By eating, pardon, sampling alchemical ingredients, we open their alchemical properties. I am aware that their properties can be discovered by experimenting at a lab (or checking internet databases, for that matter), but eating, pardon, sampling is the easiest way to discover at least the first property for starters.
This not to complain or anything, just picturing your canon Epic Nord Warrior Hero Dragonborn putting in his mouth every piece of crap he picks off the ground (giant's toe, anyone?) like a toddler is so hilarious, I just couldn't help sharing the laugh
