Onion is being use for century not just for flavour, but also for therapeutic properties.Onion have an antibacterial and antifungal properties. Some people mixed vinegar with onion juice and apply it in their freckles and warts, it is believed that it can remove/reduce this skin problems.
Onion have many vitamines, values of onion for 100 gm: Vitamin A : 50 I.U. , Vitamin B, Vitamin C : 9 mg, Calcium : 32 mg, Phosphorus : 44 mg, Potassium : 300 mg., Carbohydrates : 10.3 gm., Protein : 1.4 mg., Calories : 45.
Onion is very usefull in:
Asthma, Influenza, Colds, Tuberculosis, Insomnia, Pneumonia, Antiallergy, Obesity, Reduce inflammation, Slightly laxative, High Blood Pressure, Lowers cholesterol, Prolong longevity, Helps destroy worms and other parasites, Bronchitis (inflammation of the bronchial tube), Neuritis (inflammation of the nerves), Vertigo (inflammation of nerves), Diuretic (increases the secretion of urine), Diabetes mellitus – lowers blood sugar, Valuable for the hair, nails of the fingers and toes, and for the eyes, Sinus conditions – helps to drain mucus from the cavities and loosen phlegm, Whether fresh or cooked onions have antiplatelet, adhesiveness, thus preventing thrombosis.