Solanine is not removed by boiling, but it can be destroyed by frying. Solanine poisoning is uncommon as cooks and the public are aware of the problem and tend to avoid green potatoes, in any case, consumption of up to 5 g of green potato per kg body weight per day does not appear to cause acute illness.
Does cooking get rid of solanine?
Unfortunately, boiling and other cooking methods, including baking, microwaving or frying, do not significantly reduce solanine levels. Thus, they won't make green potatoes any safer to eat (9). If a potato has just a few small green spots, you can cut them out or peel the potato.
Does cooking tomatoes remove the solanine?
Green tomatoes contain the highest concentration of the alkoloid solanine, called tomatine. Up to 500 mg per 1 kg of fruit weight can be found in an immature, green tomato. ... Additionally, frying the green tomatoes in hot oil diminishes the solanine content, rendering the green tomato less toxic.