Article Publish Status: FREE
Abstract Title:

Effects ofand Its Constituents on Respiratory and Allergic Disorders: A Comprehensive Review of Experimental and Clinical Evidence.

Abstract Source:

Evid Based Complement Alternat Med. 2021 ;2021:5554259. Epub 2021 Sep 11. PMID: 34552650

Abstract Author(s):

Sima Beigoli, Sepideh Behrouz, Arghavan Memar Zia, Seyyedeh Zahra Ghasemi, Marzie Boskabady, Narges Marefati, Farzaneh Kianian, Mohammad Reza Khazdair, Hesham El-Seedi, Mohammad Hosein Boskabady

Article Affiliation:

Sima Beigoli


The health benefits of() have been proclaimed for centuries. Various pharmacological and therapeutic effects on respiratory, allergic, and immunologic disorders are shown byand its constituents. Flavonoids such as quercetin and kaempferol, alk(en)yl cysteine sulfoxides including S-methyl cysteine sulfoxide and S-propyl cysteine sulfoxide, cycloalliin, thiosulfinates, and sulfides are the main compounds of the plant.displays broad-spectrum pharmacological activities including antioxidant, anti-inflammatory, antihypertensive, and antidiabetic effects. Our objective in this review is to present the effects ofand its constituents on respiratory, allergic, and immunologic disorders. Different online databases were searched to find articles related to the effect ofextracts and its constituents on respiratory, allergic, and immunologic disorders until the end of December 2020 using keywords such as onion,, constituents of, therapeutic effects and pharmacological effects, and respiratory, allergic, and immunologic disorders. Extracts and constituents ofshowed tracheal smooth muscle relaxant effects, indicating possible bronchodilator activities or relieving effects on obstructive respiratory diseases. In experimental animal models of different respiratory diseases, the preventive effect of various extracts and constituents ofwas induced by their antioxidant, immunomodulatory, and anti-inflammatory effects. The preventive effects of the plant and its components on lung disorders induced by exposure to noxious agents as well as lung cancer, lung infection, and allergic and immunologic disorders were also indicated in the experimental and clinical studies. Therefore, this review may be considered a scientific basis for development of therapies using this plant, to improve respiratory, allergic, and immunologic disorders.

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