When Must A Knife Be Cleaned And Sanitized?

“When must a knife be cleaned and sanitized?”, is a common question for the cook. ​In the kitchen, a knife is an essential tool for preparing food. Since it is used directly in food processing, it needs to maintain hygiene at the right time.

After each use, you may need to clean and sanitize a knife for better results and long-term use. As a result, it will help prevent bacteria and keep good conditions for reuse.

We will discuss several ways to clean and sanitize your kitchen knife, so you can use one to make your knives hygienic. Because it is an important part of your family’s health.​

When Must A Knife Be Cleaned And Sanitized?

There are three different scenarios for knife sanitation and cleaning. The first scenario is used for a specific person. The second is when a knife is used for multiple tasks. And the last is while several people use the same knife.

  1. If you do a particular work using a knife, you do not need to clean it. For example, if a knife is only used for cutting meat, or vegetables, it is safe for reuse again.
  2. Would you like to use a knife for multiple tasks? No problem. You need to wash it after processing one piece of food like meat. And then your knife is ready for the next task, like cutting fish, poultry, fruits, or vegetables. Using different cutting boards is the best for processing each food.
  3. The third and last scenario is when several people are using a knife. You do not know when a person is using it and cleaning it properly.

You will need to maintain the hygienic rules each time to process meals. However, properly sanitize your knife handles and blade and then use it.

How Often Should Your Knives Be Cleaned?

When must a knife be cleaned and sanitized for food safety? It depends on the use of a knife. It is good to clean it before starting any work or processing any food.

On the other hand, after cutting raw meat or fish, processing one food to another, and after four hours of constant use, cleaning a knife is good.

The Advantages Of Cleaning And Sanitizing A Knife

There are some crucial benefits to cleaning and sanitizing a knife.

  • It protects us from microorganisms and rust.
  • It keeps the kitchen safe.
  • Likewise, it maintains the quality of the knife blade.

What Are The Best Ways To Clean And Sanitize Knives?

Cleaning a kitchen knife blade with plain water is not the right way. You have to know the proper way, otherwise, it will cause a serious health impact on your family.

In truth, the blade cleaning process is very simple, but most cooks are not conscious of it. As a result, microorganisms like bacteria, fungi, etc. are grown over the blade.

On the other hand, the air is not safe because of pollution. So if we keep the blade open, it may be a breeding ground for bacteria.

We will suggest some effective tips that will help you to clean a knife properly. You can select one process that works best for you.

How To Clean A Knife Blade: Tips And Tricks

  • Wash a knife with hot and soapy water.  It is effortless and one of the best methods for removing food particles and bacteria. After cleaning, use a micro fabric cloth or paper towel to dry it properly. From the A.G. Russell Knives youtube channel, we attached a video for practical work.
  • Sterilize a knife with bleaching powder. Use a solution of 1-quarter water and 1 tablespoon bleaching powder and soak it for 5 minutes. After using this process, you have to wash the knife properly with soft water.
  • Another most effective and effortless way to clean a knife, using boil water. Boil a knife in water for a few minutes. It will kill all kinds of microorganisms like bacteria, fungi, etc., and make the knife safe for further use. 
  • You can also use white vinegar and potatoes to clean the knives. Take a potato and cut it into two parts. Now rub the cut side of the potato in the knife blade. As a result, the starch of the potato will remove the rust from the knife blade.

After that, wash it with clean water and dry it with a cloth.

Now you have to disinfect it with a liquid solution. Take 1 part of white vinegar of 4 parts of water and soak it for half an hour in the solution. Afterward, rinse it with water and dry it properly.

  • Lemon juice is another method that can help to clean and sterilize the knife blade. Make a solution by mixing 1 quarter part lemon juice with 1 part water. Then soak the knife in that solution for about 30 minutes.

Finally, rinse it with fresh water and dry it using a clean cloth or paper towel. 


Is it a bad idea to clean a knife with alcohol?

Yes. Most of the knives are made with low-carbon stainless steel. So, If you use alcohol to clean, it will damage your knife blade.

Can water dull a knife?

If you use water for a short time to wash, it will not dull your knife blade. But if you keep a knife in water for several days, it can dull your knife blade.

What is the best way to clean a home kitchen knife?

Soapy water, like dishwashing liquid, detergent, etc. is the easiest, best, and cheapest way to clean a kitchen knife.

Final Thoughts

In the final analysis, the knife is the king of a kitchen. Without it, you can not do any kitchen work. Therefore, you have to clean it properly.

After reading the article, now you know, how and when must a knife be cleaned and sanitized. Follow the steps correctly and find out the best method that you prefer.

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