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Do ripe tomatoes contain solanine?

【Expert answer】

Created: 2022-06-21 11:54:10

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The solanine, or tomatine, level dramatically decreases in fully ripe tomatoes, to levels less than 5 mg per 1 kg of fruit weight. These low levels pose no health problems to humans, but even in the ripened form the solanine remaining in a tomato is harmful to cats.


Does tomatoes contain solanine?

Solanine is an alkaloid found in plants of the nightshade family (Solanaceae), specifically tomatoes, eggplant, and most significantly, potatoes.

What part of the tomato contains solanine?

All parts of the plant contain solanine, but the heaviest concentrations tend to be in the leaves and stems. Tomatoes have a long, somewhat shady, history due to their association with nightshade.

How much solanine is in unripe tomatoes?

An unripe tomato that is still completely green does contain the toxic alkaloid solanine. This heat-resistant natural poison is found in all solanaceous crops, like potatoes. Just 25 milligrams of solanine is enough to make one feel uncomfortable: you get a headache and stomach ache and discomfort in your gut.

At what temperature is solanine destroyed?

So there is a good chance that the ripe fruits are edible... If they are not, it is hard to get rid of the solanine. Solanine is heat stable it decomposes over 200°C (about 240-260°C afaik) and it is not (poorly) water soluble.

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