Help prevent bacterial infection

Onion has nevertheless been shown to help prevent bacterial infection. Along with its sulfur containing compounds, the flavonoid quercetin contained in onion helps provide these antibacterial benefits. Onions range in size, color, and taste depending upon their variety. There are generally two types of large, globe shaped onions, classified as spring/summer or storage onions. The former class includes those that are grown in warm weather climates and have characteristic mild or sweet tastes.