6 Foods That Should Not Be Kept Overnight

Updated on March 25, 2020

Be careful; there are many foods you can save overnight to use the next day, but there are some you should discard! Here's a list of five foods you should not keep overnight, as they could be harmful to your health, even if you keep them in the refrigerator.

  1. Green Tea
  2. Cooked Mushrooms
  3. Not-Fully-Cooked Eggs
  4. Leafy Green Vegetables
  5. Mixed Salad
  6. Seafood

1. Green Tea

If you keep green tea overnight, it will lose all its protein and vitamins. Dangerously, it produces more bacteria, fungi-breeding nutrients, which will harm your health. Don’t drink the previous day's green tea!


2. Cooked Mushrooms

Mushroom soup is highly nutritious, but after twelve hours, the nutrients are reduced, and it can produce many harmful components. Cooked mushrooms contain nitrates, which are good for red blood cells, but after one night, the nitrates will change into nitrites, which are not good for your body.


3. Not-Fully-Cooked Eggs

If they're not fully cooked, don't eat eggs cooked the previous day. Egg yolks can easily be contaminated and, therefore, harmful to health. They can cause gastrointestinal discomfort, flatulence, and other gastrointestinal problems like diarrhea and bloating.

However, if the eggs have been fully cooked, sealed properly, and kept in the refrigerator, they can generally be stored without problem for 48 hours.


4. Leafy Green Vegetables

Dark, green leafy vegetables contain a lot of nitrates. If cooked and left to eat the next day, they promote the decomposition of bacteria, and the nitrate will be changed into nitrite, which may increase cancer risk.


5. Mixed Salads

Mixed salads have many ingredients, such as dressing, vinegar, and dried fruits. Even if you save it in the refrigerator for the next day, the salad could be prone to mold and pose a health risk.


6. Seafood

Fish, shellfish, and oysters should not be kept overnight if they are steamed or grilled. The next day, fish and seafood are prone to protein degradation and can damage liver and kidney function.


Now you know the list.

Try not to make too much of these foods, so you don't have to throw them away!

This content is accurate and true to the best of the author’s knowledge and does not substitute for diagnosis, prognosis, treatment, prescription, and/or dietary advice from a licensed health professional. Drugs, supplements, and natural remedies may have dangerous side effects. If pregnant or nursing, consult with a qualified provider on an individual basis. Seek immediate help if you are experiencing a medical emergency.


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    • profile image


      5 years ago

      Say, you got a nice blog post. Really Cool. kfbebfdbgdae

    • profile image


      5 years ago

      Very efficiently written post. It will be valuable to anyone who usess it, as well as myself. Keep doing what you are doing i will definitely read more posts. dgdddddeaedg

    • profile image


      6 years ago

      What kind of propaganda or bull is this? What journal of medicine, Scientific American, or other reputable source is this based from?? Don't even go there if you're thinking 'common knowledge'. If this is so dangerous, why hasn't there been more articles about this, and why do some of the articles only originate from a certain country??

    • profile image


      6 years ago

      Could you provide where you got the sources from? Thanks.

    • ihealthyliving profile imageAUTHOR


      8 years ago

      Thanks for bookmarked this hub. I'm glad that you think they are helpful information.

    • livingpah2004 profile image


      8 years ago from USA

      What an eye opening tips. Thanks for sharing. Bookmarked and voted up!


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