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Family Liliaceae
Allium cepa L.

Yang cong

Scientific names Common names
Allium angolense Baker Sibuyas (Tag.)
Allium aobanum Araki Cebollas (Span.) 
Allium cepa L. Cebuyas (C. Bis.) 
Allium cepaeum St.-Lag. Lasona (Ilk.) 
Allium commune Noronha Common onion (Engl.)
Allium esculentum Salisb. Onion (Engl.)
Allium napus Pall. ex Kunth Scallions (Engl.)
Allium pauciflorum Willd. ex Ledeb. True onion (Engl.)
Allium salota Dostal  
Ascalonicum sativum P.Renault  
Cepa alba P.Renault  
Cepa esculenta Gray  
Cepa pallens P.Renault  
Cepa rubra P.Renault  
Kepa esculenta Raf.  
Porrum cepa (L.) Rchb.  
Allium cepa L. is an accepted name The Plant List

Other vernacular names
ARABIC: Bassal.
BENGALI: Piaaj, Pinaaj.
BOSNIAN: Crni luk, Crveni luk, Ljetnji luk, Luk.
BURMESE: Kyet thun ni.
CHINESE: Yuan cong, Cong tou, Yang cong.
CROATIAN: Crni luk, Crljenac, Crveni luk, Črlenec, Luk, Sijanac.
CZECH: Cibule, Cibule kuchyňská.
DUTCH: Ajuin, Ui.
FINNISH: Sipuli, Punasipuli , Ruokasipuli.
FRENCH: Oignon.
GREEK: Kremmydi.
HEBREW: Bazal, Besalim.
HINDI: Pyaaz, Pyāja sanyantra.
HUNGARIAN: Hagyma, Vöröshagyma.
ITALIAN: Cipolla
COUNTRY: Tama negi.
KHMER: Khtüm barang.
KOREAN: Yang pa.
LAOTIAN: Bwàx fàlangx, Phak bouo.
MALAY: Bawang besar (Brunei), Bawang Bombay (Indonesia).
ORIYA: Piaja.
PERSIAN: Piyaaz.
POLISH: Cebula, Cebula jadalna, Cebula zwyczajna, Czosnek cebula.
RUSSIAN: Luk repchatyi.
SANSKRIT: Palandu.
SERBIAN: Arpadžik, Crni luk , Crni lukac , Crvenac , Crveni luk, Kapula , Kromid , Kromit, Kromiti luk.
SLOVAK: Cibuľa, Cibuľa kuchynská.
SLOVENIAN: Čebul, Čebula.
SPANISH: Cebolla, Cebolla macho.
SWAHILI: Kitunguu.
SWEDISH: Lök, Vanlig lök, Vitlök.
THAI: Dton bpa ser gor, Dton hom hua yai, Hom yai, Hom huayai, Hua hom.
URDU: Pyaaz.
VIETNAMESE: Củ hành tây, Hành tây.

Sibuyas is a low herb, with leaves shorter than the scape, cylindric, hollow, 8 millimeters in diameter, narrowing upward to a slender apex, shorter than the inflorescence. Scape is inflated, about 30 centimeters high, 1 centimeter thick in the middle, narrowed at both ends. Flowers are stellate, numerous in a dense and rounded umbel, with pedicels 5 to 7 millimeters long. Perianth segments are oblong, acuminate, 5 to 6 millimeters long. Filaments are longer than the petals.

- Cultivated as market produce.
- Originated in western Asia, from where it spread to Greece, Italy, and Egypt.

- Onion bulb yields 0.005 per cent of its weight of a dark-brown essential oil. The main portion of the oil consists of a compound, C6H12S2.
- Outer skin of the onion bulb yields a yellow coloring matter (quercetin), C15H10O7, allyl propyldisulphide, inulin, carbohydrate (6%), protein (2.4%), fat (0.1%), ash (0.3%), and vitamin C.
- Bulb constituents are reported as: essential oil (0.015%), quercetin, quercetrin, allyl disulphide, allyl
- Study isolated seven compounds from the ethanolic extract of seeds of A. cepa: tianshic acid, N-trans-feruloyl tyramine, beta-sitosterol-3 beta-glucopyranoside-6'-palmitate, sitosterol, daucosterol, tryptophane, and adenine riboside.
- Proximate composition for white and red Allim cepa yielded 89.62 and 88.48 moisture, 3.33 and 3.17% ash, 2.17 and 6.5% crude lipid, 3.22 and 3.02% crude protein, 3.83 and 2.83% crude fiber, 87.44 and 84.48% available carbohydrate, 382 and 408.5 kcal/100g energy value, and 64.0 and 61.20% flavonoids, respectively. (see study below) (29)

- Carminative, demulcent, diuretic, emmenagogue, expectorant, rubefacient, stimulant.
- Juice is disinfectant, rejuvinative, antispasmodic.

- Oil is considered stimulant, diuretic, and expectorant; bulb is emmenagogue, externally stimulant and rubefacient.

Parts used

Edibility / Nutrition
- Onions are used as both food and condiment.
- Peeled and eaten raw, powdered, juiced, infused or decocted as tea.
- In the Philippines, medicinal use of onion is limited.
- Bulb, cooked and mixed with coconut oil, used as ointment and applied to the abdomen to promote diuresis.
- Bulb is emmenagogue, stimulant, diuretic, expectorant; externally, is rubefacient.
- Mixed with common salt, is used for fever, catarrh, chronic bronchitis.
- Juice of onion, mixed with honey, ginger juice, and ghee, used as aphrodisiac.
- Bulb applied as cooling poultice for boils, bruises, and wounds; applied to the navel in dysentery and body heat.
- Juice is used like smelling salts for faintness, in infantile convulsions, headache, epileptic and hysterical fits.
- Juice dropped warm into ears to relieve earaches; applied hot to the soles of feet for convulsive disorders.
- Juice inhaled in epistaxis; applied to the eyes in dimness of vision.
- Mixed with mustard oil in equal proportions and applied to rheumatic pains and other inflammatory swellings.
- Onions are eaten to mitigate cough in phthsis.
- Mixed with vinegar for use in sore throat; cooked in vinegar for jaundice, splenic enlargement, and dyspepsia.
- In malarial fevers, eaten twice daily with two or three black peppers.
- Eaten with jaggery to stimulate growth in children.
- Decoction of onions used for strangury.
- Roasted onion mixed with sugar candy and cow's ghee used as soothing demulcent and stimulant.
- Juice or slices of raw onion is applied to insect bites and stings or burns.
- Juice of the bulb mixed with mustard oil or coconut oil is used for rheumatic and inflammatory swellings.
- Onion and garlic juice used for nervousness, insomnia, and rheumatism: 3 tbsp daily.
- Juices of onion, garlic carrot, radish, garlic and lemon: Used for bronchitis, asthma.
- In Mexico, bulb is used as diuretic and vermifuge.
- Bub taken internally to stimulate peristalsis. Also used for jaundice, hemorrhoids, and anal prolapse.
- In India, the onion is more popular as a medicine, used for fever, dropsy, catarrh, and chronic bronchitis. Mixed with common salt, used as a remedy for colic and scurvy; eaten raw as diuretic and emmenagogue.

Antifertility / Bulb: The bulb of AC has yielded kaempferol, B-sitosterol, ferulic acid, myristic acid and prostaglandins. Study showed the ethanolic extract of Allium cepa to possess antifertility activity through an anti-implantation mechanism rather than antiovulatory effect. (1)
Hypouricemic / Antioxidant: Study showed beneficial effects of Allium cepa and its major flavonoid on hyperuricemia and oxidative stress. (2)
Neuroprotective: Study showed protective effect of the methanolic extract of AC bulb on ischemic and reperfusion-induced cerebral injury with reduced infarct size and attenuated impairment of short-term memory and motor coordination. (3)
Vasorelaxant / Hypotensive / Peel: Study showed the onion peel extract showed hypotensive and vasorelaxant effects which could be due to the extract quercetin content, antioxidant activity and inhibition of vascular smooth muscle cell Ca++ influx.   (4
Antispasmodic / Onion Peel: Study showed onion peel extract inhibits ileum contractions without involving ß-adrenoreceptor, opioid receptor, nitric oxide production and potassium channels activation. Results suggests that the quercetin in the onion peel extract induces spasmolytic effect via calcium channels. (5)
Antiplatelet activity: In its raw form, onion is recognized to have antiplatelet activity from its pyruvate content. Study showed the effects of heating. Heating for 46 minutes completely suppresses in vitro antiaggregatory activity, For benefits, it is better for onions to be eaten raw or only moderately cooked. Extensive heating could result in pro-aggregatory effects. (6)
Hemolytic Anemia: Study confirmed onion poisoning in dogs causes hemolytic anemia. (7)
Antioxidant: Study showed A cepa had high superoxide-dismutase (SOD) activities in leaves and high peroxidase (P-ase) activity in all investigated organs. (8)
Androgenic Activity: Study showed freshly prepared onion juice significantly affected the sperm number, percentage of viability and motility. (9)
Hypoglycemic Activity: Study showed crude Allium cepa produced hypoglycemic effects, and can be used as a dietary supplement in the management of type 1 or type 2 diabetes mellitus. (10)
Hair Growth / Alopecia Areata: Study was done testing the effectiveness of topical crude onion juice in the treatment of patchy alopecia areata in comparison to tap water. Results showed the use of crude onion juice gave significantly higher results re hair re-growth than tap water. Results suggest it might be an effective topical therapy for patchy alopecia areata. (12)
Nephroprotective / Cadmium-Induced Renal Dysfunction: Study showed exposure to heavy metal Cd causes renal dysfunction and oral administration of onion could prevent cadmium's adverse effects on renal functions.
Antimicrobial / Crude Juices: Study evaluated the antimicrobial activity of crude juices of Allium ascalonicum, Allium cepa, and Allium sativum. Results showed strong antibiotic properties, and the complete absence of development of resistance from juices of Allium species merit consideration. (13)
Natural Corrosion Inhibitor: One major problem with industrial chill wastewater system is corrosion. Study evaluated the potential of using Allium cepa (onion) as a natural corrosion inhibitor. There was a reduction in weight loss for iron, nickel and copper, 92%, 88%, and 46%, respectively. Results demonstrate A. cepa as an effective corrosion inhibitor, primarily for iron. (15)
Anti-Cancer / Anti-MDR (Multidrug Resistance) Action: Study evaluated crude onion extracts and onion compounds (quercetin and propyl disulfide) in MDR human erythroleukemic and K562 parental cell line. There was a significant increase of apoptosis in the K562 cells while the cells experienced an increase in necrosis. The OE capacity to overcome MDR phenotype suggests anti-MDR action. (16)
Antiproliferative / Effect on Adipocytes Via Fatty Acid Synthase Inhibition: Study showed an ethyl acetate extract of onion had potent inhibitory effects on animal fatty acid synthase and could induce apoptosis in FAS over-expressing human breast cancer MDA-MB-231 cells. Since obesity is closely related to breast cancer, results suggest onion might be useful in preventing obesity-related malignancy. (17)
Renal Protective on Cd-induced Renal Dysfunction: Study on Wistar rats showed cadmium-induced renal dysfunction. Allium cepa prevented renal dysfunction, possibly as a results of its antioxidant properties with reduction of activity of ROS. (18)
Anti-Ulcer: Study showed the protective role of raw Nigelia sativa, garlic, and onion against ethanol-induced gastric ulcers and gastric acid secretion. Raw or boiled Nigella sativa, garlic or onion significantly inhibited histamine stimulated acid secretion. Raw Nigella sativa and garlic showed a decrease in ulcer index. Boiling reduced the potency of garlic and onion. (20)
Effect on Serum Testosterone / Seeds: Study of seed extract showed increased serum testosterone levels in rats. (22)
Antibacterial Against Staphylococcus aureus / Bulbs: Various concentrations of methanol and aqueous suspensions of dried Allium cepa bulbs was screened against gram-positive Staphylococcus aureus. All suspensions showed inhibitory activity; the highest zone of inhibition was noted with the highest concentration of methanolic suspension. (23)
Hypolipidemic / Benefits of Combination with Zinc Sulfate: Study evaluated the hypolipidemic effect of onion extract in rats. Results showed hypolipidemic effects. The combined use of onion and zinc sulfate showed better effect than when used alone. (24)
Immunomodulatory / Anti-Asthmatic / Allium cepa and Quercetin: Study evaluated the effect of Allium cepa extract (AcE) and quercetin (Qt) on cytokine and on smooth muscle contraction in vitro and its therapeutic potential in a murine model of asthma. Results showed AcE and Qt have potential as antiasthmatic drugs, as they possess both immunomodulatory and bronchodilatory properties. (25)
Antidiabetic/ Antilipidemic: Study of Allium cepa in streptozotocin induced diabetic male Wistar rats demonstrated significant antidiabetic and antilipidemic activities. However, the mechanism of actions needs to be established. (26) Study of aqueous extracts of A. cepa showed significant dose dependent hypoglycemic and hypolipidemic effects in alloxan induced diabetic rats. The effects were considered protective mechanisms against development of atherosclerosis common in diabetes mellitus. (31)
• Immunological Effects: Study evaluated and compared the single and combined effects of fresh aqueous onion (A. cepa) and garlic (A. sativum) extracts on some immunological determinants in rats. CD4 and total WBC counts were significantly increase (p≤0.05) in a dose-dependent manner in both onion and garlic. Results revealed immune boosting capabilities of both A. cepa and A. sativum. However, no synergistic effect was noted. (27)
Anti-Allergy / Anti-Inflammatory / Antioxidant / Bulb: Study showed a herbal fraction (ALC-O2) from A cepa bulb inhibited histamine release and attenuated intracellular calcium levels Compound 48/80-induced rat peritoneal mast cells. ALC-02 also suppressed carrageenan induced rat paw edema and inhibited eosinophil peroxidase activity and protein content in bronchoalveolar lavage fluid of ovalbumin-challenged mice. It also showed significant quenching of DPPH radical. The results show a promising anti-allergic profile that could be attributed to potential antihistaminic, anti-inflammatory and antioxidant activities. (28)
• Comparative Studies of Red and While Allium cepa: Study evaluated white and red Allium cepa for proximate compositions and flavonoids % in dried bulbs. Results show white Allium cepa possessed more nutritional and medicinal properties than red but provides less energy and lower resistance to storage. (see constituents above) (29)
• Effect on Spermatogenesis / Seed: Study evaluated the effect of A. cepa on body weight, testicular weight, and spermatogenesis in mice. Results showed body and testis weight and spermatogenesis increased in rats. Study suggests antioxidant characteristics and potential benefits in infertile patients. (30)
• Increase Osmotic Fragility: Study evaluated the in vivo and in vitro effects of onion and garlic on osmotic fragility of red blood cells in albino rats. Results showed increase in osmotic fragility, significantly higher (p<0.05) in vitro than in vivo. Study showed Allium exposure in vitro and in vivo can increase erythrocyte membrane fragility due to oxidative damage to the erythrocyte membrane. It may be due to administration in raw form in albino rats. Results suggest ingesting raw allium should be monitored in people with blood diseases. (32)
• Onion Waste By-Product as Functional Food Ingredient: Study evaluated the alternatives for onion by-products (juice, paste, and bagasse) and the effect of processing and stabilization treatment on the bioactive composition, antioxidant activity and polyphenol oxidase (PPO) enzyme inhibition capacity. Results suggest the potential of an onion paste (mixture content) obtained from onion waste that with mild pasteurization can yield a by-product with good antioxidant properties with potential for use as a functional food ingredient. (33)
• Essential Oil / Antioxidative / Antidiabetic: Study evaluated the antioxidative effect of Allium cepa essential oil in STZ-induced diabetic albino rats. Results showed a significant decrease in serum lipids, lipid peroxide formation, blood glucose, and increase in serum insulin level. Histological abnormalities converted to normal in the treatment group. The antidiabetic activity may be due to the antioxidant properties of the essential oil components. (34)
• Immunomodulatory / Protective Against Atypical Prostatic Hyperplasia / Scales: Red onion scales contain large amounts of flavonoids reported to have antioxidant, immune enhancing, and anticancer properties. Study evaluated the effect of red onion scales on atypical prostatic hyperplasia induced in adult castrated Wistar rats. Both saw palmetto and RO scale treatment ameliorated histopathologic changes of hyperplasia and inflammation and reduced apoptosis. Results suggest the protective effect of ROS scales against APH induced rats may be attributed to potential anti-inflammatory and immunomodulatory effects. (35)
• Effect on Semen Oxidative Status / Compared to Zn / Red Onion Juice: Study investigated the effects of onion juice on semen values of MDA, SOD, GPx, and total antioxidant status (TAS) compared to Zn sulfate in rats. Onion juice significantly decreased semen MDA level (p<0.05). Co-administration of onion and Zn significantly altered (p<0.05) GPx level. Results suggest onion juice protects sperm against oxidation in rat testes. (37)

Cultivated market produce. 

© Godofredo U. Stuart Jr., M.D. / StuartXchange

Updated July 2018 / June 2016

Photos © Godofredo Stuart / StuartXchange

Additional Sources and Suggested Readings
Antifertility Activity of Ethanolic Extract of Allium cepa Linn in Rats / Vishnu N Thakare et al / International Journal of PharmTech Research / ISSN : 0974-4304 • Vol.1,No.1,pp 73-78, Jan – March 2009
Hypouricemic and antioxidant activities of Allium cepa Lilliaceae and quercetin in normal and hyperuricemic rats. / Saudi Med J. 2008 Nov;29(11):1573-9.
Neuroprotective effect of methanolic extracts of Allium cepa on ischemia and reperfusion-induced cerebral injury / doi:10.1016/j.fitote.2007.06.013 / Fitoterapia Vol 79, Issue 2, February 2008, Pages 86-96
Vasorelaxant and Hypotensive Effects of AC Peel Hydroalcoholic Extract in Rat / ISSN 1028-8880 / Pakistan Journal of Biol Sciences 11 (12):1569-1575, 2008
Antispasmodic Activity of Onion (Allium cepa L.) Peel Extract on Rat Ileum / Mohammad Kazem Gharib Naseri et al / Iranian Journal of Pharmaceutical Research (2008), 7 (2): 155-159
Effect of Heating on Onion (Allium cepa L.) Antiplatelet Activity and Pungency Sensory Perception / M M Sance et al / Food Science and Technology International, Vol. 13, No. 6, 447-453 (2007) / DOI: 10.1177/1082013207088108
An experimental study of hemolysis induced by onion (Allium cepa) poisoning in dogs / Tang X et al / J Vet Pharmacol Ther. 2008 Apr;31(2):143-9
Study on antioxidant enzymes in Allium cepa L. and Allium fistulosum L / D Stajner et al / Phytotherapy Research • Volume 12 Issue S1, Pages S15 - S17
Evaluation of androgenic activity of allium cepa on spermatogenesis in the rat / A Khaki et al / Folia Morphol. • Vol. 68, No. 1, pp. 45–51 /

Preliminary Study of the Clinical Hypoglycemic Effects of Allium cepa (Red Onion) in Type 1 and Type 2 Diabetic Patients / Imad M Taj Eldin, Elhadi M Ahmed and Abd Elwahab H M / doi: 10.4137/EHI.S5540.
Studies on chemical constituents of the seeds of Allium cepa / Yuan L, Ji TF, Wang AG, Yang JB, Su YL. / Zhong Yao Cai. 2008 Feb;31(2):222-3.
Onion juice (Allium cepa L.), a new topical treatment for alopecia areata. / Sharquie KE, Al-Obaidi HK / J Dermatol. 2002 Jun;29(6):343-6.
Antimicrobial activity of crude juices of Allium ascalonicum, Allium cepa and Allium sativum./ Dankert J, Tromp TF, de Vries H, Klasen HJ. / Zentralbl Bakteriol Orig A. 1979 Oct;245(1-2):229-39.
Sorting Allium names
/ Maintained by: Michel H. Porcher / MULTILINGUAL MULTISCRIPT PLANT NAME DATABASE / A Work in Progress / Copyright © 1997 - 2000 The University of Melbourne.

A Study of Using Allium Cepa (Onion) as Natural Corrosion Inhibitor in Industrial Chill Wastewater System / Sulaiman S., Nor-Anuar A., Abd-Razak A.S. and Chelliapan S. / Research Journal of Chemical Sciences, Vol. 2(5), 10-16, May (2012)
Toxicity mechanisms of onion (Allium cepa) extracts and compounds in multidrug resistant erythroleukemic cell line / Ana P. S. Votto, Beatriz S. Domingues, Michele M. de Souza, Flavio M. R. da Silva Júnior, Sergiane S. Caldas, Daza M. V. B. Filgueira, Rosilene M. Clementin, Ednei G. Primel4, Adriana L. Vallochi, Eliana B. Furlong and Gilma S. Trindade* / doi: 10.4067/S0716-97602010000400007 / Biol Res 43: 429-437, 2010
Inhibitory Effects of Onion (Allium cepa L.) Extract on Proliferation of Cancer Cells and Adipocytes via Inhibiting Fatty Acid Synthase / Yi Wang, Wei-Xi Tian, Xiao-Feng Ma* / Asian Pacific Journal of Cancer Prevention, Vol 13, 2012 / DOI:http://dx.doi.org/10.7314/APJCP.2012.13.11.5573
Onion (Allium cepa) extract prevents cadmium induced renal dysfunction / S. F. Ige, E. O. Salawu, S. B. Olaleye, O. A. Adeeyo, J. Badmus, and A. A. Adeleke / Indian J Nephrol. 2009 October; 19(4): 140–144.
doi: 10.4103/0971-4065.59334
Sorting Allium names / Maintained by: Michel H. Porcher / MULTILINGUAL MULTISCRIPT PLANT NAME DATABASE / A Work in Progress / Copyright © 1997 - 2000 The University of Melbourne.
Comparative effect of garlic (Allium sativum), onion (Allium cepa), and black seed (Nigella sativa) on gastric acid secretion and gastric ulcer / Amir N, Al Dhaheri A, Al Jaberi N, Al Marzouqi F, Bastaki SMA/
DOI: http://dx.doi.org/10.2147/RRMC.S23032
Allium cepa / Synonyms / The Plant List
Effect of Allium cepa Seed Extract on Serum Testosterone in Rats / Vahid Vahdani, Arash Khaki* / Crescent Journal of Medical and Biological Sciences, Vol. 1, No. 3, Summer 2014, 110-112 eISSN: 2148-9696
Assessment of Antimicrobial Activity of Onion Extract (Allium cepa) on Staphylococcus aureus; in vitro study / Mohamed Eltaweel / International Conference on Chemical, Agricultural and Medical Sciences (CAMS-2013) Dec. 29-30, 2013 Kuala Lumpur (Malaysia)
Hypolipidemic effects of aqueous extract of onion (Allium cepa. Linn) on serum levels of cholesterol, triglycerides, LDL and HDL compared with Zn sulfate supplementation in the rats / Jamshid Ghiasi Ghalehkandi *, Ahmad Asghari, Ramin Salamat Doust Nobar, Abdolreza Yeghaneh / European Journal of Experimental Biology, 2012, 2 (5):1745-1749
Potential therapeutic effect of Allium cepa L. and quercetin in a murine model of Blomia tropicalis induced asthma / Tatiane Teixeira Oliveira et al / DARU Journal of Pharmaceutical Sciences201523:18 / DOI: 10.1186/s40199-015-0098-5
Antidiabetic and Antilipidemic Properties of Allium Cepa in Streptozotocin-Induced Diabetes
/ Anthony Emeka Ojieh, Eseroghene Cecilia Adegor, Anthony Chukunweike Okolo, Lawrence Oberhiri Ewhre and Innocent Onyesom / Endocrine Society's 97th Annual Meeting and Expo, March 5–8, 2015 - San Diego
Effect of Allium Cepa and Allium Sativum on Some Immunological Cells in Rats / Tatfeng Y Mirabeau and Enitan S Samson / Afr J Tradit Complement Altern Med. 2012; 9(3): pp 374-379 /PMID: 23983369
Anti-allergic effects of herbal product from Allium cepa (bulb). / Kaiser P, Youssouf MS, Tasduq SA, Singh S, Sharma SC, Sing CD, Gupta VK, Gupta BD, Johri RK / J Med Food. 2009; Apr;12(2): pp 374-82. / doi: 10.1089/jmf.2007.0642.
Comparative Studies of White and Red Allium cepa Cultivated in Sokoto, Nigeria / Lawal, A. and Matazu, S.S. / ChemSearch Journal, December, 2015; 6(2): pp 14 – 20 / http://dx.doi.org/10.4314/csj.v6i2.3
Effect of Allium sepa seed extract on body and testicular weight, mature gametes and parietal cells of male rats / Hosseini Ahar, N. and Safi, SH / Biosci. Biotech. Res. Comm. (2016) ; 9(4): pp 828-832
Anti-diabetic effects of Allium cepa (onions) aqueous extracts on alloxan-induced diabetic Rattus novergicus / Ozougwu, Jevas C. / Journal of Medicinal Plants Research, 4 April 2011; Vol. 5(7): pp 1134-1139
The effect of aqueous preparation of Allium Cepa (onion) and Allium Sativa (garlic) on erythrocyte osmotic fragility in wistar rats: in vivo and in vitro studies / Salami H.A, John A.I, Ekanem A. U / Niger. J. Physiol. Sci. June 2012; 27: 029 – 034
Characterisation of onion (Allium cepa L.) by-products as food ingredients with antioxidant and antibrowning properties / Eduvigis Roldán, Concepción Sa ́nchez-Moreno*, Begoña de Ancos, M. Pilar Cano / Food Chemistry 108 (2008) 907–916
Antioxidative Effects of Allium Cepa Essential Oil in Streptozotocin Induced Diabetic Rats / Neveen Abou El-Soud, Mona Khalil / Macedonian Journal of Medical Sciences. 2010 Dec 15; 3(4): pp 344-351 / doi:10.3889/MJMS.1857-5773.2010.0118
Immunomodulatory Effect of Red Onion (Allium cepaLinn) Scale Extract on Experimentally Induced Atypical Prostatic Hyperplasia in Wistar Rats / Ahmed A Elberry, Shaqufta Mufti, Jaudah Al-Maghrabi, Essam Abdel Sattar, Salah A Ghareib, Hisham A Mosli, and Salah A Gabr / Mediators of Inflammation
Volume 2014, Article ID 640746 / http://dx.doi.org/10.1155/2014/640746
Antimicrobial activity and thiosulfinates profile of a formulation based on Allium cepa L. extract / O Orasan, R Oprean, A saplontai-Pop, M Filip, R Carpa, C Sarogi, M Moldovan, S C Man / Open Chemistry, Vol 15, Issue 1 / DOI: https://doi.org/10.1515/chem-2017-0021
Assessment of the effects of red onion (Allium cepa Linn) juice on semen oxidative status compared to Zn sulfate in rats / J. Ghiasi Ghalehkandi, S. Hassanpour, E. Issabeagloo, A. Asghari / Anim. Reprod., Belo Horizonte, Apr./Jun. 2015; Vol 12, No 2: pp 298-304

It is not uncommon for links on studies/sources to change. Copying and pasting the information on the search window or using the DOI (if available) will often redirect to the new link page.

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