Nine glucosinolates were identified by HPLC in Chinese kale,including five aliphatic glucosinolates (gluconapin, progoitrin, sinigrin, glucoraphanin and glucoiberin) and 4 indole glucosinolates (glucobrassicin, 4-methoxyglucobrassicin,
neoglucobrassicin, and 4-hydroxyglucobrassicin) (Fig. 1 )