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Santos, Antonia Thassya Lucas Dos; Carneiro, Joara Nályda Pereira; da Cruz, Rafael Pereira; Sales, Débora Lima; Andrade-Pinheiro, Jacqueline Cosmo; de Freitas, Maria Audilene; Kerntopf, Marta Regina; Delmondes, Gyllyandeson de Araújo; Ribeiro, Paulo Riceli Vasconcelos; de Brito, Edy Sousa; Batista, Francisco Lucas Alves; Magalhães, Francisco Ernani Alves; Pita Neto, Ivo C; Morais-Braga, Maria Flaviana Bezerra; Kowalski, Radosław; Kowalska, Grazyna; Szopa, Aleksandra; Baj, Tomasz; Coutinho, Henrique Douglas Melo
Molecules (Basel, Switzerland), 12/2022, Letnik: 28, Številka: 1Journal Article
This study aimed to identify the chemical composition of the aqueous leaf and root extracts (EALST and EARST) and to evaluate their effect, comparatively, against opportunistic pathogenic fungi. Ultra-Performance Liquid Chromatography Coupled to a Quadrupole/Time of Flight System (UPLC-MS-ESI-QTOF) was employed for chemical analysis. and standard strains and clinical isolates were used (CA INCQS 40006, CT INCQS 40042, CA URM 5974, and CT URM 4262). The 50% Inhibitory Concentration for the fungal population (IC ) was determined for both the intrinsic action of the extracts and the extract/fluconazole (FCZ) associations. The determination of the Minimum Fungicidal Concentration (MFC) and the verification of effects over fungal morphological transitions were performed by subculture in Petri dishes and humid chambers, respectively, both based on micro-dilution. UPLC-MS-ESI-QTOF analysis revealed the presence of phenolic and flavonoid compounds. The association of the extracts with fluconazole, resulted in IC values from 2.62 µg/mL to 308.96 µg/mL. The MFC of the extracts was ≥16,384 µg/mL for all tested strains, while fluconazole obtained an MFC of 8192 µg/mL against strains. A reduction in MFC against CA URM 5974 (EALST: 2048 µg/mL and EARST: 1024 µg/mL) occurred in the extract/fluconazole association.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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