Calculations have shown that 2 to 5 mg/kg of body weight is the likely toxic dose of glycoalkaloids like solanine in humans, with 3 to 6 mg/kg constituting the fatal dose. Other studies have shown that symptoms of toxicity were observed with consumption of even 1 mg/kg.
Is glycoalkaloids harmful?
Public Health Significance High levels of glycoalkaloid are toxic to humans. Acute symptoms, which generally occur 30 minutes to 12 hours after ingestion, include nausea, vomiting, stomach and abdominal cramps, and diarrhoea.
How many potatoes is toxic?
Symptoms of solanine poisoning The normal amount of solanine in a potato's peel means a 200-pound person would have to eat 20 pounds of potatoes to experience a toxic level, according to the University of Nebraska. However, exposure to light can increase solanine levels up to 10 times.
Can potatoes become toxic?
The presence of chlorophyll in a potato means that a glycoalkaloid poison named solanine is also present. A defense against insects, this nerve toxin (which is in the nightshade family) can result in headaches, vomiting, diarrhea, and even paralysis if ingested in very high amounts.
How many green potatoes make you sick?
According to a recent report by Alexander Pavlista, a professor of agronomy and horticulture at the University of Nebraska, Lincoln, a 100-pound person would have to eat about 16 ounces of a fully green potato to get sick.
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