Chemical Analysis on Shwetha Palandu (White Onion) Arka Eye drops in Cataract

Onion is a common vegetable used in cooking throughout the world. Bulbs may vary in size from a walnut to a large orange; color varies according to the variety, white, yellow and red. Its taste is very acrid and pungent; on cutting the oil volatilizes causing irritation of eyes and tearing. Onions are used for treating many symptoms and aliments. The anti-inflammatory compounds in onions can help reduce inflammation in the eyes, which is associated with cataract development. Research indicates that diets rich in fruits and vegetables, including onions, are associated with a reduced risk of cataracts. The therapeutic uses of onion have been described from various research studies. The preparation on eye drops is done by simple distillation method. The chemical composition of distillation of white onion with gas chromatography has been described in this paper.