Application
Onion is a term used for many plants in the genus Allium. it usually refers to Allium cepa. Allium cepa is also known as the "garden onion" or "bulb" onion. It is grown underground by the plant as a vertical shoot that is used for food storage ???
Wide-ranging claims have been made for the effectiveness of onions against conditions ranging from the common cold to heart disease, diabetes, osteoporosis, and other diseases. They contain chemical compounds believed to have anti-inflammatory, anticholesterol, anticancer, and antioxidant properties such as quercetin. For all varieties of onions, the more phenols and flavonoids they contain, the more antioxidant and anti-cancer activity they provide And Some studies have shown that increased consumption of onions reduces the risk of head and neck cancer.