ChEBI: 5,6-dehydrotomatine is a steroid alkaloid that consists of tomatine which has undergone formal dehydrogenation across positions 5 and 6. Found in tomatoes. It has a role as a plant metabolite, an antifungal agent and a phytotoxin. It is a glycoside, a steroid alkaloid, a tetrasaccharide derivative and an alkaloid antibiotic. It is functionally related to a tomatine.