Cited by 137Essential Oils and Antimicrobial ActivityPhytochemistry Medicinal Plant ApplicationsPhytochemistry and Biological Activities

Antibacterial and antifungal activities of phenolic compound-enriched ethyl acetate fraction from Cochlospermum regium (mart. Et. Schr.) Pilger roots: Mechanisms of action and synergism with tannin and gallic acid

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Carvalho, R.S., Carollo, C.A., de Magalhães, J.C., Palumbo, J.M.C., Boaretto, A.G., Nunes e Sá, I.C., Ferraz, A.C., Lima, W.G. +2 more·2018·South African Journal of Botany

Abstract

Cochlospermum regium is a shrub used in folk medicine to treat infection diseases. However, limited information are available regarding the antimicrobial mechanism of action, synergic effect of major phytochemical components this specie, and it antimicrobial spectrum of activity. Here, we aimed to investigate the antimicrobial activity of its ethyl acetate fraction (EtOAc) from roots together with some constituents previously isolated and commercially available, to understand the possible pharmacological interactions between these components. The EtOAc fraction of C. regium, tannin and gallic acid commercially available, alone or in combination, were assessed for antimicrobial activity against eight bacteria and five yeasts. EtOAc fraction showed a broad spectrum of antimicrobial activity and gallic acid had better antifungal activity, while tannin was active against all microorganisms tested. Antibacterial effect was induced to catalase activity inhibition. For yeast, results indicated that the EtOAc fraction and compounds gallic acid and tannic acid bind to the ergosterol of the fungal membrane. Checkerboard assay showed that the combination of EtOAc fraction with tannin result in synergic effect against six microorganisms. Thus, highlight the pharmacological use of C. regium as a tannin-enriched extract for the treatment of infectious diseases. Together, data reveals the antimicrobial potential of C. regium, proving it used in the folk medicine of Brazilian southwestern.

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  • Gallic acid from banana peel has potential antifungal activity against four studied yeast of Candida spp.

    “some reports observed that gallic acid from banana peel had potential antifungal activity against four studied yeast of Candida spp. [69–71]”

    From Banana Peels: A Waste Treasure for Human Being (2022) · cites this paper as [69]

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  1. Campoy, S., Adrio, J.L., 2017. Antifungals. Biochem. Pharmacol. 133, 86-96. Clinical and Laboratory Standards Institute (CLSI), 2008. Reference Method for Broth Dilution Antifungal Susceptibility Testing of Yeasts. Approved standard-third edition.
  2. Godstime, O., Felix, E., Augustina, J., Christopher, E., 2014. Mechanisms of antimicrobial actions of phytochemicals against enteric pathogens -a review. J. Pharm. Chem. Biol. Sci. 2, 77-85.

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Authors
Carvalho, R. S., Carollo, C. A., de Magalhães, J. C., Palumbo, J. M. C., Boaretto, A. G., Nunes e Sá, I. C., Ferraz, A. C., Lima, W. G., de Siqueira, J. M., & Ferreira, J. M. S.
Affiliations
  • Federal University of São João del-Rei (BR)
  • Universidade Federal de Mato Grosso do Sul (BR)
Corresponding author
Ferreira, J.M.S.
Venue
South African Journal of Botany
Publisher
Elsevier BV
Published
2018-01
Volume
114
Pages
181-187
ISSN
0254-6299 (ISSN-L)
OpenAlex
W2769888338
Cited by
137
References
58
Citations by year
2026: 9 · 2025: 14 · 2024: 15 · 2023: 23 · 2022: 24 · 2021: 20 · 2020: 18 · 2019: 10 · 2018: 4
FWCI
9.84
Type
journal article
Language
en
Open access
Locations
South African Journal of Botany (publishedVersion, cc-by)
Funders
  • CAPES-PNPD (2833/2011)
  • CNPq
  • FAPEMIG
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Essential Oils and Antimicrobial Activity
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Phytochemistry Medicinal Plant Applications
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Phytochemistry and Biological Activities
Keywords
Cochlospermum regium, ethyl acetate fraction, phenolic compounds, antibacterial activity, antifungal activity, tannins, gallic acid, synergistic effect, catalase inhibition, ergosterol binding, fungal membranes, checkerboard assay, medicinal plants, roots, folk medicine

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