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Why does solanine make a potato green in colour?

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Bradly Kertzmann

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Q: Why does solanine make a potato green in colour?
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If the potato peel is green but the inside is white are they ok to eat?

When the skin turns green it means the potato was exposed to too much light. The green hue is an indicator that an alkaloid, called solanine, may be present under the skin of the potato. Solanine develops in potatoes when they are stored in the presence of light (which also encourages chlorophyll formation) and either at very cold or quite warm temperatures. It is toxic, however it would take a very large number of green potatoes to make you ill. This apllies to the green sprouts and skin.


What disease is caused by eating raw potato?

Eating raw potatoes is generally not recommended due to the presence of certain compounds that can be harmful when consumed in large quantities. The main concern is a group of naturally occurring toxic compounds called glycoalkaloids, with solanine being the most notable. Solanine is found in higher concentrations in the green parts of the potato, such as the skin and sprouts. When potatoes are exposed to light or stored improperly, they can develop green patches, indicating increased solanine levels. Consuming high levels of solanine can lead to solanine poisoning, which is characterized by symptoms such as nausea, vomiting, diarrhea, abdominal pain, headaches, and in severe cases, confusion, and respiratory failure. It's important to note that cooking potatoes at high temperatures, such as boiling, baking, or frying, can significantly reduce the solanine content and make them safe to eat. However, it's advisable to avoid eating potatoes that are green or have sprouted. While solanine poisoning is a concern related to the consumption of raw or improperly prepared potatoes, it's not a specific disease but rather a toxic reaction to the glycoalkaloids in the potatoes. To minimize the risk of solanine poisoning, it's recommended to store potatoes in a cool, dark place, away from light, and to discard any potatoes with green patches or sprouts. If you suspect solanine poisoning or experience severe symptoms after consuming raw potatoes, seek medical attention promptly.


Are potatoes with greenish tint edible?

No! The green hue is an indicator that an alkaloid, called solanine, may be present under the skin of the potato. Solanine develops in potatoes when they are stored in the presence of light (which also encourages chlorophyll formation) and either at very cold or quite warm temperatures. It is toxic, however it would take a very large number of green potatoes to make you ill. This applies to the green sprouts and skin. If the entire potato is green discard immediately.


Can potatoes make you sick?

Potatoes are a member of the nightshade family and contain the toxin solanine. A healthy potato tuber which is white and firm is perfectly safe to eat. When exposed to sunlight, potatoes turn green under the skin. This is an indication that the levels of solanine have increased. Most health professionals recommend that potatoes which have turned green be thrown away although some reports say it is safe to eat if you remove the green bits as well as any eyes or sprouts as they also contain high levels of solanine. It has also been reported that if you do eat potatoes which have turned green, after removing the green bits, deep-fry the potatoes as the toxin leeches into the oil. Discard of waste-oil. Never eat any of the outer part of the plant as the stems and leaves contain very high levels of solanine. See answers to: Are potatoes poisonous? What is solanine?


Why not eat green potatoes?

I'm not sure if this is true or not but I think that it turns green from it being in the light or in the sun. for example if your making mashed potatoes and you put your potatoes on the window sill and there is TONS of light and you leave it there for five hours cuz you forgot and you saw it and it's green than that's probally cuz of too much LIGHT NOT DARK. I hope it's right.


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Are potato sprouts poisonous?

Potato Sprouts are toxic (poisonous) A sprout of any size can be toxic, but you'd have to eat many sprouts to get sick. Do not buy if they have sprouted or have a green tint to the skin. There is no problem with the potato; just cut off the sprouts, and it's fine for eating. The same is true for potatoes that turn a greenish hue. A potato in this condition is "light-struck" which causes a build-up of a chemical called Solanine. This is a natural reaction to the potato being exposed to too much light. The green part, if eaten in large quantity, can cause illness. If there is slight greening, cut away the green portions of the potato skin before cooking and eating.


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it makes a dark green bogey colour i think


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