John poured the lentils and without washing them he added water and cooked it as a result John got a complaint from a patron because of that there were leftovers in the lentils (rocks and dirt). Even though John poured the lentils in the pot directly from a bag but the lentils still needs to be washed since they are not hygienic and anyone who eats them may get sick.
The physical contaminants might be in the lentils are small stones, dirt, and debris.
Physical contaminant is an actual object found in the food. Common contaminant physical such as dirt, small stone, hair, and metal. In the case above, John cooked the lentils straight from the packaging without washing it. When handling food it is important to wash the food thoroughly under the running water to remove any dirt. It is important to prevent physical contamination to avoid sickness and injuries. Some effort can be made, including:
1. Wash the food under running water
2. Wear hair restraint such as hair net to keep the hair fall into the food
3. Keep fingernails short and always wearing gloves when handling food.
4. Remove jewelry and accessories.
5. Ensure the building and kitchen area free from pest
There are three types of food contamination:
1. Physical contamination
2. Biological contamination is when harmful bacteria contaminate food. It is a common cause of food poisoning and food spoilage
3. Chemical contamination is when toxic chemical found in the food and animals product such as pesticide residue, cleaning product, and unwashed fruit and vegetables
Biological contamination https://brainly.com/question/2600140
Contamination by virus https://brainly.com/question/8019556
Keywords: food preparation, food hygiene, food handling
