More From Rodale News: 3 Herbs Scientifically Proven to Ease Your Allergies
Researchers exposed 29 people to DEPs and then measured their inflammatory responses in terms of increases in white blood cell counts. Test subjects then got a dose of BSE in mango juice every day for four days. When participants took the BSE, their white blood cell response to the DEPs was 54 percent lower than when they didn't drink the BSE. The researchers concluded that eating broccoli and broccoli sprouts may help lessen the impact of particulate pollution on people with asthma and allergies.
Red Grapes, Blueberries, and Red Wine
These deep-purple treats have one important ingredient in common: a polyphenolic compound called resveratrol. In a 2013 study published in the Journal of Nutrition, researchers found that resveratrol helped suppress the IgE-mediated allergic responses (those spurred by the immunoglobulin E antibody) in mice.
Watermelon and Tomatoes
Both of these summertime fruits are high in lycopene, which has been shown to decrease the allergic response and the accumulation of symptom-producing cell types in the lungs (specifically, the white blood cells called eosinophils). In a 2007 study published in the Journal of Asthma, asthmatics were found to have lower levels of lycopene in their blood than participants without asthma.
If you have a sweet tooth, I've saved the best antiallergy food for last. Cocoa has been found to have some antiallergy properties via reduction in IgE synthesis. In a 2012 study published in the journal Pharmacologigal Research, laboratory animals fed a cocoa-enriched diet for four weeks had lower levels of IgE than rats fed a standard diet. (Check out these other benefits of dark chocolate.)
Adapted from Dr. Psenka's Seasonal Allergy Solution