There's a lot on the internet about "nightshade" and "poison" and it can be confusing. The tomato is a member of the nightshade family, a family of plants notorious for being poisonous. That's because they contain solanine. But it's important to note that a lot of those are plants we eat today -...
The chemical is called solanine and its concentrations are high in the green parts of the plant - stems, leaves, and unripened tomatoes. The ripening process decreases the solanine levels significantly, and a fully ripe tomato has very little left - not enough to be toxic. There is no clear...