Onion is a vegetable which is also known to be one of the essential ingredients of raw salads. Onions emit a sharp flavor and fragrance once they are fried; it is due to the sulfur compound in the vegetable.
Benefits: The phytochemicals in onions along with their vitamin C help improve immunity. Onions contain chromium, which assists in regulating blood sugar. For centuries, onions have been used to reduce inflammation and heal infections. Onions are high in vitamin C, which is needed for the building and maintenance of collagen, which provides structure to skin and hair.