Onions are used in almost all the food we make. It cannot be replaced. But, we always throw away its peel and that is the biggest mistake we make.
Many antioxidants are present in the onion peel. They have a lot of health benefits.
A lot of dietary fiber, antioxidants and flavonoids are found in its outer brown layer. They are all good for the skin. The skin actually has more antioxidants than onion by itself.
The onion skin also has quercetin. It is a wonderful pigment and very powerful. It prevents clogging of arteries and reduces hypertension. It also has antibacterial, anti cancer and anti fungal properties. It also has flavonoids. These destroy free radicals since they are good antioxidants.