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Camara FMS, da Conceição BC, Cardoso EKS, Santiago JCC, Albuquerque CAB, Pereira WL, Monteiro MC, Yoshioka E Silva CY, da Silva MN, Maia CF, Fontes-Junior EA. Margaritaria nobilis L.f. (Phyllanthaceae) Ethanolic Extract: Low Acute Oral Toxicity and Antinociceptive Activity. Pharmaceuticals (Basel) 2023; 16:ph16050689. [PMID: 37242472 DOI: 10.3390/ph16050689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/14/2023] [Accepted: 04/20/2023] [Indexed: 05/28/2023] Open
Abstract
Margaritaria nobilis L.f. (Phyllanthaceae), a native Brazilian tree occurring mainly in the Amazon, is used in folk medicine for the treatment of abscesses (bark) and cancer-like symptoms (leaves). The present study evaluates the safety of its acute oral administration and its effects on nociception and plasma leakage. The chemical constitution of the leaf's ethanolic extract is determined by ultra-performance liquid chromatography-high-resolution mass spectrometry (LC-MS. Its acute oral toxicity is evaluated in female rats at a dose of 2000 mg/kg, evaluating the occurrence of deaths and Hippocratic, behavioral, hematological, biochemical, and histopathological changes, as well as food and water consumption and weight gain. Antinociceptive activity is evaluated in male mice with acetic-acid-induced peritonitis (APT) and formalin (FT) tests. An open field (OF) test is performed to verify possible interferences in the animals' consciousness or locomotion. LC-MS analysis shows the presence of 44 compounds classified as phenolic acid derivatives, flavonoids and O-glycosylated derivatives, and hydrolyzable tannins. No deaths or significant behavioral, histological, or biochemical changes are observed in the toxicity assessment. In nociception tests, M. nobilis extract significantly reduces abdominal contortions in APT, demonstrating selectivity for inflammatory components (FT second phase), not interfering in neuropathic components (FT first phase) or consciousness and locomotion levels in OF. Additionally, M. nobilis extract inhibits plasma acetic-acid-induced leakage. These data demonstrate the low toxicity of M. nobilis ethanolic extract, as well as its effectiveness in modulating inflammatory nociception and plasma leakage, possibly related to the flavonoids and tannins present in its composition.
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Affiliation(s)
- Fabiana Menezes S Camara
- Laboratory of Inflammation and Behavioral Pharmacology (Lafico), Health Science Institute, Federal University of Pará, Belém 66075110, PA, Brazil
| | - Brenda Costa da Conceição
- Laboratory of Inflammation and Behavioral Pharmacology (Lafico), Health Science Institute, Federal University of Pará, Belém 66075110, PA, Brazil
- Pharmaceutical Sciences Post-Graduation Program, Health Sciences Institute, Federal University of Pará, Belém 66075110, PA, Brazil
| | - Eloise Karoline S Cardoso
- Laboratory of Inflammation and Behavioral Pharmacology (Lafico), Health Science Institute, Federal University of Pará, Belém 66075110, PA, Brazil
- Pharmaceutical Sciences Post-Graduation Program, Health Sciences Institute, Federal University of Pará, Belém 66075110, PA, Brazil
| | - Johan Carlos C Santiago
- Laboratory of Liquid Chromatography (Labcrol), Exact and Natural Sciences Institute, Federal University of Pará, Belém 66075110, PA, Brazil
| | - Carlos Alberto B Albuquerque
- Laboratory of Liquid Chromatography (Labcrol), Exact and Natural Sciences Institute, Federal University of Pará, Belém 66075110, PA, Brazil
| | - Washington L Pereira
- Animal Pathology Laboratory, Amazon Federal Rural University, Belém 66077830, PA, Brazil
| | - Marta C Monteiro
- Pharmaceutical Sciences Post-Graduation Program, Health Sciences Institute, Federal University of Pará, Belém 66075110, PA, Brazil
| | - Consuelo Y Yoshioka E Silva
- Pharmaceutical Sciences Post-Graduation Program, Health Sciences Institute, Federal University of Pará, Belém 66075110, PA, Brazil
- Laboratory of Liquid Chromatography (Labcrol), Exact and Natural Sciences Institute, Federal University of Pará, Belém 66075110, PA, Brazil
| | - Milton Nascimento da Silva
- Pharmaceutical Sciences Post-Graduation Program, Health Sciences Institute, Federal University of Pará, Belém 66075110, PA, Brazil
- Laboratory of Liquid Chromatography (Labcrol), Exact and Natural Sciences Institute, Federal University of Pará, Belém 66075110, PA, Brazil
| | - Cristiane F Maia
- Laboratory of Inflammation and Behavioral Pharmacology (Lafico), Health Science Institute, Federal University of Pará, Belém 66075110, PA, Brazil
- Pharmaceutical Sciences Post-Graduation Program, Health Sciences Institute, Federal University of Pará, Belém 66075110, PA, Brazil
| | - Eneas A Fontes-Junior
- Laboratory of Inflammation and Behavioral Pharmacology (Lafico), Health Science Institute, Federal University of Pará, Belém 66075110, PA, Brazil
- Pharmaceutical Sciences Post-Graduation Program, Health Sciences Institute, Federal University of Pará, Belém 66075110, PA, Brazil
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Santiago JCC, Albuquerque CAB, Muribeca AJB, Sá PRC, Pamplona SDGSR, Silva CYYE, Ribera PC, Fontes-Júnior EA, da Silva MN. Margaritaria nobilis L.F. (Phyllanthaceae): Ethnopharmacology and Application of Computational Tools in the Annotation of Bioactive Molecules. Metabolites 2022; 12:681. [PMID: 35893248 DOI: 10.3390/metabo12080681] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 06/29/2022] [Accepted: 07/04/2022] [Indexed: 02/04/2023] Open
Abstract
Margaritaria nobilis is a shrubby species widely distributed in Brazil from the Amazon to the Atlantic Rainforest. Its bark and fruit are used in the Peruvian Amazon for disinfecting abscesses and as a tonic in pregnancy, respectively, and its leaves are used to treat cancer symptoms. From analyses via UHPLC-MS/MS, we sought to determine the chemical profile of the ethanolic extract of M. nobilis leaves by means of putative analyses supported by computational tools and spectral libraries. Thus, it was possible to annotate 44 compounds, of which 12 are phenolic acid derivatives, 16 are O-glycosylated flavonoids and 16 hydrolysable tannins. Among the flavonoids, although they are known, except for kaempferol, which has already been isolated from this species, the other flavonoids (10, 14, 15, 21, 24–26, 28–30, 33–35, 40 and 41) are being reported for the first time in the genus. Among the hydrolysable tannins, six ellagitannins present the HHDP group (6, 19, 22, 31, 38 and 43), one presents the DHHDP group (5), and four contain oxidatively modified congeners (12, 20, 37 and 39). Through the annotation of these compounds, we hope to contribute to the improved chemosystematics knowledge of the genus. Furthermore, supported by a metric review of the literature, we observed that many of the compounds reported here are congeners of authentically bioactive compounds. Thus, we believe that this work may help in understanding future pharmacological activities.
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