1, whitening and beautifying
Glutathione can inhibit melanin production and improve eczema, dermatitis, urticaria or liver spots. The flavonoids from Dendrobium bark have whitening effect.
2. Prevent colds
Onions are spicy and slightly warm. It has the function of dispersing cold. Eating onions raw can prevent colds. Among onions, white-skinned onions are suitable for raw food.
3. Help digestion
Onions are pungent in taste and can stimulate the secretion of gastrointestinal digestive glands. Thereby increasing appetite and helping digestion.
4. Reduce blood sugar
Onion can be used as an antidiabetic drug, because according to the clinical trial of lowering blood sugar, it does have an effect of 80%, and it will not cause hypoglycemia, so it is a safe and effective antidiabetic food.
5. Prevention of osteoporosis
Flavonoids from cortex dendrobii contained in onion have estrogen-like effects, which can be compared with female hormones or osteoporosis drugs. It has been reported that eating 200-300g of onion every day can effectively prevent osteoporosis.
6. Prevent aging
Protein saccharification will lead to the decline of body function and the generation of AGE substances related to aging. Onion can control blood sugar, indirectly prevent the generation of AGE and prevent aging. Flavonoids from Dendrobium bark are powerful antioxidants, which can inhibit the aging caused by free radicals.
7. Help clear blood
The level of fibrinolysis (dissolving fibers to make blood circulation smooth) is related to hypertension, hyperlipidemia and arteriosclerosis. According to the experiment, people who eat enough onions every week have the highest fibrinolytic activity, while those who don't eat or eat less have low fibrinolytic activity. It can be seen that onions can improve fibrinolytic activity and achieve the effect of clearing blood.
8. Improve constipation
The sulfur component of 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 vigorous, while oligosaccharides can also inhibit the proliferation of bad bacteria in the intestine and effectively improve the common constipation symptoms of girls.
9. Prevent cancer
The anti-cancer effect of onion comes from its rich selenium and quercetin. Selenium is an antioxidant, which can stimulate human immune response, thus inhibiting the division and growth of cancer cells and reducing the toxicity of carcinogens. Quercetin can inhibit the activity of carcinogenic cells and prevent the growth of cancer cells. According to a survey, people who often eat onions are 25% less likely to develop gastric cancer than those who don't, and 30% less likely to die from gastric cancer.