Answer :
Final answer:
A knife must be cleaned and sanitized after a certain period of use, after cutting certain types of foods, and before cutting others to ensure food safety.
Explanation:
A knife must be cleaned and sanitized after 4 hours of constant use. This is to prevent the growth of bacteria and ensure food safety. It is also important to clean and sanitize a knife after cutting bread and before cutting rolls to prevent cross-contamination between different types of food. Additionally, cleaning and sanitizing a knife after peeling potatoes and before slicing carrots is necessary to eliminate any potential contaminants.
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Final answer:
A knife must be cleaned and sanitized a) after 4 hours of constant use, when switching between different types of food, and after being stored in conditions that may lead to contamination, such as a knife block for a day.
Explanation:
According to food safety guidelines, a knife must be cleaned and sanitized: a) After 4 hours of constant use
When switching between different types of foods, such as after cutting bread and before cutting rolls, or after peeling potatoes and before slicing carrots to prevent cross-contamination.
After being stored improperly or in an unclean environment such as a knife block for a day.
It's important to use an acceptable cutting board and to maintain proper food handling temperatures. Knives should be cleaned with hot soapy water and can be sanitized with a bleach water solution, or in a dishwasher if possible. This prevents the introduction of pathogens and the spread of foodborne diseases. Regular handwashing and separate cutting boards for different types of food are also crucial steps in food safety.
