Acylated flavonol glycosides from the forage legume, Onobrychis viciifolia (sainfoin)

► Acylated flavonol glycoside matrix defined in metabolome of key forage legume. ► Eight acylated flavonol glycoside structures determined by LC-MS/MS and NMR. ► Characterisation of acylated flavonol glycosides enhanced in hyphenated analyses.