I was supervising a lab and a student wanted to extract the capsaicin out of peppers. We took around a pound of habanero peppers and in a few batches, froze them with liquid nitrogen so we could grind them in a mortar and pestle. After that we placed the ground up peppers in a half liter hexane...
I made a small batch of chili, after cooking I shredded a clove of garlic and added a teaspoon of not cayenne pepper powder. A few hr later it burned when I urinated but only once and after that I was fine. Has this happened to anyone?