Article Publish Status: FREE
Abstract Title:

Anti-Parasitic Activities ofandagainstand.

Abstract Source:

Medicines (Basel). 2018 Apr 21 ;5(2). Epub 2018 Apr 21. PMID: 29690511

Abstract Author(s):

Sonja Krstin, Mansour Sobeh, Markus Santhosh Braun, Michael Wink

Article Affiliation:

Sonja Krstin


Garlics and onions have been used for the treatment of diseases caused by parasites and microbes since ancient times. Trypanosomiasis and leishmaniasis are a concern in many areas of the world, especially in poor countries.andwere used to investigate the anti-parasitic effects of dichloromethane extracts of(garlic) and(onion) bulbs. As a confirmation of known antimicrobial activities, they were studied against a selection of G-negative, G-positive bacteria and two fungi. Chemical analyses were performed using high-performance liquid chromatography (HPLC) and electrospray ionization-mass spectrometry (LC-ESI-MS/MS).Chemical analyses confirmed the abundance of several sulfur secondary metabolites in garlic and one (zwiebelane) in the onion extract. Both extracts killed both types of parasites efficiently and inhibited thetrypanothione reductase irreversibly. In addition, garlic extract decreased the mitochondrial membrane potential in trypanosomes. Garlic killed the fungiandmore effectively than the positive control. The combinations of garlic and onion with common trypanocidal and leishmanicidal drugs resulted in a synergistic or additive effect in 50% of cases.The mechanism for biological activity of garlic and onion appears to be related to the amount and the profile of sulfur-containing compounds. It is most likely that vital substances inside the parasitic cell, like trypanothione reductase, are inhibited through disulfide bond formation between SH groups of vital redox compounds and sulfur-containing secondary metabolites.

Study Type : In Vitro Study

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