Why Cashews Are Not Sold in the Shell?

In order to protect customers from skin allergies, cashew nuts are removed from their shells because the seed contain a harmful substance called urushiol and also the shells have a lining that is filled with this toxic fluid, so that is the reason why cashews are not sold in their shell.

How are cashews removed from the shell?

The method of removing the shell from the kernel of the cashew nut which comprises congealing the liquid of the shell by reducing the temperature thereof to a range extending from about 32 F. downwardly, cracking the shell while the liquid thereof is so congealed, and removing the shell from the kernel.

What nuts are never sold in their shells?

In fact, cashews are never sold in the shell — for a very good reason. The cashew nut is actually a seed surrounded by a double shell. The shell contains oils related to the same chemical in poison ivy that causes skin rashes, according to The Nutcracker Museum.