This vegetable needs to be boiled for about 10 minutes to remove the poison.

Savage beans need to be boiled for 10 minutes to remove the poison. Eating them raw or undercooked can easily cause poisoning because they contain a poisonous protein "lectin" and hemolysin. If you eat them undercooked, they will Symptoms of poisoning such as nausea, vomiting, stomachache, and dizziness will appear in about 3 hours, so be careful to stir-fry it. If you eat it cold, cook it for 10 minutes.