Influence of different wild-garlic (Allium ursinum) extracts on the gastrointestinal system: spasmolytic, antimicrobial and antioxidant properties. (23rd May 2017)

• Record Type: Journal Article
• Authors: Pavlović, Dragana R; Veljković, Milica; Stojanović, Nikola M; Gočmanac-Ignjatović, Marija; Mihailov-Krstev, Tatjana; Branković, Suzana; Sokolović, Dušan; Marčetić, Mirjana; Radulović, Niko; Radenković, Mirjana
• Is Part Of: Journal of pharmacy and pharmacology. Volume 69:Number 9(2017:Sep.)
• Page Start: 1208
• Page End: 1218
• Publication Date: 2017-05-23
• Subjects: Allium ursinum -- enteropathogenic strains -- qNMR of alk(en)yl cysteine sulphoxides -- rat ileum -- spasmolytic activity; Pharmacy -- Periodicals; Pharmacology -- Periodicals; 615.1
• DOI: 10.1111/jphp.12746
• Languages: English
• ISSNs: 0022-3573

Abstract

Abstract: Objectives: As there are no previous studies of the European wild-garlic ( Allium ursinum ) effects on the gastrointestinal system, despite its traditional applications in gastrointestinal disorders' treatment and regular use in the human diet, we have quantified and compared spasmolytic, antimicrobial and antioxidant activities of its different leaf extracts. Methods: Wild-garlic extracts were tested for spasmolytic activity on isolated rat ileum, antimicrobial activity on selected Gram-positive and Gram-negative bacteria and fungi by microdilution method and antioxidant capacity by DPPH radical-scavenging assay. Key findings: Wild-garlic extracts were found to decrease ileal basal tone. As the relaxation of K + -induced contractions was similar to one caused by papaverin, the observed spasmolytic effect was most likely mediated through Ca 2+ -channel inhibition. Ethanolic extract (with the highest phenolic and high alk(en)yl cysteine sulphoxides' levels) produced the strongest spasmolytic activity. In case of acetylcholine-induced contractions, only hydromethanolic extract showed no statistical difference in comparison with positive control. All samples exhibited certain antioxidant potential and strong antimicrobial activity against tested enteropathogenic strains ( Salmonella enteritidis was the most sensitive, followed by Escherichia coli, Proteus mirabilis and Enterococcus faecalis ). Conclusion: Besides other already established health-promoting effects, wild garlic could be useful in treatment of mild gastrointestinal disturbances.