What is a common source of food contamination in the kitchen?

Food contamination in the kitchen occurs when harmful microorganisms, chemicals, or foreign materials enter food and make it unsafe for consumption. Among the options listed, poor personal hygiene is a well-established and common source of food contamination.

When food handlers fail to wash their hands properly, especially after using the toilet, touching raw food, sneezing, or handling waste, they transfer bacteria such as Salmonella, E. coli, and Staphylococcus aureus to food. Other hygiene failures include touching food with open wounds, not wearing clean clothing, or coughing and sneezing over food.

The remaining options describe practices that prevent contamination rather than cause it:

• Properly stored food keeps items at safe temperatures and prevents cross-contamination.
• Clean utensils eliminate surfaces where bacteria could transfer to food.
• Sanitized equipment removes pathogens from preparation areas.

Maintaining good personal hygiene is considered the first line of defence in food safety. Hand washing with soap and warm water for at least 20 seconds before and during food preparation is one of the most effective ways to prevent foodborne illness.