Onion is rich in antioxidant phenolic constituents such as quercetin 3,40-diglucoside, quercetin, and kaempferol that are considered important contributing factors to antioxidant activity(Albishi et al., 2013).
Onion is rich in antioxidant phenolic constituents such as quercetin 3,40-diglucoside, quercetin, and kaempferol that areconsidered important contributing factors to antioxidant activity(Albishi et al., 2013).