The concentration of nicotine itself is about 100 nanograms per gram of eggplant, compared with 2 milligrams of nicotine per cigarette. ... So, if you're willing to eat 20 000 grams of eggplant (around 20 eggplants) for breakfast, you could skip your morning cigarette.

What vegetables are high in nicotine?

Nicotine is an alkaloid found in the nightshade family of plants (Solanaceae), predominantly in tobacco, and in lower quantities in tomato, potato, eggplant (aubergine), and green pepper. Nicotine alkaloids are also found in the leaves of the coca plant.

What plants naturally contain nicotine?

Where does nicotine come from? The simple answer is: plants. More specifically: the Solanaceae family, commonly known as nightshade. This family includes tomatoes (~332 ng of nicotine each on average), potatoes (~675 ng), and eggplants/aubergines (~525 ng).