Solanine is a glycoalkaloid poison created by various plants in the genus Solanum, such as the potato plant. When the plant's stem, tubers, or leaves are exposed to sunlight, it stimulates the biosynthesis of solanine and other glycoalkaloids as a defense mechanism so it is not eaten.
What causes potatoes to be poisonous?
Potatoes contain two kinds of glycoalkaloids, both natural toxins, called solanine and chaconine. Exposure to light greatly increases the formation of chlorophyll and glycoalkaloids.
How do you know if you have potato poisoning?
Potato plant poisoning occurs when someone eats the green tubers or new sprouts of the potato plant.1Abdominal or stomach pain.2Delirium (agitation and confusion)3Diarrhea.4Dilated (wide) pupils.5Fever.6Hallucinations.7Headache.8Loss of sensation.Potato plant poisoning - green tubers and sprouts - Mount Sinai
What causes solanine poisoning?
A study done by Purdue University stated that the green coloring in a potato is caused by chlorophyll. Chlorophyll is caused when the vegetable is stored in light. Potatoes grow underground and should be kept in the dark. When they are stored on a counter or a place that gets regular light, chlorophyll is produced.
How common is solanine poisoning?
Hoyte says solanine poisoning can be serious but cases are very rare. “I wouldn't eat a whole bag full in one sitting. I would probably not do that but for the vast majority of people, eating a green potato or even a green potato per day is unlikely to cause major toxicity,” he said.
