Family- Liliaceae; Alliaceae.
Habitat- Cultivated as an annual all over the country. The most important onion-growing states are Maharashtra, Tamil Nadu, Andhra Pradesh., Karnataka and Madhya Pradesh.
English- Onion.
Ayurvedic- Palaandu, Durgandh.
Unani- Piyaaz.
Siddha/Tamil- Venkaayam.
Action- Antibiotic, antibacterial,antisclerotic, anticoagulant,anti-inflammatory, antiasthmatic,expectorant, carminative, antispasmodic,diuretic, hypotensive,antidiabetic.
Key application- For the prevention of atherosclerosis (German Commission E) and age-dependent
changes in the blood vessels, and loss of appetite (WHO).The official onion bulb of the Pharmacopoeia
of the People’s Republic of China is a different species, Allium macrostemon Bge., than that of the German Commission E monographs,A. cepa. Chinese onion is used for cough, dyspnoea, angina pectoris and
dysentery.Scallions or Spring Onion of Chinesemedicine are equated with Allium fistulosum.
Onion bulbs contain a volatile oil with sulphurous constituents, including allylpropyldisulphide; sulphurcontaining compounds, including allicin,alliin; flavonoids; phenolic acids and sterols.Hypoglycaemic activity of the onion is attributed to the allylpropyldisulphide and allicin. Diphenylamine, isolated from mature bulbs, also exhibits potent antihyperglycaemic activity.Alliin and allicin have an inhibitory effect on platelet aggregation. Antibiotic activity is due mainly to allicin.Regular use of onion (50 g/day) reduces insulin requirement of a diabetic patient from 20-40 units a day.Thiosulphinates, isolated from onion juice, exhibited antiasthmatic activity in vivo.
Dosage- Juice of bulb—10-20 ml.
(CCRAS.)
Habitat- Cultivated as an annual all over the country. The most important onion-growing states are Maharashtra, Tamil Nadu, Andhra Pradesh., Karnataka and Madhya Pradesh.
English- Onion.
Ayurvedic- Palaandu, Durgandh.
Unani- Piyaaz.
Siddha/Tamil- Venkaayam.
Action- Antibiotic, antibacterial,antisclerotic, anticoagulant,anti-inflammatory, antiasthmatic,expectorant, carminative, antispasmodic,diuretic, hypotensive,antidiabetic.
Key application- For the prevention of atherosclerosis (German Commission E) and age-dependent
changes in the blood vessels, and loss of appetite (WHO).The official onion bulb of the Pharmacopoeia
of the People’s Republic of China is a different species, Allium macrostemon Bge., than that of the German Commission E monographs,A. cepa. Chinese onion is used for cough, dyspnoea, angina pectoris and
dysentery.Scallions or Spring Onion of Chinesemedicine are equated with Allium fistulosum.
Onion bulbs contain a volatile oil with sulphurous constituents, including allylpropyldisulphide; sulphurcontaining compounds, including allicin,alliin; flavonoids; phenolic acids and sterols.Hypoglycaemic activity of the onion is attributed to the allylpropyldisulphide and allicin. Diphenylamine, isolated from mature bulbs, also exhibits potent antihyperglycaemic activity.Alliin and allicin have an inhibitory effect on platelet aggregation. Antibiotic activity is due mainly to allicin.Regular use of onion (50 g/day) reduces insulin requirement of a diabetic patient from 20-40 units a day.Thiosulphinates, isolated from onion juice, exhibited antiasthmatic activity in vivo.
Dosage- Juice of bulb—10-20 ml.
(CCRAS.)
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