A 2022 review suggests that quercetin in onion could inhibit the growth of several strains of bacteria, including Helicobacter pylori, which is associated with stomach ulcers and certain digestive ...

Scientists make your stomach turn bright green if you have an ulcer. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2014 / 01 / 140108112656.htm ...

The trick is to make the ulcer-causing bacteria in the gut light up in fluorescent green. Doctors may soon be able to diagnose stomach ulcers without taking tissue samples from the stomach.