1, cancer prevention. Onion contains sulfur-containing organic compounds, which can induce detoxification enzymes of carcinogens (such as nitrite), so it can prevent gastric cancer, esophageal cancer, colorectal cancer and so on.
2. Prevent aging. Onions can control blood sugar, indirectly prevent aging and prevent aging.
3, lower blood sugar. The field experiment shows that onion can be used as an antidiabetic drug and is a safe and effective antidiabetic food.
4. Improve constipation. Sulfur in onion combines with protein in large intestine or bacteria in intestine to form hydrogen sulfide, which can promote intestinal peristalsis. Rich soluble dietary fiber can stimulate the intestine and make exercise more energetic, while oligosaccharides can also inhibit the reproduction of bad bacteria in the intestine and effectively improve the common constipation symptoms of girls.
5. Improve eye fatigue. Glutathione can promote the synthesis of corneal collagen and maintain the transparency of lens. Onions are rich in glutathione, which can improve the effects of eye fatigue and blurred eyes.