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Friday, August 30, 2013

MEDICINAL CONTENT OF ONION


How to use onion to cure diabetes, cough, hypertension and heart diseases.
Medical value of onions and garlic has been known since the early days of man. Onion constitutes one of the major vegetable crops in Nigeria and other African countries. They are also cultivated in Asia and some parts of Europe. Onion have been cultivated for so long that their country of origin is not known. These days, all the onions being used are cultivated by man.

Many people all over the world eat onions as salad and numerous savoury dishes paying little or no attention to their medicinal values. It is on record that the Egyptian and the Romans have for centuries used onions as medication. The slaves that constructed the great pyramid of Egypt were given onions and garlic on daily basis to sustain their strength. The roman soldiers also took onions regularly for vitality and strength.

The biochemical composition of onions is very high. Onions or garlic contains protein, calcium and vitamin A, B, C and E in valuable quantities. Onions and garlic posses some characteristics pungent odour and taste due to the presence of certain disulphide compounds known as Allicin. Allicin are irritant, volatile substances which attack the eyes giving rise to the usual eye watering often experienced when onions are peeled or cut.

The two popular species of onions and garlic in Nigeria are the single but large bubbled variety called Allicin Cepa and the multiple but small bulbbed variety called Alliums Sativum.

The fresh bulbs of onions and garlic are being used by herbalists all over the world for divers and numerous human ailments. The fresh bulb is known and proven to be antibacterial, anti-hypertension, expectorant, anthelmintic and mildly fungicidal.

Onions and garlic are used for the treatment of cough, hypertension, diabetes, heart diseases and acute respiratory failures and shock. Onions and garlic relieve some forms abdominal pain caused by indigestion since they stimulate the release of bile from the gut. The fresh bulb of onions and garlic are useful resuscitate agent in cases of acute fainting, shock and powerless state. A small peel of the bulb when cut and rubbed into the nostril of a shocked or fainting person reawakens him by stimulating respiration or breathing. Regular consumption of fresh onion is recommended for heart attack victims.

It gradually reverses the pathological hardening of blood vessels in the human body including those in the heart muscle, thereby improving blood circulation in the heart. In a similar manner, it lowers high blood pressure resulting from arteriosclerosis (hardening of the blood vessels). Fresh onions and garlic should therefore form part of the regular diet of the hypertensive.
When eaten raw, they also play a role in reducing the quantity of sugar in the blood. It is therefore good for the diabetic. Onions and garlic are also known to stimulate hair growth. It also stimulates the appetite for food, a recognized appetizer.