Most of us use onions on a regular basis. They are highly adaptable, aromatic vegetables that offer a ton of flavor to any cuisine! Unfortunately, few people are properly educated on the significance of specific qualities or changes. This is significant since some of them are extremely poisonous. A white liquid that occasionally pours from onions is a typical feature. Nobody understands what it is, what it implies, or what it does.
So, does white liquid from an onion indicate that it has gone bad? It both does and does not. This liquid is present in all onions. However, as the onion ages, it becomes whiter and more fragrant. When the onion becomes entirely rotten, this juice becomes exceedingly white and might be deadly. Today, we’ll go over all you need to know about this enigmatic liquid. We will discuss what it is, when it appears, how it progresses, and what it eventually signifies at various phases.
Identifying The White Liquid
It’s crucial to understand exactly what we’re talking about before deciding whether or not to eat the white liquid. There are a handful of white liquids that you will encounter when it comes to vegetables. Specifically for onions, this white material has a milky or off-white tint. It might be extremely runny at times or slightly thickened at other times. It nearly reminds me of milky juice. This fluid is derived from the onion’s cells. Depending on the onion’s age, the white liquid may begin to ooze out naturally. However, it frequently comes out when you slice the onions (slice through the onion cells).
Let’s get this out of the way right away: all onions have this white liquid, so it isn’t always a sign that they are terrible. However, as the onion begins to deteriorate, it becomes more visible, which is when most people begin to notice it. The presence of the white liquid may indicate that the onion has gone bad. But only if there are additional signs present as well.
What Is The White Liquid?
So, what is this milky white liquid? Water, hydrogen sulfide, sulfuric acid, and sulfur dioxide are combined to form this chemical. The onion eventually burns your eyes due to hydrogen sulfide. This liquid becomes whiter in color, thicker, and flows out more freely as it ages. It also produces an aroma. Sulfur is well-known for its unpleasant odors, which become more noticeable as the milky white liquid ages.
Does White Liquid From An Onion Mean It’s Gone Bad?
As we’ve already stated, just because your onion has a white, milky liquid on it doesn’t necessarily mean the onion is bad. However, this liquid becomes more noticeable as the onion ages. Only when other spoilage symptoms are present does the white liquid indicate rotting onions. Now, how can the white liquid by itself tell you the age of the onion (or whether it is spoiled)?
The white milky liquid will be extremely white to start. The only liquid found in a fresh onion is barely white and resembles diluted milk. However, if the onion begins to rot, the liquid turns very white. Second, when the liquid is made from a fresh onion, it will be extremely runny. This milky liquid gets thicker and may even turn into a gel-like substance as the onion ages and begins to rot.
When the white liquid appears is another clue that it is from an old onion. When sliced, fresh onions only reveal the white liquid. An old onion will simply ooze out this liquid after a significant amount of time because the cell walls have begun to deteriorate (as the onion deteriorates).
Finally, if the onion begins to smell sulfuric (like rotten eggs), it is either beginning to go bad or has already passed the point of no return. You will need to keep an eye out for additional indications of a rotting onion unless one or more of these symptoms are particularly obvious.
Is The White Liquid Safe To Eat?
Again, the age of the onion and, ultimately, the white liquid play a role. The white liquid is completely safe to eat if it comes from a clearly fresh and young onion. However, if there are any other symptoms of a bad onion (such as a white liquid), we do not recommend eating it. The same is true for an extremely smelly onion or a very gel-like white liquid that oozes out of the onion without any slicing. These are all clear indications that the onion has gone bad. And they all manifest themselves through the onion’s white liquid.
Can You Prevent A White Liquid From Forming In Onions?
There isn’t much you can do to prevent this if the white liquid indicates that the onion has gone bad or is starting to. All ingredients rot over time. So using them before they do is the best way to stop this from happening. You can extend the shelf life of these fresh ingredients in a few different ways. However, they will all eventually go off regardless of what you do.
Now, there are a few ways to remove or dilute white liquid from fresh onion. Once more, the white liquid is onion juice that is contained within the cells. It cannot be stopped, but as the onion ages, it becomes more noticeable.
To get the white liquid off of fresh onions, rinse them. Even better, you can soak them in water to help stop the onions from stinging your eyes. When the white liquid is rinsed in water, the hydrogen sulfide is less concentrated.
What Do Fresh Onions Look Like?
White liquid does not come out of the freshest onions. Even when sliced, a super fresh onion will not leak white liquid. Their juice is transparent and even odorless. As the fresh onion ages, it produces a slightly white liquid. This liquid should only ooze out of a fresh onion when it is being sliced. There are also some other obvious signs of a fresh onion.
If your onion is fresh, it should be uniform in color and free of bruises or blemishes. It should also have a completely dry outer skin. There should be no exposed flesh. They should be smooth and firm to the touch. Fresh onions are also odorless and have only faint spicy aromas.
How To Tell When An Onion Has Gone Bad
Fortunately, there are numerous signs that indicate when an onion is not as fresh as it should be, as well as signs that indicate an onion should not be eaten. If mold appears on the onion’s surface (or on the root), it should be discarded. If there is minor black mold on the dry outer skin, simply wipe it away. Check to see if the mold has infected the inside flesh. The flesh of a rotten onion will also be discolored. It is typically gooey and gel-like, with brown, yellow, and black spots. That’s how it begins.
If your onion also has a strong rotten odor (due to the sulfates), throw it away. This is accompanied by a jelly-like white liquid that oozes from the onion when it is not sliced. Onions that are spoiling will lose their firm texture. An onion that is soft or squishy should not be used or eaten. You’ll also notice that the soft onion has a slimy film on it from time to time. It is yet another indication of a spoiled onion. Finally, if the onion has sprouted, it is no longer safe to consume. It indicates that the onion has begun to rot and is feeding on itself.
How To Properly Store Onions
Onion storage is not difficult. However, there are many methods you can employ to help maximize the length of their shelf life. To begin with, keep onions away from moisture and extremely humid environments. It will aid in preventing the growth of mold and the sprouting of the onions. Keep them in a location that is generally cool as well. Even though it doesn’t have to be cold, it should not be warm. For room temperature options, a pantry (a cool, dry place) is ideal. Your refrigerator’s crisper drawer, however, is superior.
Onions should never be eaten with other foods. They have very potent smells that porous foods like dairy, meat, and cheese can readily absorb. Finally, the appropriate packaging should be used to store onions. An airtight container is the best choice. It keeps them dry and prevents any odors from possibly spreading. Just use a Ziploc bag will do. Leafy onions, such as spring onions, should always be kept in the refrigerator. If the leaves are kept at room temperature, they will wilt.