Purple and other varieties of cauliflower contain the compounds gluconasturtiin, glucoraphanin
, and glucobrassicin, which stimulate Phase II enzymes.
High nitrogen during growth reduced glucoraphanin
and flavonol content in broccoli (Brassica oleracea var.
Sulforaphane, derived from glucoraphanin
, was a major glucosinolate and a dietary component in broccoli and broccoli sprouts.
Among isothiocyanates, sulforaphane, produced from the glucosinolate glucoraphanin
, has been largely studied as chemopreventive agent in different tumors in vivo, and it is the unique organosulfur compound that has been tested in a clinical trial as antitumorigenic agent  (Table 2).
Glucoiberin, progoitrin, glucoraphanin
, sinigrin, gluconapin, and glucoerucin were detected as aliphatic glucosinolates as well as an aromatic glucosinolate gluconasturtiin.
and 4-hyroxyglucobrassicin contents in seeds of 59 cultivars of broccoli, raab, kohlrabi, radish, cauliflower, brussels sprouts, kale and cabbage.
and 4-Hydroxyglucobrassicin Contents in Seeds of 59 Cultivars of Broccoli, Raab, Kohlrabi, Radish, Cauliflower, Brussels Sprouts, Kale, and Cabbage, J.
Each serving of the Brocco-Yummies contains 250 mg of glucoraphanin
, a naturally occurring phytonutrient that converts to sulforaphane in the body.
The one of most pharmacological interest is glucoraphanin
, a precursor of sulforaphane, which is produced when myrosinase-an enzyme in the glycoside hydrolase family-transforms glucoraphanin
Instead, plants of Brassica genus contain a biologically inactive precursor compound, glucoraphanin
(GRN), which is contained within a plant cell vacuole together with an enzyme, myrosinase (MYR), which is separately compartmentalized .
Instead sulforaphane's precursor, glucoraphanin
, is present along with an enzyme called myrosinase.
It contains glucoraphanin
, a phytochemical naturally found in broccoli.