Is roasted cashew nuts poisonous? Because roasted cashews have skins on the outside! This skin should be a seed coat, but yes, the seed coat should be poisonous! Do you have roasted cashews?
Toxic part of urushiol: raw cashews When you buy "raw cashews" in the store, be sure to buy steamed and partially raw. This is because raw cashews contain urushiol, which is also the same toxic chemical found in poison rattan, which can make people have the same reaction as contacting poison rattan and poison oak. Ingesting a large amount of urushiol can be fatal. Although there are few cases of cashew nut poisoning, cashew nut peeling workers sometimes have hidden dangers of side effects because of close contact.