red onion tagged posts

Abdulmonem I. Murayyan, Cynthya M. Manohar, Gordon Hayward, Suresh Neethirajan. Antiproliferative activity of Ontario grown onions against colorectal adenocarcinoma cells. Food Research International, 2017; 96: 12 DOI: 10.1016/j.foodres.2017.03.017

Not all onions are created equal. Engineering professor Suresh Neethirajan and PhD student Abdulmonem Murayyan tested 5 onion types grown in Ontario and discovered the Ruby Ring onion variety came out on top. Onions as a superfood are still not well known. But they contain one of the highest concentrations of quercetin, a type of flavonoid, and Ontario onions boasts particularly high levels of the compound compared to some parts of the world.

The Guelph study revealed that the red onion not only has high levels of quercetin, but also high amount...