Nutrition:

Purple onions contain many phytochemicals that work to strengthen the immune system of the body. Shallots contain abundant vitamins K, B6 and C. Fiber from purple onions helps better digestion, prevents constipation. Onions are also rich in minerals such as: Folate, Thiamine, Calcium, Magnesium, Potassium and Manganese.
Additional research has shown that the sulfur compounds present in red onions have a strong antioxidant capacity, inhibiting the clotting of blood cells.

Uses:

1. As a seasoning in processing, marinating dishes, can be eaten raw, pickled in vinegar, …
2. Preventing and treating many diseases such as anti-cancer, reducing the risk of cardiovascular disease and high blood pressure, treating diabetes, having antibacterial properties so it is good for digestion.
3. Onions also have a beautiful effect such as anti-inflammatory and acne treatment, in purple onion contains many vitamins such as A, E, C and quercetin active ingredients that help antioxidant extremely well. Skin lightening, regeneration of new cells that fade dark scars on the face (Contraindicated for people with allergic and sensitive skin)