What is cross-contamination?

• A. The process of cooking food thoroughly
• B. The transfer of harmful bacteria from one food item to another
• C. The mixing of ingredients in a recipe
• D. The cooling of food to safe temperatures

Answer: (B)

Cross-contamination refers to the transfer of harmful bacteria or other microorganisms from one food item to another, which can occur through direct contact or through surfaces, utensils, or hands that have come into contact with contaminated foods. This phenomenon is particularly critical in food safety practice because it can lead to foodborne illnesses.

For instance, if raw chicken is prepared on a cutting board and then the same board is used to cut vegetables without proper cleaning, harmful pathogens from the chicken can contaminate the vegetables. Understanding cross-contamination emphasizes the importance of separate food handling practices to maintain safety and sanitation in food preparation environments.

Other choices relate to food preparation and storage but do not define cross-contamination accurately. Thoroughly cooking food, mixing ingredients, or cooling food are important steps in food safety but do not address the concept of transferring contaminants between food items.