Family Liliaceae

Sibuyas tagalog
Allium ascalonicum L.

WILD ONION

Scientific name  Common names   
Allium ascalonicum Linn.  Bawang pula (Tag.)  Shallot (Engl.) 
Allium cepa (L.) var ascalonicum (L.) Backer. Lasona (Ilk.)   Garden shallot (Engl.) 
  Sibuyas-Bisaya (Bis.)  Baker's garlic (Engl.) 
  Sibuyas-tagalog (Tag.)   

Botany
Low herb, 15 to 50 cm high, with red, ovoid, subterranean bulbs, 1.5 to 4 cm long, 1 to 4 cm in diameter, with accessory bulbs. Leaves are fistular, terete and glaucous with pointed and subulate tips. Peducles are long, erect, fistular and 20 to 50 cm long. Umbels are rounded, 2.5 to 3.5 cm diameter, containing many flowers. The pedicels are 1 to 1.5 cm long. Sepals are free, ovate-oblong, white or pale lilac, less than 1 cm long.

Constituents and properties
• Contains ash, phosphorus, calcium and iron.
• Bulbs considered stomachic, tonic, anthelmintic, antispasmodic, diuretic, expectorant, febrifuge, hypotensive.
Contains a volatile oil that stimulates the tear glands and upper mucous membranes causing the eyes and nose to water. This property is the homeopathic basis for using it in treating illnesses associated with tearing eyes and nasal discharge, such as hay fever and colds.
Bulbs considered aphrodisiac.
Phytochemical screening showed presence of secondary metabolities such as alkaloids, anthraquinones, saponins, cardiac glycosides, tannins, cyanogenetic glycosides and flavonoids.


Uses

Culinary
• Edible parts are flowers, leaves and roots.
• Added to salads, used as flavoriing or vegetable.
Folkloric
• Used for diarrhea, headaches, laryngitis with hoarseness, coughs, amenorrhea, neuralgic pains.
• Used as anthelmintic, stomachic and tonic.
• Poultice of bulb for earache; also, juice dropped into canal.
• In Africa, juice is rubbed on the body for fevers.
In Malaya, juice of bulk, with tumeric juice, is used for stomach aches.
• In the Gold Coast, mixture of bulbs with palm oil and large Capsicums used for fever.

Studies
Anti-Helicobacter pylori:
Crude extract of leaf of AA showed therapeutic potential against H pylori and gastroduodenal disorders.
Renal Protective / Antioxidant: Study showed the protective potential of shallot extract against cyclosporine nephrotoxicity, a benefit probably contributed to by its antioxidant property.
Antibacterial: One of 15 medicinal herbs studied for antibacterial properties, A ascalonicum showed effect against B cereus.

Availability
Cultivated market produce.




Additional Sources and Suggested Readings
(1)
In vitro anti-Helicobacter pylori potential of methanol extract of Allium ascalonicum Linn. (Liliaceae) leaf: susceptibility and effect on urease activity / Phytotherapy Research Vol 18 Issue 5, Pages 358 - 361 / 10.1002/ptr.1265 About DOI
(2)
Haematological evaluation of ethanolic extract of Allium ascalonicum in male albino rats / doi:10.1016/j.fitote.2004.02.006
(3)
Beneficial effect of shallot (Allium ascalonicum L.) extract on cyclosporine nephrotoxicity in rats / Food and chemical toxicology ISSN 0278-6915 CODEN FCTOD7 / 2008, vol. 46, no5, pp. 1844-1850
(4)
Preliminary study of antimicrobial activities on medicinal herbs of Thai food ingredients