Also available in 5 mg, 10 mg, 25 mg, 50 mg and bulk. Please contact Fisher for quotes. Myricetin 3-O-glucoside (Myricetin 3-O-beta-D-glucopyranoside) is a flavonol extracted from Tibouchina paratropica, exhibiting anti-leishmania, anti-inflammatory, and antibacterial activities. Purity 99.17%