What happens if you eat expired mayonnaise?

In this article, we will answer the question “What happens if you eat expired mayonnaise?”, what to do with expired mayonnaise, what to do after you accidentally consume expired mayonnaise, how to tell if the mayonnaise is spoiled, does homemade mayonnaise go bad, what is the shelf-life of mayonnaise. 

What happens if you eat expired mayonnaise?

If the mayonnaise is spoiled, it will manifest in the form of an off-smell, off-odor, weird texture, or discolored appearance. Sometimes the mayonnaise may look alright but cause food poisoning, especially in sensitive individuals. 

Subsequently, a person may experience diarrhea, vomiting, stomach pain, and nausea, depending on the amount consumed and the pathogenicity of the microbes ingested. The symptoms should go away within 3 days of consumption. If they persist, seek medical help.

What to do with expired mayonnaise?

Expired mayonnaise is not necessarily spoiled. Therefore, you can use it for anything you use fresh mayonnaise for. If stored correctly, expired mayo should be good within 3-4 months of its expiry at maximum. 

After 3-4 months, it is better to discard your expired mayo and not take any risks. Closely inspect your expired mayo before using it. Get a little creative when it is time to finish the expired mayo before it’s too late.

Use it to make potato salad, or mix it in a sauce for a rich creamy texture. Moreover, you can try incorporating it into a sauce or dip. Adding it to chicken filling for sandwiches is also a good idea.

What to do after accidentally consuming expired mayonnaise?

Be patient 

As aforementioned, the symptoms of food poisoning do not last more than 3 days under normal circumstances. So, eat healthy to fight the infection and bid it farewell after 3 days. Contact your doctor if the symptoms worsen or in case of severe dehydration.

Stay hydrated 

This is very important. Your cells need water to function because your body is made up of 70% water. Do not deprive yourself of liquids when you are suffering from food poisoning. Hydration will boost your immunity to fight the infection. 

Rest 

Take rest, both mentally and physically. Eat light, bland, and nutritious food. Engage yourself in activities that do not require physical or too much mental exertion. Take a walk to feel better or meditate if it helps.

Take OTC medications 

Consult your doctor to prescribe over-the-counter medications such as Pepto-Bismol, Tylenol, and Advil to relieve pain. Refrain from self-medication.

See a doctor 

If you increasingly feel unwell, you need to see a doctor.

How to tell if the mayonnaise is spoiled?

Mold: The appearance of mold in the form of colored fuzzy spots is a telltale sign of spoilage. Get rid of the moldy mayonnaise immediately as it can cause food poisoning. 

Off-smell: The eggs in the mayonnaise have a limited shelf-life. They limit the shelf-life of mayonnaise. If your mayonnaise starts to smell rancid, acidic, or rotten, it needs to be tossed.

Off-taste: If everything else looks good, you can taste-check the mayonnaise for the final verdict. If the taste is off, there is nothing you can do about it. Throw it out and get yourself a new bottle of mayo. 

Does homemade mayonnaise go bad?

Yes, homemade mayonnaise goes bad and only quickly if stored improperly. Due to the lack of preservatives and the presence of fresh ingredients, homemade mayonnaise won’t last more than a week in the fridge. 

It is recommended to discard it after a week of refrigeration even if it looks alright. Because it is better to err on the side of caution. Your health is more important than a bag of mayonnaise that can be saved. 

What is the shelf-life of mayonnaise?

The following table shows the estimated shelf-life of homemade mayonnaise. Note that the mentioned time frames are only for the best quality. 

Storage form Time duration 
Homemade (in an open container)3-4 days 
Homemade (in an airtight container)Up to 2 weeks 

The long shelf-life of the store-bought mayonnaise is attributed to the added preservatives and extensive processing. The following table shows an estimated shelf-life of the store-bought mayonnaise under different storage conditions. 

Type In the pantry In the fridge 
Mayonnaise (Unopened)Up to 3-4 months Up to a year 
Mayonnaise (Opened)A week or so Up to 6-8 months 

Conclusion 

In this article, we answered the question “What happens if you eat expired mayonnaise?”, what to do with expired mayonnaise, what to do after you accidentally consume expired mayonnaise, how to tell if the mayonnaise is spoiled, does homemade mayonnaise go bad, what is the shelf-life of mayonnaise. 

References 

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