Can you get sick from eating old onions?

In this short article, we will provide an answer to the question “can you get sick from eating old onions?” and the ways to store onions properly.

Can you get sick from eating old onions?

Yes, you can get sick from old onions which have mold growth on them. 

How to detect if onions are bad or not?

When shopping for onions, always look for clean, firm onions that are free of sprouts and are not bruised. If they have stems coming out of them, they are not fresh at all. Take note of any discolorations such as dark or black spots or splotches of softer tissue on the skin. If an onion has bruises, black or brown areas, or other signs of deterioration, it is more prone to deteriorate.

If you are storing an onion for an extended amount of time, you may have to remove a few dried layers before you can get to the good part of the vegetable. An additional layer that is brown and occasionally slimy will appear in the center of your screen. Because this type of situation is so uncommon, it is not a great problem to throw out one piece as well as a few more just to be on the safe side.

It is the firmness of the onion’s flesh that is the most essential indicator of quality and freshness. If the onion is limp or spongy, it should be discarded. The same rule applies if the vegetable has dark or moldy areas on it or if it has an unusual fragrance to it.

In general, if something is firm and appears to be in good condition, it is likely to be fine. If you’re unsure whether something is safe, don’t be afraid to get rid of it right away.

What is the best way to store onions?

Onions, like garlic and shallots, must be handled with care during storage. Heat, humidity, and airflow are all factors to take into account.

For the first, a cool (but not freezing) climate is ideal; therefore, a pantry or dark cupboard away from the stove will suffice for this purpose. If you are concerned about the second element, be certain that the location is completely dry and that there are no sources of moisture in the immediate proximity.

Make certain that the bag in which you store the onions is large enough to allow for free air circulation around the onion bulbs. A brown bag should be punctured several times and the top left open if you are dealing with one. Using a slotted spoon, transfer the vegetables to a bowl or container without a lid.

When storing onions in a plastic bag, I’d suggest using one of the other options rather than a plastic bag. If possible, avoid piling more than two onions on top of one another as a general rule. It is essential to keep the onions cool and dry by allowing plenty of air to circulate them.

Ethylene is a molecule emitted by many fruits and vegetables that helps to accelerate the process of rotting and ripening. As a result, onions should be kept away from them. Tomatoes, bananas, and nectarines are examples of such fruits.

It is best to store the onions in the refrigerator once they have been chopped or sliced. Place them in an airtight container or freezer bag to keep them fresh. They won’t absorb moisture from the air and won’t dry up like other materials.

Is it feasible to store onions in the freezer?

No! Because the cell structure of the onion will break down during the defrosting process, whole onions should not be frozen because they would turn into mush. Cutting and slicing will be difficult as a result of this.

It will be difficult to prepare the other half of the onion after it has been defrosted since it will be very soft after it has been defrosted.

A variety of methods for storing prepared onions exist, however, chopped/sliced onions may be the most effective method for extending their storage shelf life. The onions can be used straight from the freezer and directly in the pan, which eliminates the need to defrost them first. This saves a significant amount of time in the kitchen.

Keep them protected from the elements by placing them in a zipper bag or plastic container. To ensure that the prepared onions are distributed evenly across the containers, spread them out with a spatula before placing them in the containers. As a result, they will defrost more quickly and cook more evenly the first time you use them in a recipe.


In this short article, we will provide an answer to the question “can you get sick from eating old onions?” and the ways to store onions properly.


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