Abstract A new flavonol glycoside, rhamnocitrin 3- O -β-neohesperidoside was isolated from the dried leaves of Boscia salicifolia , together with rhamnetin 3- O -β-neohesperidoside, rhamnocitrin 3- O -β-glucopyranoside, and rhamnetin 3- O -β-glucopyranoside.