A recent study suggested that a 16-oz (450-gram) fully green potato is enough to make a small adult ill.
Is it OK to eat potatoes that are a little bit green?
Green potatoes should be taken seriously. Although the green color itself is not harmful, it may indicate the presence of a toxin called solanine. Peeling green potatoes can help reduce solanine levels, but once a potato has turned green, it's best to throw it away.
What to do if I ate a green potato?
These potatoes are still not safe to eat. A good rule to follow is that if a potato tastes bitter at all, it should be thrown away.1Vomiting.2Abdominal pain.3Diarrhea.4Headache.5Flushed skin.6Feeling confused.7Fever.
How long does it take for potatoes to become poisonous?
After careful analysis of the sequence of events, the onset of symptoms was pinpointed to about four to 14 hours after the boys had eaten boiled potatoes that had a high concentration of the toxin, solanine, a glycoalkaloid that was first isolated in 1820 in the berries of a European black nightshade.
How much solanine is toxic?
It is suggested that doses of 200–400 mg for adult humans can cause toxic symptoms (20–40 mg for children). Most commercial potatoes have a solanine content of less than 0.2 mg g−1. However, potatoes that have been exposed to light and have started to turn green can show higher concentrations.
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