Green potatoes are a common sight in farmers markets and supermarkets. Potatoes are considered a staple food in many parts of the world, and they are consumed in a variety of dishes. However, green potatoes are often shunned because they are believed to be toxic. Even though potato greenness is not dangerous in itself, it is often an indication that the potato has become toxic. In this article, we will explore the topic ‘Is it ok to eat green potatoes?’ and answer all your questions regarding the consumption of green potatoes.
What are green potatoes?
When exposed to sunlight, potatoes tend to develop chlorophyll, which is responsible for the green color. This phenomenon is known as greening, which affects the skin, flesh, and even the sprouts of the potato. Potatoes that have been left exposed to light for too long turn green and develop rough, wrinkled skin. Green potatoes may also be characterized by their bitter taste and strong odor.
Why are green potatoes considered harmful?
Green potatoes are considered harmful because they contain solanine, a bitter and poisonous compound that is found in the potato’s leaves, stems, and sprouts. Solanine protects potatoes from insects and animals, but it can also cause food poisoning in humans. Symptoms of solanine poisoning include nausea, vomiting, diarrhea, and stomach cramps.
What is the safe level of solanine in potatoes?
The safe level of solanine in potatoes is less than 20 mg per 100 g of fresh potato. The concentration of solanine increases in green potatoes, sprouted potatoes, and potatoes that are stored in warm temperatures. It is advisable to inspect potatoes before consuming them and discard any potatoes that are sprouted or green.
Can you eat green potatoes if you remove the green part?
Removing the green part of the potato does not eliminate all the solanine. Solanine can penetrate beyond the green surface of the potato, and it is difficult to tell how far into the potato it has spread. To be on the safe side, it is better to discard green potatoes instead of trying to salvage them by removing the green part.
Can cooking green potatoes remove the solanine?
Cooking green potatoes does not remove the solanine, and it may even increase its concentration. High temperatures can break down solanine into other toxic compounds, such as solanidine, which can cause adverse health effects. It is best to avoid cooking or eating green potatoes altogether.
What should you do with green potatoes?
The safest thing to do with green potatoes is to dispose of them safely. You can also avoid buying green potatoes by choosing potatoes that are stored in a dark, cool place. If you notice any green potatoes in your potato stash, remove them immediately, and store the remaining potatoes in a safe place.
What are the alternatives to green potatoes?
There are plenty of alternatives to green potatoes that are just as nutritious and delicious. Some popular substitutes include sweet potatoes, yams, carrots, turnips, beets, and parsnips. These vegetables are rich in fiber, vitamins, and minerals and can be used in a variety of dishes. You can also opt for white potatoes that have not turned green or are sprouted. Be sure to store these potatoes in a cool, dark place to prevent them from becoming green.
Why do potatoes turn green?
Potatoes turn green due to exposure to light, either natural or artificial. Light causes the potato to produce chlorophyll, which makes the potato green. The green color is an indication that the potato has high levels of solanine, which makes it toxic. Potatoes that are stored in a dark, cool place are less likely to turn green.
How can you prevent potatoes from turning green?
You can prevent potatoes from turning green by storing them in a dark, cool place, such as a pantry or a cellar. You should also avoid keeping potatoes near windows or light sources. If you buy potatoes that are already green, avoid eating them and discard them immediately.
Are there any health benefits of green potatoes?
Green potatoes do not have any health benefits and are considered toxic. Consuming green potatoes can cause food poisoning, which can lead to severe health problems. Eating green potatoes is not recommended, and you should always choose fresh, non-green potatoes for your meals.
What are the signs of solanine poisoning?
Signs of solanine poisoning include nausea, vomiting, diarrhea, stomach cramps, and fever. In severe cases, solanine poisoning can lead to respiratory failure, heart failure, and even death. If you experience any of these symptoms after consuming green potatoes, seek medical attention immediately.
What is the difference between new potatoes and green potatoes?
New potatoes are baby potatoes that are harvested early and have not had the chance to develop solanine. These potatoes have a thin skin, a waxy texture, and a delicate flavor. New potatoes are usually sold in small bags or baskets, and they are a popular ingredient in salads and stews. Green potatoes, on the other hand, are mature potatoes that have turned green due to light exposure. These potatoes are toxic and should be avoided.
Can you use green potatoes to make compost?
Green potatoes are not recommended for composting because they contain solanine, which is toxic to plants and animals. Solanine can accumulate in the soil and can cause harm to beneficial organisms, such as earthworms and microbes. It is best to discard green potatoes in the trash, where they will not harm the environment.
Summary
Green potatoes are toxic due to the presence of solanine, a poisonous compound that can cause food poisoning. Eating green potatoes is not recommended, and it is best to dispose of them as soon as possible. To prevent potatoes from turning green, store them in a dark, cool place, away from light. If you notice any green potatoes, remove them immediately and store the remaining potatoes in a safe place. Always choose fresh, non-green potatoes for your meals, and avoid cooking or eating green potatoes.
References
- National Capital Poison Center. (2020). Solanine. https://www.poison.org/articles/2013-jun/solanine
- United States Department of Agriculture. (2012). Understanding Potatoes. https://www.ars.usda.gov/ARSUserFiles/10260500/2045/USPotatoes.pdf
- World Health Organization. (2017). Food Safety. https://www.who.int/news-room/fact-sheets/detail/food-safety
FAQs
- Q: Can you eat potatoes with eyes?
- A: Potatoes with eyes can be consumed, but they may not taste as good as fresh potatoes. You can remove the eyes by cutting them out with a knife or peeler.
- Q: Can you eat sprouted potatoes?
- A: Sprouted potatoes are not recommended for consumption. The sprouts contain high levels of solanine, which can cause food poisoning.
- Q: How long can you keep potatoes?
- A: Potatoes can be stored for several weeks, depending on the storage conditions. Potatoes stored in a cool, dark place last longer than those kept in a warm, humid environment.
- Q: How can you tell if a potato is bad?
- A: A bad potato may have a moldy or rotten smell, soft spots, or green patches. If you notice any of these signs, discard the potato immediately.
- Q: Are potatoes healthy?
- A: Potatoes are a good source of carbohydrates, fiber, and vitamins. They are also low in fat and sodium. Consuming potatoes in moderation can be part of a healthy diet.