Green Skin on Potatoes: What Causes It and Is It Safe?
Have you ever opened a bag of potatoes, only to find that some of them have green skin? You might wonder if they're safe to eat or if they've gone bad. In this article, we'll discuss what causes green skin on potatoes, whether it's safe to eat them, and how to prevent it from happening in the first place.
What Causes Green Skin on Potatoes?
The green skin on potatoes is caused by exposure to light. When potatoes are exposed to light, they produce chlorophyll, which is what makes the potato skin turn green. This process is called greening. Potatoes that are stored in a brightly lit area or left out in the sun for too long are more likely to develop green skin.
While green skin might not look appetizing, it doesn't necessarily mean that the potato has gone bad. However, it can indicate that the potato has started to produce solanine, a toxic compound that can cause headaches, nausea, and digestive issues if consumed in large amounts.
Is It Safe to Eat Potatoes with Green Skin?
If a potato has just a small spot of green skin, it's usually safe to eat. Simply cut off the green part and discard it. However, if the potato has extensive green skin or has started to sprout, it's best to throw it away.
If you're unsure about whether a potato is safe to eat, use your senses. If the potato smells bad or feels mushy, it's probably gone bad and shouldn't be eaten.
How to Prevent Green Skin on Potatoes
The best way to prevent green skin on potatoes is to store them properly. Potatoes should be stored in a cool, dark place, such as a pantry or cellar. Make sure to keep them away from light sources, including windows and fluorescent lights.
If you buy potatoes in a plastic bag, transfer them to a mesh or paper bag before storing them. This will allow air to circulate around the potatoes and prevent moisture buildup, which can lead to mold growth and spoilage.
In conclusion, green skin on potatoes is caused by exposure to light and doesn't necessarily indicate that the potato has gone bad. However, if the potato has extensive green skin or has started to sprout, it's best to throw it away. To prevent green skin from forming, store potatoes in a cool, dark place and keep them away from light sources. By following these tips, you can ensure that your potatoes stay fresh and safe to eat.
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