Anyway, reminds me of this:
https://www.mashed.com/300870/brussels-sprouts-used-to-taste-a-lot-different-heres-why/
> Brussels Sprouts Used To Taste A Lot Different. Here's Why
> Dutch scientist Hans van Doorn pinpointed the exact chemical that caused Brussels sprouts to taste so bitter in the 1990s. Once this particular cause of bitter flavor could get identified, breeders began developing new strains of Brussels sprouts that didn't contain the bitter chemical—glucosinolate.