Onion

Onion, also known as ball onion, green onion, jade onion, spring onion, dutch onion, leather teeth, etc. Allium is a biennial herb. Onion contains prostaglandin A, which can reduce peripheral vascular resistance and lower blood viscosity. It can be used to lower blood pressure, refresh the brain, relieve stress and prevent colds. In addition, onions can also remove oxygen free radicals in the body, enhance metabolic capacity, anti-aging, prevent osteoporosis, is a health food suitable for the elderly.