1
|
Soares Ribeiro Nogueira T, Gonçalves Curcino Vieira M, Rodrigues da Silva Robaina R, Braz-Filho R, da Costa Gontijo D, Braga de Oliveira A, Curcino Vieira IJ. An update review on monoterpene indole alkaloids and biological activities of Tabernaemontana species occurring in Brazil. J Ethnopharmacol 2024; 328:117921. [PMID: 38369065 DOI: 10.1016/j.jep.2024.117921] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 01/06/2024] [Accepted: 02/15/2024] [Indexed: 02/20/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The Tabernaemontana genus belongs to the Apocynaceae family of which 30 species are found in Brazil. Some Tabernaemontana species are used by Brazilian indigenous people and other communities, or are listed in the Yanomami Pharmacopeia. Ethnopharmacological data include use(s) for muscle problems, depressed sternum, back pain, abscess, indigestion, eye irritation, earache, itching, vaginal discharge, as an aid for older people who are slow and forgetful, mosquito and snake bites, infection by the human botfly larvae, calmative, and fever. Obviously, many of these uses are attributed to the alkaloids found in Tabernaemontana species. AIM OF THE REVIEW The aim is to gather information on Tabernaemontana species occurring in Brazil, as sources of monoterpene indole alkaloids (MIAs). In addition, we aim to collect reported experimental demonstrations of their biological activity, which may provide the foundation for further studies, including phytochemistry, the development of medicinal agents, and validation of phytopreparations. MATERIAL AND METHODS The Brazilian Flora 2020 database was used as source for Tabernamontana species occurring in Brazil. The literature review on these species was collected from Web of Science, Scopus, PubMed, and Scifinder. The keywords included names and synonyms of Tabernaemontana species found in Brazil, which were validated by the Word Flora Online Plant List. RESULTS A literature survey covering the time frame from 1960 until June 2023 resulted in 121 MIAs, including 48 not yet reported in the last review published in 2016. Some alkaloid extracts, fractions, and isolated alkaloids present evidenced biological activity, such as anticancer, anti-inflammatory, antinociceptive, antimicrobial, antiparasitic, antiviral, and against snake venoms, among others. Notably, ethnopharmacological based information has been the basis of some reports on Tabernaemontana species. CONCLUSIONS Our literature survey shows that Tabernaemontana species present bioactive MIAs, such as voacamine and affinisine, demonstrating significant cytotoxicity activity against several tumoral cell lines. Those compounds can be considered promising candidates in the search for new anticancer drugs. However, the Amazonian plant biome is increasingly damaged, which may lead to the extinction of biological diversity. This threat may also affect Tabernaemontana species, which have scarcely been investigated regarding the potential of their phytochemicals for the development of new drugs.
Collapse
Affiliation(s)
- Thalya Soares Ribeiro Nogueira
- Universidade Estadual do Norte Fluminense Darcy Ribeiro, Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, Avenida Alberto Lamego, Campos dos Goytacazes, Rio de Janeiro, 28013-602, Brazil
| | - Milena Gonçalves Curcino Vieira
- Instituto Federal de Educação, Ciência e Tecnologia Fluminense, campus Campos-Centro, Rua Dr. Siqueira, 273, Parque Tamandaré, Campos dos Goytacazes, Rio de Janeiro, 28030-130, Brazil
| | - Renata Rodrigues da Silva Robaina
- Universidade Estadual do Norte Fluminense Darcy Ribeiro, Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, Avenida Alberto Lamego, Campos dos Goytacazes, Rio de Janeiro, 28013-602, Brazil
| | - Raimundo Braz-Filho
- Universidade Estadual do Norte Fluminense Darcy Ribeiro, Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, Avenida Alberto Lamego, Campos dos Goytacazes, Rio de Janeiro, 28013-602, Brazil; Universidade Federal Rural do Rio de Janeiro, Departamento de Química Orgânica, Instituto de Química, Seropédica, Rio de Janeiro, 20000-000, Brazil
| | - Douglas da Costa Gontijo
- Universidade de Brasília, Instituto de Química, Asa Norte, 70910-900, Brasília, Distrito Federal, Brazil
| | - Alaíde Braga de Oliveira
- Faculdade de Fármácia, Departamento de Produtos Farmacêuticos, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, 31270-901, Belo Horizonte, MG, Brazil.
| | - Ivo José Curcino Vieira
- Universidade Estadual do Norte Fluminense Darcy Ribeiro, Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, Avenida Alberto Lamego, Campos dos Goytacazes, Rio de Janeiro, 28013-602, Brazil
| |
Collapse
|
2
|
Toledo Martins Pereira M, Sardou Charret T, Freimann Wermelinger G, Soares Ribeiro Nogueira T, Kaufmann Robbs B, Carvalho Castiglione R, Loureiro Simões R, Dantas Machado RL, Curcino Vieira IJ, Abreu LS, D'Avila Bitencourt Pascoal V, Rheder Fagundes Pascoal AC. Evaluation of the Antiproliferative Potential of yellow Jaboticaba (Myrciaria glazioviana) extracts against Human Cervical Cancer (HeLa cells line) and the Analysis of their Chemical Composition by HPLC-HRESIMS. Chem Biodivers 2024:e202301467. [PMID: 38471006 DOI: 10.1002/cbdv.202301467] [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: 09/20/2023] [Revised: 03/11/2024] [Accepted: 03/12/2024] [Indexed: 03/14/2024]
Abstract
Cervical cancer is a specific type of cancer that affects women around the world, with an incidence of 604 thousand new cases per year and 341 thousand deaths. There is a high demand for new effective antineoplastic drugs with few side effects. In this sense, recent research highlights the potential of compounds of natural origin in treating and preventing different types of cancer. Myrciaria glazioviana is a Brazilian native species belonging to the Myrtaceae family, which has previously described biological activities such as antimicrobial, anti-inflammatory, and antioxidant properties. This study aims to evaluate the anticancer activity of the dichloromethane extract (MGD) and ethyl acetate extract (MGA) of M. glazioviana leaves against human cervical cancer cell line (HeLa), as well as to identify their bioactive compounds. Using HPLC-HRESIMS technique, ten compounds were characterized in both samples: quinic acid, ellagic acid, Tri-O-methyl ellagic acid, two derivatives of Tetra-O-methyl flavellagic acid, quercetrin, Di-O-methyl ellagic acid, and three derivatives of pentamethyl coruleoellagic acid. Through MTT assays using HeLa cells and NIH/3T3 cells, it was observed that MGD and MGA were selective against tumor cells, with IC50 values of 24.31 and 12.62 μg/mL, respectively. The samples induced the tumor cell death by apoptosis, as evidenced by the activation of caspases 3/7, cell shrinkage, and pyknotic nuclei. Both samples were also able to inhibit the migration of HeLa cells after 24 hours of treatment, indicating a potential antimetastatic effect. Therefore, the present research highlights the antiproliferative and antimigratory potential of this species against HeLa cells.
Collapse
Affiliation(s)
- Mariana Toledo Martins Pereira
- Graduate Program in Science and Biotechnology, Institute of Biology, UFF, Niterói, Rio de Janeiro, Brazil
- Research Laboratory of Natural Products and Bioactive Molecules, Nova Friburgo Health Institute, UFF, Nova Friburgo, Rio de Janeiro, Brazil
| | - Thiago Sardou Charret
- Graduate Program in Science and Biotechnology, Institute of Biology, UFF, Niterói, Rio de Janeiro, Brazil
- Research Laboratory of Natural Products and Bioactive Molecules, Nova Friburgo Health Institute, UFF, Nova Friburgo, Rio de Janeiro, Brazil
| | | | | | - Bruno Kaufmann Robbs
- Multiuser Biomedical Research Laboratory, Nova Friburgo Health Institute, UFF, Nova Friburgo, Rio de Janeiro, Brazil
| | - Raquel Carvalho Castiglione
- Laboratory for Clinical and Experimental Research on Vascular Biology (BioVasc), Biomedical Center, State University of Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Rafael Loureiro Simões
- Laboratory for Cellular and Molecular Pharmacology, Biomedical Center, State University of Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ricardo Luiz Dantas Machado
- Graduate Program in Science and Biotechnology, Institute of Biology, UFF, Niterói, Rio de Janeiro, Brazil
- Department of Microbiology and Parasitology, Institute of Biology, UFF, Niterói, Rio de Janeiro, Brazil
| | - Ivo José Curcino Vieira
- Laboratory of Chemical Sciences, Center for Exact Sciences and Technology, UENF, Campos dos Goytacazes, Brazil
| | - Lucas Silva Abreu
- Natural Products Chemistry Laboratory, Institute of Chemistry, UFF, Niterói, Rio de Janeiro, Brazil
| | - Vinicius D'Avila Bitencourt Pascoal
- Graduate Program in Science and Biotechnology, Institute of Biology, UFF, Niterói, Rio de Janeiro, Brazil
- Research Laboratory of Natural Products and Bioactive Molecules, Nova Friburgo Health Institute, UFF, Nova Friburgo, Rio de Janeiro, Brazil
- Multiuser Biomedical Research Laboratory, Nova Friburgo Health Institute, UFF, Nova Friburgo, Rio de Janeiro, Brazil
| | - Aislan Cristina Rheder Fagundes Pascoal
- Graduate Program in Science and Biotechnology, Institute of Biology, UFF, Niterói, Rio de Janeiro, Brazil
- Research Laboratory of Natural Products and Bioactive Molecules, Nova Friburgo Health Institute, UFF, Nova Friburgo, Rio de Janeiro, Brazil
| |
Collapse
|
3
|
de Souza Passos M, Nogueira TSR, da Silva Robaina RR, Calixto SD, Simão TLBV, Muzitano MF, Lassounskaia E, Braz-Filho R, Curcino Vieira IJ. Antimycobacterial and nitric oxide production inhibitory activities of limonoids isolated from Trichilia lepidota subsp. schumanniana (Harms) T.D.Penn. Phytochemistry 2023; 214:113818. [PMID: 37558193 DOI: 10.1016/j.phytochem.2023.113818] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 08/01/2023] [Accepted: 08/04/2023] [Indexed: 08/11/2023]
Abstract
Six previously undescribed intact limonoids together with four known compounds were isolated from the seeds of Trichilia lepidota subsp. schumanniana (Harms) T.D.Penn. Their structures were characterized based on one- and two-dimensional nuclear magnetic resonance spectra, infrared, ultraviolet, mass spectroscopy results, and optical rotation. All compounds were evaluated for their ability to inhibit nitric oxide production in cultures of RAW 264.7 macrophages stimulated by lipopolysaccharide, cytotoxicity and growth of Mycobacterium tuberculosis strains H37Rv and M299. The compounds 7-deacetyl-11β,12α-diacetoxy-14,15-epoxyazadirone (5) and walsurin E (9) were the most potent in inhibiting nitric oxide production, although the compounds 1-deshydroxy-12α-acetoxymunronin N (1) and 6α,12α-dihydroxyazadirone (6) also showed controlled potential of this mediator, in addition to being potent growth inhibitors of Mycobacterium tuberculosis H37RV and M299, without cytotoxicity interference. Ring intact limonoids isolated from Trichilia lepidota subsp. schumanniana seeds are a new source of bioactive substances that may be used in the future against diseases such as tuberculosis and other processes related to inflammation.
Collapse
Affiliation(s)
- Michel de Souza Passos
- Universidade Estadual do Norte Fluminense Darcy Ribeiro, Setor de Química dos Produtos Naturais, Laboratório de Ciências Químicas, Avenida Alberto Lamego 2000, CEP 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Thalya Soares Ribeiro Nogueira
- Universidade Estadual do Norte Fluminense Darcy Ribeiro, Setor de Química dos Produtos Naturais, Laboratório de Ciências Químicas, Avenida Alberto Lamego 2000, CEP 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Renata Rodrigues da Silva Robaina
- Universidade Estadual do Norte Fluminense Darcy Ribeiro, Setor de Química dos Produtos Naturais, Laboratório de Ciências Químicas, Avenida Alberto Lamego 2000, CEP 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Sanderson Dias Calixto
- Universidade Estadual do Norte Fluminense Darcy Ribeiro, Laboratório de Biologia do Reconhecer, Avenida Alberto Lamego 2000, CEP 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Thatiana Lopes Biá Ventura Simão
- Universidade Estadual do Norte Fluminense Darcy Ribeiro, Laboratório de Biologia do Reconhecer, Avenida Alberto Lamego 2000, CEP 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Michelle Frazão Muzitano
- Universidade Federal do Rio de Janeiro, Laboratório de Produtos Bioativos, CEP 27930-560, Macaé, RJ, Brazil
| | - Elena Lassounskaia
- Universidade Estadual do Norte Fluminense Darcy Ribeiro, Laboratório de Biologia do Reconhecer, Avenida Alberto Lamego 2000, CEP 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Raimundo Braz-Filho
- Universidade Estadual do Norte Fluminense Darcy Ribeiro, Setor de Química dos Produtos Naturais, Laboratório de Ciências Químicas, Avenida Alberto Lamego 2000, CEP 28013-602, Campos dos Goytacazes, RJ, Brazil; Departamento de Química, Instituto de Química, Universidade Federal Rural do Rio de Janeiro, CEP 20000-000, Seropédica, RJ, Brazil
| | - Ivo José Curcino Vieira
- Universidade Estadual do Norte Fluminense Darcy Ribeiro, Setor de Química dos Produtos Naturais, Laboratório de Ciências Químicas, Avenida Alberto Lamego 2000, CEP 28013-602, Campos dos Goytacazes, RJ, Brazil.
| |
Collapse
|
4
|
de Oliveira Lima ÂC, Nolasco M, Freitas LDS, Pinheiro AM, de Carvalho CAL, de Freitas HF, Pita SSDR, Vieira IJC, Braz Filho R, Branco A. A new cyclodipeptide from Tetragonisca angustula honey active against Neospora caninum and in silico study. Nat Prod Res 2023:1-6. [PMID: 37585697 DOI: 10.1080/14786419.2023.2245538] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 07/03/2023] [Accepted: 07/31/2023] [Indexed: 08/18/2023]
Abstract
A new cyclic natural compound formed by succinic acid and two alanine amino acid units was isolated from the Tetragonisca angustula honey extract. The chemical structure of 1 was established based on spectroscopic data analysis, including one- (1H and 13C NMR) and two-dimensional NMR techniques (1H-1H-COSY, HSQC and HMBC). A primary culture model previously infected with Neospora caninum was used to evaluate 1 for two time intervals (24 and 72 h), showing a reduction (40-56%) of the number of tachyzoites in the first 24 h and until 72 h, a dose-dependent reduction in parasite proliferation (25-50%). Glial cells treated with 1 did not demonstrate toxicity at concentrations up to 25 ug/mL. Treated and infected cultures showed an increase in NO when compared to control cells in 24 h and 72 h. In silico studies suggest that the new compound may affect DNA synthesis and impair -protein production.
Collapse
Affiliation(s)
- Ângela Cristina de Oliveira Lima
- Graduate Program in Biotechnology, State University of Feira de Santana - UEFS, Feira de Santana, BA, Brazil
- VeterinaryBiochemistry and Immunology Laboratory, Center for Agricultural, Environmental and Biological Sciences, Federal University of Reconcavo da Bahia (UFRB), Cruz das Almas, BA, Brazil
| | - Matheus Nolasco
- Graduate Program in Biotechnology, State University of Feira de Santana - UEFS, Feira de Santana, BA, Brazil
| | - Luciana Dos Santos Freitas
- VeterinaryBiochemistry and Immunology Laboratory, Center for Agricultural, Environmental and Biological Sciences, Federal University of Reconcavo da Bahia (UFRB), Cruz das Almas, BA, Brazil
| | - Alexandre Moraes Pinheiro
- VeterinaryBiochemistry and Immunology Laboratory, Center for Agricultural, Environmental and Biological Sciences, Federal University of Reconcavo da Bahia (UFRB), Cruz das Almas, BA, Brazil
| | - Carlos Alfredo Lopes de Carvalho
- Center for Agricultural, Environmental and Biological Sciences, Federal University of Reconcavo da Bahia (UFRB), Cruz das Almas, BA, Brazil
| | - Humberto Fonseca de Freitas
- Department of Health, State University of Feira de Santana, Feira de Santana, BA, Brazil
- Laboratory of Bioinformatics and Molecular Modeling (LaBiMM,), Pharmacy College, Federal University of Bahia (UFBA), Salvador, Bahia, Brazil
| | - Samuel Silva da Rocha Pita
- Laboratory of Bioinformatics and Molecular Modeling (LaBiMM,), Pharmacy College, Federal University of Bahia (UFBA), Salvador, Bahia, Brazil
| | - Ivo José Curcino Vieira
- Department of Natural Products Chemistry -LCQUI-CCT, University State of North Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ, Brazil
| | - Raimundo Braz Filho
- Department of Natural Products Chemistry -LCQUI-CCT, University State of North Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ, Brazil
- Chemistry Department -DEQUIM-ICE, Federal Rural University of Rio de Janeiro, Seropédica, RJ, Brazil
| | - Alexsandro Branco
- Department of Health, State University of Feira de Santana, Feira de Santana, BA, Brazil
| |
Collapse
|
5
|
Bertonceli MAA, Oliveira AEA, de Souza Passos M, Vieira IJC, Braz-Filho R, Lemos FJA, Martins BX, Façanha AR, Pireda S, da Cunha M, Fernandes KVS. Rotenoids from Clitoria fairchildiana R. Howard (Fabaceae) seeds affect the cellular metabolism of larvae of Aedes aegypti L. (Culicidae). Pestic Biochem Physiol 2022; 186:105167. [PMID: 35973762 DOI: 10.1016/j.pestbp.2022.105167] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 06/28/2022] [Accepted: 06/29/2022] [Indexed: 06/15/2023]
Abstract
Non-domesticated species may represent a treasure chest of defensive molecules which must be investigated and rescued. Clitoria fairchildiana R. Howard is a non-domesticated Fabacea, native from the Amazonian Forest whose seeds are exquisitely refractory to insect predation. Secondary metabolites from these seeds were fractionated by different organic solvents and the CH2Cl2 fraction (CFD - Clitoria fairchildiana dichloromethane fraction), as the most toxic to 3rd instar Aedes aegypti larvae (LC50 180 PPM), was subjected to silica gel chromatography, eluted with a gradient of CH2Cl2: MeOH and sub fractioned in nine fractions (CFD1 - CFD9). All obtained fractions were tested in their toxicity to the insect larvae. Two rotenoids, a 11α-O-β-D-glucopyranosylrotenoid and a 6-deoxyclitoriacetal 11-O-n-glucopyranoside, were identified in the mixture of CFD 7.4 and CFD 7.5, and they were toxic (LC50 120 PPM) to 3rd instar Ae. aegypti larvae, leading to exoskeleton changes, cuticular detachment and perforations in larval thorax and abdomen. These C. fairchildiana rotenoids interfered with the acidification process of cell vesicles in larvae midgut and caused inhibition of 55% of V-ATPases activity of larvae treated with 80 PPM of the compounds, when compared to control larvae. The rotenoids also led to a significant increase in the production of reactive oxygen species (ROS) in treated larvae, especially in the hindgut region of larvae intestines, indicating a triggering of an oxidative stress process to these insects.
Collapse
Affiliation(s)
- Maria Aparecida Aride Bertonceli
- Laboratório de Química e Função de Proteínas e Peptídeos, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, CEP 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Antônia Elenir Amâncio Oliveira
- Laboratório de Química e Função de Proteínas e Peptídeos, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, CEP 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Michel de Souza Passos
- Laboratório de Ciências Químicas, Centro de Ciência e Tecnologia, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, CEP 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Ivo José Curcino Vieira
- Laboratório de Ciências Químicas, Centro de Ciência e Tecnologia, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, CEP 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Raimundo Braz-Filho
- Laboratório de Ciências Químicas, Centro de Ciência e Tecnologia, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, CEP 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Francisco José Alves Lemos
- Laboratório de Biotecnologia, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, CEP 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Brunna Xavier Martins
- Laboratório de Biologia Celular e Tecidual, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, CEP 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Arnoldo Rocha Façanha
- Laboratório de Biologia Celular e Tecidual, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, CEP 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Saulo Pireda
- Laboratório de Biologia Celular e Tecidual, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, CEP 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Maura da Cunha
- Laboratório de Biologia Celular e Tecidual, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, CEP 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Kátia Valevski Sales Fernandes
- Laboratório de Química e Função de Proteínas e Peptídeos, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Avenida Alberto Lamego, 2000, CEP 28013-602, Campos dos Goytacazes, RJ, Brazil.
| |
Collapse
|
6
|
Boeno SI, Vieira IJC, Braz-Filho R, de Souza Passos M, Curcino Vieira MG, do Nascimento MFA, Gontijo DC, de Oliveira AB. Antiplasmodial and cytotoxic effects of the methanol extract, canthinone alkaloids, squalene- and protolimonoid-type triterpenes from Homalolepis suffruticosa roots. J Ethnopharmacol 2022; 285:114890. [PMID: 34864128 DOI: 10.1016/j.jep.2021.114890] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 11/29/2021] [Accepted: 11/30/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Different species of the Simaroubaceae family are used in traditional medicine to treat malaria. Among these is Homalolepis suffruticosa (syn. Simaba suffruticosa and Quassia suffruticosa), which is native to Central Brazil and popularly known as calunga. However, there is a lack of investigation concerning its antimalarial effects. AIM OF THE STUDY To investigate the antiplasmodial and cytotoxic effects of the isolated metabolites and methanol extract from H. suffruticosa roots as well as to conduct the dereplication of this extract aiming to characterize its metabolic profile by UPLC-DAD-ESI-MS/MS. MATERIALS AND METHODS Methanol extract of the H. suffruticosa roots and six isolated compounds were evaluated against chloroquine-resistant Plasmodium falciparum W2 strain by the PfLDH method and cytotoxicity in HepG2 cells by the MTT assay. Dereplication of the extract was performed by UPLC-DAD-ESI-MS/MS. RESULTS The six isolated compounds disclosed high to moderate antiplasmodial activity (IC50 0.0548 ± 0.0083 μg/mL to 26.65 ± 2.40 μg/mL) and cytotoxicity was in the range of CC50 0.62 ± 0.33 μg/mL to 56.43 ± 2.54 μg/mL, while 5-metoxycantin-6-one proved to be the most potent constituent of the six assayed ones. The methanol extract of the roots showed high in vitro antiplasmodial activity (IC50 1.88 ± 0.56 μg/mL), moderate cytotoxicity (CC50 41.93 ± 2.30 μg/mL), and good selectivity index (SI = 22.30). Finally, C20 quassinoids and canthin-6-one alkaloids were putatively identified in the H. suffruticosa methanol extract by LC-MS. CONCLUSIONS Taken together, the isolated compounds, mainly the 5-metoxycantin-6-one and the methanol extract from H. suffruticosa roots, disclose good antiplasmodial activity, supporting the ethnopharmacological history of the Simaroubaceae species as traditional antimalarial drugs.
Collapse
Affiliation(s)
- Samyra Imad Boeno
- Laboratório de Ciências Químicas, CCT, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Av. Alberto Lamengo, 2000, Parque Califórnia, 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Ivo José Curcino Vieira
- Laboratório de Ciências Químicas, CCT, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Av. Alberto Lamengo, 2000, Parque Califórnia, 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Raimundo Braz-Filho
- Laboratório de Ciências Químicas, CCT, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Av. Alberto Lamengo, 2000, Parque Califórnia, 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Michel de Souza Passos
- Laboratório de Ciências Químicas, CCT, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Av. Alberto Lamengo, 2000, Parque Califórnia, 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Milena Gonçalves Curcino Vieira
- Instituto Federal de Educação, Ciência e Tecnologia, Rua Dr. Siqueira, 273, Parque Dom Bosco, 28030-130, Campos dos Goytacazes, RJ, Brazil
| | - Maria Fernanda Alves do Nascimento
- Faculdade de Farmácia, Departamento de Produtos Farmacêuticos, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, 31270-901, Belo Horizonte, MG, Brazil
| | - Douglas Costa Gontijo
- Faculdade de Farmácia, Departamento de Produtos Farmacêuticos, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, 31270-901, Belo Horizonte, MG, Brazil
| | - Alaíde Braga de Oliveira
- Faculdade de Farmácia, Departamento de Produtos Farmacêuticos, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, 31270-901, Belo Horizonte, MG, Brazil.
| |
Collapse
|
7
|
Nascimento LPS, Passos MDS, Nogueira TSR, Arantes MBDS, Monteiro NO, Boeno SIDS, Moreira ASN, Vieira MGC, de Carvalho Júnior AR, Braz-Filho R, Vieira IJC. Chemical Constituents and Biological Activities of the Genus Flindersia
(Rutaceae). MINI-REV ORG CHEM 2022. [DOI: 10.2174/1570193x18666210218213410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Abstract:
The genus Flindersia comprises 17 species distributed in Australia, New Caledonia, New Guinea, and the Maluku Islands. With a variety of classes of secondary metabolites, including terpenes, alkaloids, lignans, flavonoids, coumarins, among other compounds, to date the genus has not been widely studied phytochemically, having more value in the timber industry. However, the objective of this review is to gather the necessary information for future research on this genus, for the inclusion of new chemical constituents and biological activities. Thus, we show that the genus Flindersia has more than 160 isolated or identified compounds. In addition, the alkaloids in this genus confer antimalarial activity.
Collapse
Affiliation(s)
- Lara Pessanha Soares Nascimento
- Laboratório de Ciências Químicas, CCT, Programa de Pós-Graduação em Ciências Naturais, Universidade Estadual do Norte Fluminense Darcy Ribeiro, 28013-602, Campos dos Goytacazes, RJ, ,Brazil
| | - Michel de Souza Passos
- Laboratório de Ciências Químicas, CCT, Programa de Pós-Graduação em Ciências Naturais, Universidade Estadual do Norte Fluminense Darcy Ribeiro, 28013-602, Campos dos Goytacazes, RJ, ,Brazil
| | - Thalya Soares Ribeiro Nogueira
- Laboratório de Ciências Químicas, CCT, Programa de Pós-Graduação em Ciências Naturais, Universidade Estadual do Norte Fluminense Darcy Ribeiro, 28013-602, Campos dos Goytacazes, RJ, ,Brazil
| | - Mayara Barreto de Souza Arantes
- Laboratório de Ciências Químicas, CCT, Programa de Pós-Graduação em Ciências Naturais, Universidade Estadual do Norte Fluminense Darcy Ribeiro, 28013-602, Campos dos Goytacazes, RJ, ,Brazil
| | - Noemi Oliveira Monteiro
- Laboratório de Ciências Químicas, CCT, Programa de Pós-Graduação em Ciências Naturais, Universidade Estadual do Norte Fluminense Darcy Ribeiro, 28013-602, Campos dos Goytacazes, RJ, ,Brazil
| | - Samyra Imad da Silva Boeno
- Laboratório de Ciências Químicas, CCT, Programa de Pós-Graduação em Ciências Naturais, Universidade Estadual do Norte Fluminense Darcy Ribeiro, 28013-602, Campos dos Goytacazes, RJ, ,Brazil
| | | | | | | | - Raimundo Braz-Filho
- Departamento de Química, ICE, Universidade Federal Rural do Rio de Janeiro, 23890-000, Seropédica, RJ, ,Brazil
| | - Ivo José Curcino Vieira
- Laboratório de Ciências Químicas, CCT, Programa de Pós-Graduação em Ciências Naturais, Universidade Estadual do Norte Fluminense Darcy Ribeiro, 28013-602, Campos dos Goytacazes, RJ, ,Brazil
| |
Collapse
|
8
|
de Souza Passos M, Monteiro N, Kanashiro MM, Braz-Filho R, Vieira IJC. New hydroperoxycycloartane-complete chemical shifts assignment of 13C and 1H-and cytotoxicity evaluation of cycloartanes isolated from Trichilia casaretti. Nat Prod Res 2021; 36:5423-5428. [PMID: 34881656 DOI: 10.1080/14786419.2021.2013214] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
New cycloartane, 22-hydroxy-25-hydroperoxycycloart-23E-en-3-one (1), along with six known analogues (2-7) and three steroids (8-10), were isolated from the leaves of Trichilia casaretti. Structures were elucidated mainly on the basis of the analysis of 1D and 2D NMR (1H and 13C) and HRESIMS spectroscopic data, involving comparison with data of the literature. The cytotoxic activities of 1-7 and 10 isolated compounds were also evaluated against human leukemia cell line Molt-4 (acute lymphoblastic) and exhibited good cytotoxic activity with IC50 values ranging from 10.62 to 21.14 μM.
Collapse
Affiliation(s)
- Michel de Souza Passos
- Laboratório de Ciências Químicas, CCT, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ, Brasil
| | - Noemi Monteiro
- Laboratório de Ciências Químicas, CCT, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ, Brasil
| | - Milton Masahiko Kanashiro
- Laboratório de Biologia do Reconhecer, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ, Brasil
| | - Raimundo Braz-Filho
- Laboratório de Ciências Químicas, CCT, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ, Brasil.,Departamento de Química Orgânica, Instituto de Química, CNPq/FAPERJ, Universidade Federal Rural do Rio de Janeiro, Seropédica, RJ, Brasil
| | - Ivo José Curcino Vieira
- Laboratório de Ciências Químicas, CCT, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ, Brasil
| |
Collapse
|
9
|
Nunes CDR, Barreto Arantes M, Menezes de Faria Pereira S, Leandro da Cruz L, de Souza Passos M, Pereira de Moraes L, Vieira IJC, Barros de Oliveira D. Plants as Sources of Anti-Inflammatory Agents. Molecules 2020; 25:E3726. [PMID: 32824133 PMCID: PMC7465135 DOI: 10.3390/molecules25163726] [Citation(s) in RCA: 95] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/29/2020] [Accepted: 08/05/2020] [Indexed: 02/08/2023] Open
Abstract
Plants represent the main source of molecules for the development of new drugs, which intensifies the interest of transnational industries in searching for substances obtained from plant sources, especially since the vast majority of species have not yet been studied chemically or biologically, particularly concerning anti-inflammatory action. Anti-inflammatory drugs can interfere in the pathophysiological process of inflammation, to minimize tissue damage and provide greater comfort to the patient. Therefore, it is important to note that due to the existence of a large number of species available for research, the successful development of new naturally occurring anti-inflammatory drugs depends mainly on a multidisciplinary effort to find new molecules. Although many review articles have been published in this regard, the majority presented the subject from a limited regional perspective. Thus, the current article presents highlights from the published literature on plants as sources of anti-inflammatory agents.
Collapse
Affiliation(s)
- Clara dos Reis Nunes
- Laboratório de Tecnologia de Alimentos, Centro de Ciências e Tecnologias Agropecuárias, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ 28013-602, Brazil; (C.d.R.N.); (M.B.A.); (S.M.d.F.P.); (L.L.d.C.); (L.P.d.M.)
| | - Mariana Barreto Arantes
- Laboratório de Tecnologia de Alimentos, Centro de Ciências e Tecnologias Agropecuárias, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ 28013-602, Brazil; (C.d.R.N.); (M.B.A.); (S.M.d.F.P.); (L.L.d.C.); (L.P.d.M.)
| | - Silvia Menezes de Faria Pereira
- Laboratório de Tecnologia de Alimentos, Centro de Ciências e Tecnologias Agropecuárias, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ 28013-602, Brazil; (C.d.R.N.); (M.B.A.); (S.M.d.F.P.); (L.L.d.C.); (L.P.d.M.)
| | - Larissa Leandro da Cruz
- Laboratório de Tecnologia de Alimentos, Centro de Ciências e Tecnologias Agropecuárias, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ 28013-602, Brazil; (C.d.R.N.); (M.B.A.); (S.M.d.F.P.); (L.L.d.C.); (L.P.d.M.)
| | - Michel de Souza Passos
- Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, UniversidadeEstadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ 28013-602, Brazil; (M.d.S.P.); (I.J.C.V.)
| | - Luana Pereira de Moraes
- Laboratório de Tecnologia de Alimentos, Centro de Ciências e Tecnologias Agropecuárias, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ 28013-602, Brazil; (C.d.R.N.); (M.B.A.); (S.M.d.F.P.); (L.L.d.C.); (L.P.d.M.)
| | - Ivo José Curcino Vieira
- Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, UniversidadeEstadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ 28013-602, Brazil; (M.d.S.P.); (I.J.C.V.)
| | - Daniela Barros de Oliveira
- Laboratório de Tecnologia de Alimentos, Centro de Ciências e Tecnologias Agropecuárias, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ 28013-602, Brazil; (C.d.R.N.); (M.B.A.); (S.M.d.F.P.); (L.L.d.C.); (L.P.d.M.)
| |
Collapse
|
10
|
Reis IMA, Conceição RS, Ferreira RS, Dos Santos CC, da Silva GR, de Mattos Oliveira L, Cassiano DSA, Dos Santos Junior MC, Botura MB, da Silva VDA, Costa SL, da Silva TMS, Vieira IJC, Braz-Filho R, Branco A. Alkene lactones from Persea fulva (Lauraceae): Evaluation of their effects on tumor cell growth in vitro and molecular docking studies. Bioorg Chem 2019; 86:665-673. [PMID: 30826627 DOI: 10.1016/j.bioorg.2019.02.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Revised: 01/14/2019] [Accepted: 02/09/2019] [Indexed: 12/20/2022]
Abstract
The new alkene lactone, (3E)-5,6-dihydro-5-(hydroxymethyl)-3-docdecylidenefuran-3(4H)-one (1), named majoranolide B, and three alkene lactones known as majorenolide (2), majoranolide (3) and majorynolide (4) were obtained from the aerial parts of Persea fulva (Lauraceae). The structures were elucidated in light of extensive spectroscopic analysis, including 1D, 2D NMR (1H, 13C, 1H-1H-COSY, HMBC and HSQC) and HR-ESI-MS. These compounds were screened for their in vitro antiproliferative activity in rat C6 glioma and astrocyte cells using MTT assay and in silico by molecular docking against targets that play a central role in controlling glioma cell cycle progression. Majoranolide (3) is the most active compound with IC50 6.69 µM against C6 glioma cells, followed by the compounds 1 (IC50 9.06 µM), 2 (IC50 12.04 µM) and 4 (IC50 41.90 µM). The alkene lactones 1-3 exhibited lower toxicity in non-tumor cells when compared to glioma cells. Molecular docking results showed that majoranolide establishes hydrogen bonds with all targets through its α,β-unsaturated-γ-lactone moiety, whereas the long-chain alkyl group binds by means of several hydrophobic bonds. In the present study, it can be concluded from the anti-proliferative activity of isolates against C6 glioma cells that lactone constituents from P. fulva could have a great potential for the control of C6 glioma cells.
Collapse
Affiliation(s)
- Isabella Mary Alves Reis
- Departamento de Saúde, Universidade Estadual de Feira de Santana, Av. Transnordestina s/n, 44036-900 Feira de Santana, BA, Brazil
| | - Rodrigo Souza Conceição
- Departamento de Saúde, Universidade Estadual de Feira de Santana, Av. Transnordestina s/n, 44036-900 Feira de Santana, BA, Brazil
| | - Rafael Short Ferreira
- Laboratório de Neuroquímica e Biologia Celular, Instituto de Ciências da Saúde, Universidade Federal da Bahia - UFBA, Av. Reitor Miguel Calmon s/n, Vale do Canela, 41100-100 Salvador, BA, Brazil
| | - Cleonice Creusa Dos Santos
- Laboratório de Neuroquímica e Biologia Celular, Instituto de Ciências da Saúde, Universidade Federal da Bahia - UFBA, Av. Reitor Miguel Calmon s/n, Vale do Canela, 41100-100 Salvador, BA, Brazil
| | - Girliane Regina da Silva
- Programa de Pós-Graduação em Desenvolvimento e Inovação Tecnológica em Medicamentos, Departamento de Ciências Molecular, Universidade Federal Rural de Pernambuco, Campus Dois Irmãos, 52171-900 Recife, PE, Brazil
| | - Larissa de Mattos Oliveira
- Departamento de Saúde, Universidade Estadual de Feira de Santana, Av. Transnordestina s/n, 44036-900 Feira de Santana, BA, Brazil
| | - Dayse Santos Almeida Cassiano
- Departamento de Saúde, Universidade Estadual de Feira de Santana, Av. Transnordestina s/n, 44036-900 Feira de Santana, BA, Brazil
| | | | - Mariana Borges Botura
- Departamento de Saúde, Universidade Estadual de Feira de Santana, Av. Transnordestina s/n, 44036-900 Feira de Santana, BA, Brazil
| | - Victor Diogenes Amaral da Silva
- Laboratório de Neuroquímica e Biologia Celular, Instituto de Ciências da Saúde, Universidade Federal da Bahia - UFBA, Av. Reitor Miguel Calmon s/n, Vale do Canela, 41100-100 Salvador, BA, Brazil
| | - Silvia Lima Costa
- Laboratório de Neuroquímica e Biologia Celular, Instituto de Ciências da Saúde, Universidade Federal da Bahia - UFBA, Av. Reitor Miguel Calmon s/n, Vale do Canela, 41100-100 Salvador, BA, Brazil
| | - Tania Maria Sarmento da Silva
- Programa de Pós-Graduação em Desenvolvimento e Inovação Tecnológica em Medicamentos, Departamento de Ciências Molecular, Universidade Federal Rural de Pernambuco, Campus Dois Irmãos, 52171-900 Recife, PE, Brazil
| | - Ivo José Curcino Vieira
- Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, Universidade Estadual do Norte Fluminense-Darcy Ribeiro, Av. Alberto Lamego, 2000-Parque Califórnia, 28013-602 Campos dos Goytacazes, RJ, Brazil
| | - Raimundo Braz-Filho
- PVE-FAPERJ/DEQUIM-ICE-Universidade Federal Rural do Rio de Janeiro (UFRRJ), CP 74541, 23894-374 Seropédica, RJ, Brazil; LCQUI-CCT-Universidade Estadual do Norte Fluminense Darcy Ribeiro, 28013-600 Campos dos Goytacazes, RJ, Brazil
| | - Alexsandro Branco
- Departamento de Saúde, Universidade Estadual de Feira de Santana, Av. Transnordestina s/n, 44036-900 Feira de Santana, BA, Brazil.
| |
Collapse
|
11
|
Silveira GR, Campelo KA, Lima GRS, Carvalho LP, Samarão SS, Vieira-da-Motta O, Mathias L, Matos CRR, Vieira IJC, Melo EJTD, Maria EJ. In Vitro Anti-Toxoplasma gondii and Antimicrobial Activity of Amides Derived from Cinnamic Acid. Molecules 2018; 23:molecules23040774. [PMID: 29597255 PMCID: PMC6017938 DOI: 10.3390/molecules23040774] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 03/19/2018] [Accepted: 03/23/2018] [Indexed: 12/31/2022] Open
Abstract
Most cinnamic acids, their esters, amides, aldehydes, and alcohols present several therapeutic actions through anti-inflammatory, antitumor, and inhibitory activity against a great variety of microorganisms. In this work, eight amines derived from cinnamic acid were synthesized and tested against host cells infected with Toxoplasma gondii and the bacteria Escherichia coli, Pseudomonas aeruginosa, Staphylococcus epidermidis, and three strains of Staphylococcus aureus. Compounds 3 and 4 showed the best result against intracellular T. gondii, presenting antiparasitic activity at low concentrations (0.38 and 0.77 mM). The antibacterial activity of these compounds was also evaluated by the agar microdilution method, and amides 2 and 5 had a minimum inhibitory concentration of 250 µg mL−1 against two strains of S. aureus (ATCC 25923 and bovine strain LSA 88). These also showed synergistic action along with a variety of antibiotics, demonstrating that amines derived from cinnamic acid have potential as pharmacological agents.
Collapse
Affiliation(s)
- Graziela Rangel Silveira
- Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, Universidade Estadual do Norte Fluminense-Darcy Ribeiro, Av. Alberto Lamego, 2000-Parque Califórnia, 28013-602 Campos dos Goytacazes/RJ, Brazil.
| | - Karoline Azerêdo Campelo
- Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, Universidade Estadual do Norte Fluminense-Darcy Ribeiro, Av. Alberto Lamego, 2000-Parque Califórnia, 28013-602 Campos dos Goytacazes/RJ, Brazil.
| | - Gleice Rangel Silveira Lima
- Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, Universidade Estadual do Norte Fluminense-Darcy Ribeiro, Av. Alberto Lamego, 2000-Parque Califórnia, 28013-602 Campos dos Goytacazes/RJ, Brazil.
| | - Lais Pessanha Carvalho
- Laboratório de Biologia Celular e Tecidual, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense-Darcy Ribeiro, Av. Alberto Lamego, 2000-Parque Califórnia, 28013-602 Campos dos Goytacazes/RJ, Brazil.
| | - Solange Silva Samarão
- Laboratório de Sanidade Animal, Centro de Ciências e Tecnologias Agropecuárias, Universidade Estadual do Norte Fluminense-Darcy Ribeiro, Av. Alberto Lamego, 2000-Parque Califórnia, 28013-602 Campos dos Goytacazes/RJ, Brazil.
| | - Olney Vieira-da-Motta
- Laboratório de Sanidade Animal, Centro de Ciências e Tecnologias Agropecuárias, Universidade Estadual do Norte Fluminense-Darcy Ribeiro, Av. Alberto Lamego, 2000-Parque Califórnia, 28013-602 Campos dos Goytacazes/RJ, Brazil.
| | - Leda Mathias
- Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, Universidade Estadual do Norte Fluminense-Darcy Ribeiro, Av. Alberto Lamego, 2000-Parque Califórnia, 28013-602 Campos dos Goytacazes/RJ, Brazil.
| | - Carlos Roberto Ribeiro Matos
- Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, Universidade Estadual do Norte Fluminense-Darcy Ribeiro, Av. Alberto Lamego, 2000-Parque Califórnia, 28013-602 Campos dos Goytacazes/RJ, Brazil.
| | - Ivo José Curcino Vieira
- Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, Universidade Estadual do Norte Fluminense-Darcy Ribeiro, Av. Alberto Lamego, 2000-Parque Califórnia, 28013-602 Campos dos Goytacazes/RJ, Brazil.
| | - Edesio José Tenório de Melo
- Laboratório de Biologia Celular e Tecidual, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense-Darcy Ribeiro, Av. Alberto Lamego, 2000-Parque Califórnia, 28013-602 Campos dos Goytacazes/RJ, Brazil.
| | - Edmilson José Maria
- Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, Universidade Estadual do Norte Fluminense-Darcy Ribeiro, Av. Alberto Lamego, 2000-Parque Califórnia, 28013-602 Campos dos Goytacazes/RJ, Brazil.
| |
Collapse
|
12
|
de Lima Glória L, Barreto de Souza Arantes M, Menezes de Faria Pereira S, de Souza Vieira G, Xavier Martins C, Ribeiro de Carvalho Junior A, Antunes F, Braz-Filho R, José Curcino Vieira I, Leandro da Cruz L, Siqueira de Almeida Chaves D, de Paiva Freitas S, Barros de Oliveira D. Phenolic Compounds Present Schinus terebinthifolius Raddi Influence the Lowering of Blood Pressure in Rats. Molecules 2017; 22:E1792. [PMID: 29065547 PMCID: PMC6151430 DOI: 10.3390/molecules22101792] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 10/16/2017] [Accepted: 10/18/2017] [Indexed: 11/17/2022] Open
Abstract
This study identified two phenolic compounds in Schinus terebinthifolius Raddi fruits: naringenin (first report in this species) and gallic acid. Their structures were elucidated by nuclear magnetic resonance (NMR) data (¹H-, 13C-NMR) and a high-performance liquid chromatography (HPLC) technique. A high content of phenolics (659.21 mg of gallic acid equivalents/g of sample-Folin-Ciocalteau method) and total flavonoids (140.69 mg of rutin equivalents/g of sample-aluminum chloride method) were quantified in S. terebinthifolius, as well as high antioxidant activity (77.47%-2,2-diphenyl-1-picrylhydrazyl, DPPH method). The antihypertensive activity related to its phenolic content was investigated. After intravenous infusion in Wistar rats, these phenolics significantly reduced (p < 0.05) the systolic, median, and diastolic arterial pressures of individuals. The rotarod test was performed to determine the mechanism of action of the sample vasorelaxant effect. It was found that its action exceeded that of the positive control used (diazepam). This confirmed the vasodilatory activity exerted by S. terebinthifolius fruits is related to the phenolic compounds present in the plant, which are potent antioxidants and inhibit oxidative stress, mainly in the central nervous system.
Collapse
Affiliation(s)
- Lorena de Lima Glória
- Laboratório de Tecnologia de Alimentos, CCTA, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes 28013-602, Brazil.
| | - Mariana Barreto de Souza Arantes
- Laboratório de Tecnologia de Alimentos, CCTA, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes 28013-602, Brazil.
| | - Silvia Menezes de Faria Pereira
- Laboratório de Tecnologia de Alimentos, CCTA, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes 28013-602, Brazil.
| | - Guilherme de Souza Vieira
- Laboratório de Clínica e Cirurgia Animal, CCTA, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes 28013-602, Brazil.
| | - Camilla Xavier Martins
- Laboratório de Clínica e Cirurgia Animal, CCTA, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes 28013-602, Brazil.
| | - Almir Ribeiro de Carvalho Junior
- Laboratório de Ciências Químicas, CCT, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes 28013-602, Brazil.
| | - Fernanda Antunes
- Laboratório de Clínica e Cirurgia Animal, CCTA, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes 28013-602, Brazil.
| | - Raimundo Braz-Filho
- Laboratório de Ciências Químicas, CCT, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes 28013-602, Brazil.
| | - Ivo José Curcino Vieira
- Laboratório de Ciências Químicas, CCT, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes 28013-602, Brazil.
| | - Larissa Leandro da Cruz
- Laboratório de Tecnologia de Alimentos, CCTA, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes 28013-602, Brazil.
| | - Douglas Siqueira de Almeida Chaves
- Laboratório de Química de Bioativos Naturais, Departamento de Ciências Farmacêuticas, Universidade Federal Rural do Rio de Janeiro, Seropédica 23897-000, Brazil.
| | - Silvério de Paiva Freitas
- Laboratório de Fitotecnia, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes 28013-602, Brazil.
| | - Daniela Barros de Oliveira
- Laboratório de Tecnologia de Alimentos, CCTA, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes 28013-602, Brazil.
| |
Collapse
|
13
|
Cancelieri NM, Ferreira TR, Vieira IJC, Braz-Filho R, Piló-Veloso D, Alcântara AFDC. Correlations among experimental and theoretical NMR data to determine the absolute stereochemistry of darcyribeirine, a pentacyclic indole alkaloid isolated from Rauvolfia grandiflora. J Mol Struct 2015. [DOI: 10.1016/j.molstruc.2015.05.038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
14
|
Moreira ASN, Braz-Filho R, Mussi-Dias V, Vieira IJC. Chemistry and biological activity of ramalina lichenized fungi. Molecules 2015; 20:8952-87. [PMID: 25996207 PMCID: PMC6272487 DOI: 10.3390/molecules20058952] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Revised: 05/01/2015] [Accepted: 05/04/2015] [Indexed: 12/04/2022] Open
Abstract
Lichens are a form of symbiont between a fungus and an alga or cyanobacterium, which contains a wide variety of organic compounds with certain secondary metabolite classes typical of these organisms. The Ramalina genus has approximately 246 species distributed around the World, of which in this review approximately 118 species with published chemical or biological activity studies of extracts or isolated compounds were cited. From the 153 mentioned compounds, only 27 passed were tested for biological activity, being usnic acid the most studied compound and the one showing the best results in almost all in vitro tests performed, although other compounds also presented excellent results as antimicrobial, antitumor and anti-inflammatory agents, among others. Extracts of several species also presented significant results in performed biological tests, demonstrating the potential that these organisms have, in particular, the gender Ramalina, to produce bioactive molecules that can be used as a model for the production of pharmaceuticals.
Collapse
Affiliation(s)
- Antônio Sérgio Nascimento Moreira
- Laboratório de Ciências Químicas, Universidade Estadual do Norte Fluminense Darcy Ribeiro, UENF, Avenida Alberto Lamego 2000, Campos dos Goytacazes, 28013-602 Rio de Janeiro, Brazil.
- Instituto Federal Fluminense, IFF, Avenida Souza Mota 350, Parque Fundão, Campos dos Goytacazes, 28060-010 Rio de Janeiro, Brazil.
| | - Raimundo Braz-Filho
- Laboratório de Ciências Químicas, Universidade Estadual do Norte Fluminense Darcy Ribeiro, UENF, Avenida Alberto Lamego 2000, Campos dos Goytacazes, 28013-602 Rio de Janeiro, Brazil.
| | - Vicente Mussi-Dias
- Laboratório de Entomologia e Fitopatologia, Universidade Estadual do Norte Fluminense Darcy Ribeiro, UENF, Avenida Alberto Lamego 2000, Campos dos Goytacazes, 28013-602 Rio de Janeiro, Brazil.
| | - Ivo José Curcino Vieira
- Laboratório de Ciências Químicas, Universidade Estadual do Norte Fluminense Darcy Ribeiro, UENF, Avenida Alberto Lamego 2000, Campos dos Goytacazes, 28013-602 Rio de Janeiro, Brazil.
| |
Collapse
|
15
|
Rocha MRE, de Souza JJ, Barcellos LT, Sant'Anna CMR, Braz-Filho R, Vieira IJC. A novel 3,9-(1,2,3-trioxocine)-type steroid of Rauia nodosa (Rutaceae). Molecules 2014; 19:14637-48. [PMID: 25230120 PMCID: PMC6271486 DOI: 10.3390/molecules190914637] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2014] [Revised: 08/25/2014] [Accepted: 09/01/2014] [Indexed: 11/16/2022] Open
Abstract
A new natural product, a 3,9-(1,2,3-trioxocine)-type steroid, named rauianodoxy (6), was isolated from Rauia nodosa, together with five steroids: sistostenone (1), stigmastenone (2), sitosterol (3), stigmasterol (4) and ergosterol peroxide (5), one coumarin, O-geranylosthenol (7), and three alkaloids, N-methylflindersine (8), zantobungeanine (9) and veprissine (10). Compounds 5–8 were isolated for the first time in the genus Rauia. These compounds were characterized on the basis of their spectral data, mainly one and two-dimensional NMR, and mass spectra, also involving comparison with the literature data. Theoretical studies at the DFT level reveal structural parameters for the 1,2,3-trioxole bridge compatible with known structures containing a similar group.
Collapse
Affiliation(s)
- Michelle Rodrigues e Rocha
- Laboratório de Ciências Químicas, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes 28013-602, Brazil
| | - Jucimar Jorgeane de Souza
- Laboratório de Ciências Químicas, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes 28013-602, Brazil
| | - Lucas Tricarico Barcellos
- Departamento de Química, Instituto de Ciência Exatas, Universidade Federal Rural do Rio de Janeiro, Seropédica 23890-000, Brazil
| | - Carlos Mauricio R Sant'Anna
- Departamento de Química, Instituto de Ciência Exatas, Universidade Federal Rural do Rio de Janeiro, Seropédica 23890-000, Brazil
| | - Raimundo Braz-Filho
- Laboratório de Ciências Químicas, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes 28013-602, Brazil
| | - Ivo José Curcino Vieira
- Laboratório de Ciências Químicas, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes 28013-602, Brazil.
| |
Collapse
|
16
|
Guimarães HA, Braz-Filho R, Vieira IJC. ¹H and ¹³C-NMR data of the simplest plumeran indole alkaloids isolated from Aspidosperma species. Molecules 2012; 17:3025-43. [PMID: 22406905 PMCID: PMC6268990 DOI: 10.3390/molecules17033025] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2012] [Revised: 03/07/2012] [Accepted: 03/07/2012] [Indexed: 11/16/2022] Open
Abstract
Indole alkaloids are the chemotaxonomic markers of the Aspidosperma genera. Those that have the simplest plumeran skeleton are classified as the precursors of biosynthetic routes and the intermediates for several synthetic reactions. This work aims to review the ¹H and ¹³C-NMR data, up to 2011, describing the skeleton of 35 different plumeran indole alkaloids, from a group of 46 of them, and highlight the main spectral differences amongst them.
Collapse
Affiliation(s)
| | | | - Ivo José Curcino Vieira
- Laboratory of Chemical Science, State University of North Fluminense Darcy Ribeiro, 28013-602, Campos dos Goytacazes, RJ, Brazil;
| |
Collapse
|
17
|
Abstract
This work reviews the production of terpenoids by endophytic fungi and their biological activities, in period of 2006 to 2010. Sixty five sesquiterpenes, 45 diterpenes, five meroterpenes and 12 other terpenes, amounting to 127 terpenoids were isolated from endophytic fungi.
Collapse
Affiliation(s)
- Jucimar Jorgeane de Souza
- Laboratory of Chemical Science, State University of North Fluminense Darcy Ribeiro, 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Ivo José Curcino Vieira
- Laboratory of Chemical Science, State University of North Fluminense Darcy Ribeiro, 28013-602, Campos dos Goytacazes, RJ, Brazil
| | - Edson Rodrigues-Filho
- Laboratory of Biochemistry of Microorganisms Micromolecules (LaBioMMi), Federal University of São Carlos, 13565-905, São Carlos, SP, Brazil
| | - Raimundo Braz-Filho
- Visiting Researcher — Fundação de Amparo a Pesquisa do Estado do Rio de Janeiro / State University of North Fluminense Darcy Ribeiro / Federal Rural Universty of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| |
Collapse
|
18
|
|
19
|
de Almeida Carlos L, da Silva Amaral KA, Curcino Vieira IJ, Mathias L, Braz-Filho R, Silva Samarão S, Vieira-da-Motta O. Rauvolfia grandiflora (apocynaceae) extract interferes with staphylococcal density, enterotoxin production and antimicrobial activity. Braz J Microbiol 2010; 41:612-20. [PMID: 24031536 PMCID: PMC3768640 DOI: 10.1590/s1517-83822010000300011] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2009] [Revised: 09/04/2009] [Accepted: 03/16/2010] [Indexed: 01/01/2023] Open
Abstract
Staphylococci bacteria are involved in many human and animal infections and development of alternative antimicrobial drugs against pathogenic bacteria is of great interest to the pharmaceutical industry. This study investigated the in vitro effect of Rauvolfia grandiflora methanol extract (root bark fraction) (RGE) on the density of ATCC strains of Staphylococcus aureus and Staphylococcus epidermidis, and a clinical enterotoxin-producer, S. aureus bovine strain. The alkaloid, isoreserpiline, obtained from dichloromethane extract of R. grandiflora was ineffective against the strains tested. After incubation of staphylococci strains in the presence of 1.2 μg.mL(-1) RGE, a significant inhibition of cell growth was observed using both spectrophotometry and ELISA assays. Twelve drugs were evaluated for their antimicrobial effects on culture RGE-treated cells using the disk diffusion method. Penicillin resistant strains became sensitive to the drug after RGE treatment. Furthermore, enterotoxin production by RGE-treated S. aureus was evaluated using a standardized ELISA method. Although staphylococcal LSA 88 bovine strain cells remained viable after exposure to the extract, enterotoxin production was precluded in 20% after RGE treatment. Significant interference in staphylococci cell density, drug sensitivity and enterotoxin secretion was observed after treatment. The study highlights the necessity to find new methods of disease prevention and new antibiotic therapies against staphylococcal infections.
Collapse
Affiliation(s)
- Lanamar de Almeida Carlos
- Laboratório de Zootecnia e Nutrição Animal, Universidade Estadual do Norte Fluminense, Campos dos Goytacazes, RJ, Brasil
- Laboratório de Tecnologia de Alimentos, Universidade Estadual do Norte Fluminense, Campos dos Goytacazes, RJ, Brasil
| | | | - Ivo José Curcino Vieira
- Laboratório de Ciências Químicas, Universidade Estadual do Norte Fluminense, Campos dos Goytacazes, RJ, Brasil
- Laboratório de Tecnologia de Alimentos, Universidade Estadual do Norte Fluminense, Campos dos Goytacazes, RJ, Brasil
| | - Leda Mathias
- Laboratório de Ciências Químicas, Universidade Estadual do Norte Fluminense, Campos dos Goytacazes, RJ, Brasil
| | - Raimundo Braz-Filho
- Laboratório de Ciências Químicas, Universidade Estadual do Norte Fluminense, Campos dos Goytacazes, RJ, Brasil
| | - Solange Silva Samarão
- Laboratório de Fitotecnia e Fitossanidade, Instituto Superior de Tecnologia e Ciências Agrárias, Campos dos Goytacazes, RJ, Brasil
| | - Olney Vieira-da-Motta
- Laboratório de Sanidade Animal, Universidade Estadual do Norte Fluminense, Campos dos Goytacazes, RJ, Brasil
| |
Collapse
|
20
|
Vieira IJC, Figueiredo ER, Freitas VR, Mathias L, Braz-Filho R, Araújo RM. A New Sesquiterpene from Trichilia casarettii (Meliaceae). ACTA ACUST UNITED AC 2010. [DOI: 10.4236/ajac.2010.12009] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
|
21
|
Araujo MFD, Vieira IJC, Braz-Filho R, Vieira-da-Motta O, Mathias L. Chemical constituents from Swartzia apetala Raddi var. glabra and evaluation of their antifungal activity against Candida spp. Rev bras farmacogn 2009. [DOI: 10.1590/s0102-695x2009000300005] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
22
|
Abstract
Cymosanine (1) and three further known quassinoids, cedronin (2), chaparrinone (3), and simarolide (4), were isolated from the root bark of Simaba subcymosa. The structures were established by spectroscopic data, mainly 1D, 2D NMR and mass spectra.
Collapse
Affiliation(s)
- Rodrigo Primo De Sousa
- Setor de Química de Produtos Naturais - LCQUI - CCT, Universidade Estadual do Norte Fluminense, Campos dos Goytacazes, Rio de Janeiro, Brazil
| | | | | | | | | | | |
Collapse
|
23
|
Gusmão DS, Páscoa V, Mathias L, Curcino Vieira IJ, Braz-Filho R, Alves Lemos FJ. Derris (Lonchocarpus) urucu (Leguminosae) extract modifies the peritrophic matrix structure of Aedes aegypti (Diptera:Culicidae). Mem Inst Oswaldo Cruz 2002; 97:371-5. [PMID: 12051197 DOI: 10.1590/s0074-02762002000300017] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aqueous suspension of ethanol extracts of Derris (Lonchocarpus) urucu (Leguminosae), collected in the state of Amazonas, Brazil, were tested for larvicidal activity against the mosquito Aedes aegypti (Diptera:Culicidae). The aim of this study was to observe the alterations of peritrophic matrix in Ae. aegypti larvae treated with an aqueous suspension of D. urucu extract. Different concentrations of D. urucu root extract were tested against fourth instar larvae. One hundred percent mortality was observed at 150 microg/ml (LC(50) 17.6 microg/ml) 24 h following treatment. In response to D. urucu feeding, larvae excreted a large amount of amorphous feces, while control larvae did not produce feces during the assay period. Ultrastructural studies showed tha larvae fed with 150 microg/ml of D. urucu extract for 4 h have an imperfect peritrophic matrix and extensive damage of the midgut epithelium. Data indicate a protective role for the peritrophic matrix. The structural modification of the peritrophic matrix is intrinsically associated with larval mortality.
Collapse
Affiliation(s)
- Desiely Silva Gusmão
- Laboratorio de Biotecnologia, Centro de Biociências e Biotecnologia, Campos dos Goytacazes, RJ, Brazil
| | | | | | | | | | | |
Collapse
|
24
|
Vieira IJC, Braz Filho R, Rodrigues Filho E, Vieira PC, Silva MFGD, Fernandes JB. 20(R)- and 20(S)-Simarolide Epimers Isolated from Simaba cuneata: Chemical Shifts Assignment of Carbon and Hydrogen Atoms. J BRAZIL CHEM SOC 1999. [DOI: 10.1590/s0103-50531999000100012] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
|
25
|
Abstract
The new 5-hydroxy-6, 7-dimethoxy-4'-O-(6-O-D-apio-beta-D-furanosyl-beta-D-glucopyranosyl)i soflavone (1) has been isolated from Dalbergia nigra. The structure was elucidated using extensive spectroscopic analysis (1D and 2D NMR, MS, IR, UV).
Collapse
Affiliation(s)
- L Mathias
- Setor de Quimica de Produtos Naturais-CCT/CCTA, Universidade Estadual do Norte Fluminense, 28015-620 Campos-RJ, Brazil, and Departamento de Quimica, Universidade Federal de Sao Carlos, Sao Carlos-SP, Brazil
| | | | | | | |
Collapse
|