Ha! It just looked like a slice - like maybe the last slice of a chocolate cake. I freaked out - for a moment I thought I had a mouthful of penicillin!
As for okra, this part of the Wiki entry says it all:
The products of the plant are mucilaginous, resulting in the characteristic "goo" or slime when the seed pods are cooked; the mucilage contains a usable form of soluble fiber.