Pelargonidin 3-Rutinoside is a naturally occurring anthocyanin that was found to be the primary phenolic antioxidant in black raspberry and various other fruits. Pelargonidin 3-Rutinoside was reported to exhibit antioxidant and anti-inflammatory properties. Pelargonidin 3-Rutinoside is also a derivative of Pelargonidin (P218500) having a rutinosyl [6-deoxy-α-L-mannosyl-(1-6)-β-D-glucosyl] residue attached at the 3-hydroxy position and a β-D-glucosyl residue at the 5-hydroxy position.