vary in the degree of severity. Examples of biological hazards include Salmonella, E. coli and Clostridium botulinum.

What is an example of physical contaminant?

Physical contamination occurs when physical objects contaminate food. Common physical contaminants include hair, glass, metal, pests, jewellery, dirt and fake nails.

What must be cleaned and rinsed but not?

All surfaces must be cleaned and rinsed. This includes walls, storage shelves, and garbage containers. However, any surface that touches food, such as knives, stockpots, cutting boards, or prep tables, must be cleaned and sanitized.

What are the 2 types of cross contamination?

Cross-contamination of foodWhat is cross-contamination? … Direct cross-contamination – allowing raw food that has food poisoning bacteria on it to touch cooked or ready to eat food.Indirect cross-contamination – where something helps the organisms move from one place to another. … Raw food dripping on to cooked food can also cause contamination.More items…

What is another term for contamination?

“Contaminate,” “taint,” “pollute,” and “defile” mean to make impure or unclean. “Contaminate” implies intrusion of or contact with dirt or foulness from an outside source (logically enough, as it derives from a Latin word that is a cousin to “contingere,” meaning “to have contact with”).

What are 3 examples of cross contamination?

Some examples are: Handling foods after using the toilet without first properly washing hands. Touching raw meats and then preparing vegetables without washing hands between tasks. Using an apron to wipe hands between handling different foods, or wiping a counter with a towel and then using it to dry hands.

What are the 3 types of cross contamination?

There are three main types of cross-contamination: food-to-food, equipment-to-food, and people-to-food.

What is the best example of physical contamination in food?

Physical contaminants are also referred to as physical hazards or foreign matter. Shrew teeth in a crop product or a piece of wire in a meat product are examples. Glass pieces, metal fragments, bone chips, and pits may all cause serious harm when ingested.

What diseases can you get from cross contamination?

Food handlers should, therefore, be aware of the respective journey of each of these germs:Norovirus. Norovirus is one of the most common causes of gastroenteritis and is responsible for 90% of viral gastroenteritis. … Campylobacter. … Listeria monocytogenes (Lm)

What is the best example of biological contamination?

Examples of biological contaminants and the problems they cause include:Bacteria, like Salmonella, which will lead to nausea, vomiting, and diarrhea.Viruses, such as rotavirus, which will lead to the stomach flu.Parasites, like Ascaris lumbricoides, a roundworm that will gladly live inside your gut.

Is a virus a biological contaminant?

Biological contamination most often refers to the contamination of our environment and/or food source with microscopic organisms, like viruses, bacteria, fungi, and parasites. Sometimes, biological contamination can also include the contamination of our food with macroscopic organisms, like insects.

What are the 4 types of contamination?

There are four main types of contamination: chemical, microbial, physical, and allergenic. All food is at risk of contamination from these four types. This is why food handlers have a legal responsibility to ensure that the food they prepare is free from these contaminants and safe for the consumer.

How do you protect food from physical contaminants?

To protect your food from the risk of contamination, your food handlers should wear appropriate protective clothes. These work clothes should not have pockets as they may contain items that could fall into the food.