Isolation and identification of 4-α-rhamnosyloxy benzyl glucosinolate in Noccaea caerulescens showing intraspecific variation

4-α-Rhamnosyloxy benzyl glucosinolate (glucomoringin) was isolated and identified as the main glucosinolate in 10 out of 13 screened Noccaea caerulescens populations. This is the first time that glucomoringin was identified in a member of the Brassicaceae.