Where are the highest concentrations of solanine typically found in a nightshade plant?

Answer

Leaves, stems, and green parts of fruits or tubers

Solanine is present in trace amounts throughout the edible portions, but the highest concentrations are found in the leaves, stems, and any green areas of tubers or fruits.

Where are the highest concentrations of solanine typically found in a nightshade plant?
fooddiethealthnightshadevegetable