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Unlike other fruits, avocados only begin to ripen when they are harvested from the tree. However, the ripening of this fruit occurs quite quickly after it has been picked. After the avocado is ripe, just a few days later it will begin to spoil and become unusable. Here are 5 telltale signs when an avocado has gone bad and shouldn't be used anymore.
1. The avocado is soft and the rind is concave
When testing the ripeness of an avocado, users should use the palm of their hand to gently squeeze around, instead of pressing on the avocado with a finger, which may cause the avocado seal to darken. If the avocado is still firm and does not appear hollow, the avocado is not ready to eat. Conversely, when the butter has reached a certain degree of softness, with a slight indentation when it is molded around, the butter is ready to be enjoyed.
However, when kneading the avocado with a little force, but it becomes soft and has deeper indentations, it may not be hard enough to cut into slices, but will be more effective when making a pickle. Damaged avocados often appear very deep indentations and can feel the pulp inside, no longer keeping the shape of the avocado.
2. The shell turns dark black
Some avocados have a marked change in skin color as they ripen, for example avocado like HASS, which accounts for about 80% of the world's avocado mass. This type of avocado usually has a bright green skin and has raised areas in the peel. As the avocado ripens, it gradually turns dark green and brown. If the skin is gradually turning a dark brown to black, this is an effective sign that the avocado may have gone bad inside and is no longer edible.
However, some other types of avocado such as Zutano, Fuerte have a green skin, which is not changed by the ripening of the fruit. So, for this type of butter, the best way is to taste it or taste it directly.
3. The avocado flesh is dark and black
Cutting an avocado to determine if it's spoiled is the simplest and most effective. However, this is only an option after having bought avocado to take home. The flesh of fully ripe avocados is usually bright green or dark green. With damaged fruit, the flesh will appear black and brown spots.
4. Strange smell and taste appear
Ripe avocados are usually fragrant, naturally sweet, slightly bitter, and have a strong nutty flavor. However, when avocados are overripe and no longer usable, they will emit a strange scent, which can be offensive to some people. If the avocado meat tastes sour and has a strange odor, this could be a sign of bacteria and should be eliminated from the diet. This can happen when oxidation or bacterial invasion breaks down the texture of the unsaturated fat in the avocado.
rancidity can produce toxic compounds that have negative effects on human health. The taste of spoiled avocados can vary, but is usually easily identifiable by visual inspection and their unusual taste.
5. Milestones
Mold on avocados is usually white or gray in color and appears rather translucent. Smell testing can be dangerous because of the potential to inhale mold spores and cause breathing problems for some people.
Users should avoid buying avocados with suspected mold on the outside, as mold can easily penetrate the flesh of avocados. After opening an avocado and seeing signs of mold, users should discard the whole fruit. Although mold may only appear on one rich area, it can easily be spread through tender flesh.
Whether it is safe to use an overripe avocado depends on how ripe the fruit is. Since the ripening process of this fruit begins at the tip of the stem and works its way down, you can still use part of the ripe fruit if the flesh just starts to turn brown. However, the discolored areas should not be eaten.
After slicing an avocado, the avocado flesh will begin to oxidize and gradually turn brown. This is a natural process, similar to how an apple turns dark after juicing. If this affects the taste, the user can skip the discolored layer and eat the rest. To minimize the browning of the cut avocados, users can apply lemon juice on the flesh, store in an airtight container, in a refrigerator environment. In addition, freezing avocados can inhibit fruit ripening.
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Healthline.com Reference Article
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This article is written for readers from Sài Gòn, Hà Nội, Hồ Chí Minh, Phú Quốc, Nha Trang, Hạ Long, Hải Phòng, Đà Nẵng.
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