Answer :
Final answer:
Cross-contamination is the transfer of pathogenic bacteria from one surface or food item to another, often leading to the risk of foodborne illness. This can occur through shared utensils or surfaces, which is why proper food handling practices are critical. Preventative measures include using separate cutting boards and thoroughly cleaning surfaces between uses.
Explanation:
Understanding Cross-Contamination
When pathogenic bacteria are transferred from one surface to another, this process is known as cross-contamination. Cross-contamination occurs when microbes are unintentionally moved from one food item to another, often through surfaces such as cutting boards, knives, or hands. For example, if raw meat is prepared on a cutting board and vegetables are then placed on the same board without cleaning it, bacteria like Salmonella or E. coli can contaminate the vegetables, posing a risk for foodborne illness.
How Cross-Contamination Happens
- Using the same utensils for raw and cooked foods without washing them in between.
- Storing raw foods above ready-to-eat foods in a refrigerator.
- Not cleaning surfaces properly after they come into contact with raw meat or poultry.
To prevent cross-contamination, it's essential to follow proper food safety practices, such as using separate cutting boards for raw meats and vegetables, thoroughly cleaning surfaces, and washing hands frequently.
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