Yes, there is a difference!
Red or white? No, we’re not talking about wine. Onions come in many shades, too! And while they may be able to make you cry, you definitely won’t cry (unless they’re happy tears) after you hear about this new research.
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Of all the types of onions, the red variety are the most effective at
killing breast and colon cancer cells, according to a recent study published in Food Research International. And that’s not the only reason they’re one of the healthiest vegetables you can eat.
Researchers from the University of Guelph removed the antioxidant
quercetin from five different onion varieties and placed them in direct
contact with colon cancer cells. The red onions killed more of the
cancer cells than any other variety, they reported.
Turns out, the dark color of red onions—which indicates higher levels
of anthocyanin, a pigment that increases the effectiveness of
quercetin—could make them powerful cancer fighters. “Anthocyanin is
instrumental in providing color to fruits and vegetables, so it makes
sense that the red onions, which are darkest in color, would have the
most cancer-fighting power,” study author Abdulmonem Murayyan said in a statement.
[post_ads]According to Murayyan, the “onions activate pathways that encourage
cancer cells to undergo cell death. They promote an unfavorable
environment for cancer cells and they disrupt communication between
cancer cells, which inhibits growth.”
Of course, we shouldn’t discriminate; every onion variety provides
these benefits. “All onions are potent cancer fighters thanks to their
high concentrations of the antioxidants anthocyanin and quercetin,”
Karen Ansel R.D.N., author of Healing Superfoods for Anti-aging: Stay Younger, Live Longer told Women’s Health. But red onions come out on top, thanks to their high amounts of the pigment anthocyanin.
Scientists hope to test the effects of red onions on humans in the
future. Until then, you can easily try swapping white onions for red to
reap the most benefits from their powerful antioxidants. If you do,
here’s how not to cry while you’re chopping them.
