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Dos Anjos RTKB, Engracia MJG, Etgeton SAP, Silva Rodrigues ADDP, Rodrigues Silva AC, Krüger CCH, Turnes Pasini Deolindo C, Hoff RB, Barreto F, Moresco KS, Ávila S, Rodrigues Ferreira SM. Commercial propolis extracts from Apis mellifera, Scaptotrigona bipunctata and Melipona quadrifasciata: quality control, antioxidant and antiglycemic potential. Nat Prod Res 2024:1-9. [PMID: 39105418 DOI: 10.1080/14786419.2024.2385033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 06/23/2024] [Accepted: 07/19/2024] [Indexed: 08/07/2024]
Abstract
Quality control of propolis plays a pivotal role in ensuring the appropriate concentrations of active compounds, limiting unwanted substances, verifying authenticity, and adhering to regulatory standards. This study aimed to assess the identity and quality standards, the individual phenolic composition (LC-ESI-MS/MS), and the antioxidant and antiglycemic potential of commercial propolis extracts (CPEs) from Apis mellifera, Scaptotrigona bipunctata, and Melipona quadrifasciata bees. CPEs met wax content and oxidation activity criteria, surpassing minimum thresholds for total phenolic content (TPC) and flavonoid content (TFC), although stingless bee CPE did not test positive for 10% lead acetate. CPEs exhibited antioxidant and potential antiglycemic activities. Epicatechin among the thirty-three identified phenolics, showed significant correlation with TPC, DPPH, ABTS, and EC50 values of α-amylase enzyme. These promising attributes underscore the potential health benefits of commercial propolis extracts from Apis mellifera and stingless bees for further medicinal and nutritional applications.
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Affiliation(s)
| | | | | | | | - Anne Caroline Rodrigues Silva
- Postgraduate Program in Nutrition Sciences, Federal University of the Jequitinhonha and Mucuri Valleys, Diamantina, Brazil
| | | | - Carolina Turnes Pasini Deolindo
- Ministry of Agriculture, Livestock and Food Supply (MAPA), Federal Agricultural Defense Laboratory, Advanced Laboratory Sector in Santa Catarina (SLAV-SC/LFDA/RS), São José, Santa Catarina, Brazil
- Department of Food Science and Technology, Federal University of Santa Catarina (UFSC), Florianópolis, Santa Catrina, Brazil
| | - Rodrigo Barcellos Hoff
- Department of Food Science and Technology, Federal University of Santa Catarina (UFSC), Florianópolis, Santa Catrina, Brazil
| | - Fabiano Barreto
- Ministry of Agriculture, Livestock and Food Supply (MAPA), Federal Agricultural Defense Laboratory, Advanced Laboratory Sector in Santa Catarina (SLAV-SC/LFDA/RS), São José, Santa Catarina, Brazil
| | - Karla Suzana Moresco
- Graduate Program in Nutrition, Federal University of Paraná, Curitiba, Brazil
- Department of Food Engineering, Federal University of Technology-Paraná, Francisco Beltrão, Brazil
| | - Suelen Ávila
- Postgraduate Program in Food and Nutrition, Federal University of Paraná, Curitiba, Brazil
| | - Sila Mary Rodrigues Ferreira
- Postgraduate Program in Food and Nutrition, Department of Nutrition, Federal University of Paraná, Curitiba, Brazil
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Gomes KO, Messias da Silva LCF, dos Santos RD, Prado BA, da Silva Montes P, Silva Rodrigues LF, de Araújo MO, Bilac CA, Freire DO, Gris EF, Rodrigues da Silva IC, de Sá Barreto LCL, Orsi DC. Chemical characterization and antibacterial activities of Brazilian propolis extracts from Apis mellifera bees and stingless bees (Meliponini). PLoS One 2024; 19:e0307289. [PMID: 39012879 PMCID: PMC11251613 DOI: 10.1371/journal.pone.0307289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Accepted: 07/02/2024] [Indexed: 07/18/2024] Open
Abstract
The aim of this study was to evaluate the physicochemical composition and antibacterial activity of Brazilian propolis extracts from different types, concentrations, and extraction solvents and from different regions in Brazil. A total of 21 samples were analyzed, comprising 14 samples from Apis mellifera (12 green, 1 brown, and 1 red) and 7 samples from stingless bees (3 mandaçaia, 2 jataí, 1 hebora, and 1 tubuna). The analyses performed were dry extract, total phenolic content (TPC) and antioxidant activity (DPPH and ABTS). The antibacterial activity was performed by Determination of Minimal Inhibitory Concentration (MIC) and Minimal Bactericidal Concentration (MBC). The results showed that very low levels of phenolic compounds and antioxidant activity decreased the antimicrobial activity of the propolis extracts from tubuna and jataí. However, there was no correlation between the increase in propolis concentration in the extract, and the increase in antimicrobial activity. The highest TPC and antioxidant activity was obtained for green propolis extract made with 70% raw propolis that presented similar antibacterial activity to the samples formulated with 30% or less raw propolis. The aqueous propolis extract showed lower antimicrobial activity compared to the alcoholic extracts, indicating that ethanol is a better solvent for extracting the active compounds from propolis. It was observed that the MIC (0.06 to 0.2 mg/mL) and MBC (0.2 to 0.5 mg/mL) values for Gram-negative bacteria were higher compared to Gram-positive bacteria (MIC 0.001-0.2 mg/mL, and the MBC 0.02-0.5 mg/mL). The propolis extracts that exhibited the highest antimicrobial activities were from stingless bees hebora from the Distrito Federal (DF) and mandaçaia from Santa Catarina, showing comparable efficacy to samples 5, 6, and 7, which were the green propolis from the DF. Hence, these products can be considered an excellent source of bioactive compounds with the potential for utilization in both the pharmaceutical and food industries.
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Affiliation(s)
- Karolina Oliveira Gomes
- Laboratory of Quality Control and Post-Graduate Program in Health Sciences and Technologies, University of Brasília, Brasília, DF, Brazil
| | | | - Rebeca Dias dos Santos
- Laboratory of Quality Control and Post-Graduate Program in Health Sciences and Technologies, University of Brasília, Brasília, DF, Brazil
| | - Bruno Alcântara Prado
- Laboratory of Quality Control and Post-Graduate Program in Health Sciences and Technologies, University of Brasília, Brasília, DF, Brazil
| | | | - Letícia Fernandes Silva Rodrigues
- Laboratory of Quality Control and Post-Graduate Program in Health Sciences and Technologies, University of Brasília, Brasília, DF, Brazil
| | - Marta Oliveira de Araújo
- Laboratory of Quality Control and Post-Graduate Program in Health Sciences and Technologies, University of Brasília, Brasília, DF, Brazil
| | - Carla Azevedo Bilac
- Laboratory of Quality Control and Post-Graduate Program in Health Sciences and Technologies, University of Brasília, Brasília, DF, Brazil
| | | | - Eliana Fortes Gris
- Laboratory of Quality Control and Post-Graduate Program in Health Sciences and Technologies, University of Brasília, Brasília, DF, Brazil
| | - Izabel Cristina Rodrigues da Silva
- Laboratory of Quality Control and Post-Graduate Program in Health Sciences and Technologies, University of Brasília, Brasília, DF, Brazil
| | | | - Daniela Castilho Orsi
- Laboratory of Quality Control and Post-Graduate Program in Health Sciences and Technologies, University of Brasília, Brasília, DF, Brazil
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Mountford-McAuley R, Robertson A, Taylor M, Clavijo McCormick A. Characterisation of New Zealand Propolis from Different Regions Based on Its Volatile Organic Compounds. Molecules 2024; 29:3143. [PMID: 38999095 PMCID: PMC11243487 DOI: 10.3390/molecules29133143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2024] [Revised: 06/20/2024] [Accepted: 06/20/2024] [Indexed: 07/14/2024] Open
Abstract
Propolis is a bee product mainly consisting of plant resins and is used by bees to maintain the structural integrity of the colony. Propolis is known to contribute to bee health via its antimicrobial activity and is a valued product for human use owing to its nutritional and medicinal properties. Propolis is often characterised into seven categories depending on the resin source. New Zealand propolis is typically assumed as being poplar-type propolis, but few studies have chemically characterised New Zealand propolis to confirm or reject this assumption. Here, for the first time, we characterise propolis originating from different regions in New Zealand based on its volatile organic compounds, using gas chromatography coupled with mass spectrometry (GC-MS). To support this characterisation, we also collected and analysed resin samples from a variety of resin-producing plants (both native to New Zealand and introduced). Our findings suggest that bees mainly use poplar as a resin source, but also utilize native plant species to produce propolis. While regional variation did not allow for clear separation between samples, some patterns emerged, with samples from some regions having more chemical complexity and a higher contribution from native species (as suggested by a higher number of compounds unique to native species resin). Further studies are needed to accurately identify the botanical sources contributing to these samples. It may be also of interest to explore the biological activity of regional propolis samples and their potential nutritional or medicinal benefits.
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Affiliation(s)
- Ruby Mountford-McAuley
- School of Food Technology & Natural Sciences, Massey University, Palmerston North 4410, New Zealand
| | - Alastair Robertson
- School of Food Technology & Natural Sciences, Massey University, Palmerston North 4410, New Zealand
| | - Michelle Taylor
- The New Zealand Institute for Plant and Food Research Limited, Hamilton 3214, New Zealand
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Pătruică S, Adeiza SM, Hulea A, Alexa E, Cocan I, Moraru D, Imbrea I, Floares D, Pet I, Imbrea F, Obiștioiu D. Romanian Bee Product Analysis: Chemical Composition, Antimicrobial Activity, and Molecular Docking Insights. Foods 2024; 13:1455. [PMID: 38790755 PMCID: PMC11119262 DOI: 10.3390/foods13101455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 05/01/2024] [Accepted: 05/06/2024] [Indexed: 05/26/2024] Open
Abstract
Bee products are considered true wonders of nature, used since ancient times, and studied even today for their various biological activities. In this study, we hypothesise that Romanian bee products from different origins (micro apiary products, lyophilised forms, commercial) exhibit distinct chemical compositions, influencing their biological activities. An LC-MS analysis revealed varied polyphenolic content patterns, with cumaric acid, ferulic acid, rosmarinic acid, and quercitine identified in significant amounts across all samples. Primary anti-inflammatory evaluation phases, including the inhibition of haemolysis values and protein denaturation, unveiled a range of protective effects on red blood cells (RBC) and blood proteins, contingent upon the sample concentration. Antimicrobial activity assessments against 12 ATCC strains and 6 pathogenic isolates demonstrated varying efficacy, with propolis samples showing low efficacy, royal jelly forms displaying moderate effectiveness, and apilarnin forms exhibiting good inhibitory activity, mostly against Gram-positive bacteria. Notably, the lyophilised form emerged as the most promising sample, yielding the best results across the biological activities assessed. Furthermore, molecular docking was employed to elucidate the inhibitory potential of compounds identified from these bee products by targeting putative bacterial and fungal proteins. Results from the docking analysis showed rosmarinic and rutin exhibited strong binding energies and interactions with the putative antimicrobial proteins of bacteria (-9.7 kcal/mol to -7.6 kcal/mol) and fungi (-9.5 kcal/mol to -8.1 kcal/mol). The findings in this study support the use of bee products for antimicrobial purposes in a biologically active and eco-friendly proportion while providing valuable insights into their mechanism of action.
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Affiliation(s)
- Silvia Pătruică
- Faculty of Bioengineering of Animal Resources, University of Life Sciences “King Mihai I” from Timișoara, Calea Aradului nr. 119, 300645 Timisoara, Romania; (S.P.); (D.M.); (I.P.)
| | - Suleiman Mukhtar Adeiza
- Faculty of Life Science, Department of Biochemistry, Ahmadu Bello University, Zaria 810107, Kaduna State, Nigeria
| | - Anca Hulea
- Faculty of Veterinary Medicine, University of Life Sciences “King Mihai I” from Timișoara, Calea Aradului no. 119, 300645 Timisoara, Romania; (D.F.); (F.I.); (D.O.)
| | - Ersilia Alexa
- Faculty of Food Engineering, University of Life Sciences “King Mihai I” from Timișoara, Calea Aradului no. 119, 300645 Timisoara, Romania (I.C.)
| | - Ileana Cocan
- Faculty of Food Engineering, University of Life Sciences “King Mihai I” from Timișoara, Calea Aradului no. 119, 300645 Timisoara, Romania (I.C.)
| | - Dragos Moraru
- Faculty of Bioengineering of Animal Resources, University of Life Sciences “King Mihai I” from Timișoara, Calea Aradului nr. 119, 300645 Timisoara, Romania; (S.P.); (D.M.); (I.P.)
| | - Ilinca Imbrea
- Faculty of Agriculture, University of Life Sciences “King Mihai I” from Timișoara, Calea Aradului no. 119, 300645 Timisoara, Romania;
| | - Doris Floares
- Faculty of Veterinary Medicine, University of Life Sciences “King Mihai I” from Timișoara, Calea Aradului no. 119, 300645 Timisoara, Romania; (D.F.); (F.I.); (D.O.)
| | - Ioan Pet
- Faculty of Bioengineering of Animal Resources, University of Life Sciences “King Mihai I” from Timișoara, Calea Aradului nr. 119, 300645 Timisoara, Romania; (S.P.); (D.M.); (I.P.)
| | - Florin Imbrea
- Faculty of Veterinary Medicine, University of Life Sciences “King Mihai I” from Timișoara, Calea Aradului no. 119, 300645 Timisoara, Romania; (D.F.); (F.I.); (D.O.)
| | - Diana Obiștioiu
- Faculty of Veterinary Medicine, University of Life Sciences “King Mihai I” from Timișoara, Calea Aradului no. 119, 300645 Timisoara, Romania; (D.F.); (F.I.); (D.O.)
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Konsila K, Assavalapsakul W, Phuwapraisirisan P, Chanchao C. Anti- Malassezia globosa (MYA-4889, ATCC) activity of Thai propolis from the stingless bee Geniotrigona thoracica. Heliyon 2024; 10:e29421. [PMID: 38660263 PMCID: PMC11041017 DOI: 10.1016/j.heliyon.2024.e29421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 04/04/2024] [Accepted: 04/08/2024] [Indexed: 04/26/2024] Open
Abstract
Malassezia globosa, a lipophilic pathogen, is known to be involved in various chronic skin diseases. Unfortunately, the available treatments have unwanted side effects and microbial drug resistance is evolving. As the antimicrobial activity of propolis is outstanding, this study aimed to examine the potential of propolis from the stingless bee Geniotrigona thoracica against the yeast. Anti-M. globosa growth activity was ascertained in agar well diffusion and broth microdilution assays and the inhibitory concentration value at 50 % (IC50) was determined. Since the yeast cannot synthesize its own fatty acids, extracellular lipase is important for its survival. Here, anti-M. globosa extracellular lipase activity was additionally investigated by colorimetric and agar-based methods. Compared to the crude hexane and crude dichloromethane extracts, the crude methanol partitioned extract (CMPE) exhibited the best anti-M. globosa growth activity with an IC50 of 1.22 mg/mL. After CMPE was further enriched by silica gel column chromatography, fraction CMPE1 (IC50 of 0.98 mM or 184.93 μg/mL) presented the highest activity and was later identified as methyl gallate (MG) by nuclear magnetic resonance analysis. Subsequently, MG was successfully synthesized and shown to have a similar activity, and a minimal fungicidal concentration of 43.44 mM or 8.00 mg/mL. However, lipase assay analysis suggested that extracellular lipase might not be the main target mechanism of MG. This is the first report of MG as a new anti-Malassezia compound. It could be a good candidate for further developing alternative therapeutic agents.
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Affiliation(s)
- Kawisara Konsila
- Program in Biotechnology, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Bangkok, 10330, Thailand
| | - Wanchai Assavalapsakul
- Department of Microbiology, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Bangkok, 10330, Thailand
| | - Preecha Phuwapraisirisan
- Center of Excellence in Natural Products, Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Bangkok, 10330, Thailand
| | - Chanpen Chanchao
- Department of Biology, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Bangkok, 10330, Thailand
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Franchin M, Saliba ASMC, Giovanini de Oliveira Sartori A, Orestes Pereira Neto S, Benso B, Ikegaki M, Wang K, Matias de Alencar S, Granato D. Food-grade delivery systems of Brazilian propolis from Apis mellifera: From chemical composition to bioactivities in vivo. Food Chem 2024; 432:137175. [PMID: 37633143 DOI: 10.1016/j.foodchem.2023.137175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/29/2023] [Accepted: 08/14/2023] [Indexed: 08/28/2023]
Abstract
Brazilian propolis from Apis mellifera is widely studied worldwide due to its unique chemical composition and biological properties, such as antioxidant, antimicrobial, and anti-inflammatory. However, although many countries produce honey, another bee product, the consumption of propolis as a functional ingredient is linked to hydroethanolic extract. Hence, other food uses of propolis still have to be incorporated into food systems. Assuming that propolis is a rich source of flavonoids and is regarded as a food-grade ingredient for food and pharmaceutical applications, this review provides a theoretical and practical basis for optimising the bioactive properties of Brazilian propolis, encompassing the extraction processes and incorporating its bioactive compounds in the delivery systems for food applications. Overall, pharmacotechnical resources can optimise the extraction and enhance the chemical stability of phenolic compounds to ensure the bioactivity of food formulations.
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Affiliation(s)
- Marcelo Franchin
- Bioactivity and Applications Lab, Department of Biological Sciences, Faculty of Science and Engineering, School of Natural Sciences, University of Limerick, Limerick, Ireland; School of Dentistry, Federal University of Alfenas (Unifal-MG), Alfenas, MG, Brazil.
| | | | - Alan Giovanini de Oliveira Sartori
- Department of Agri-Food Industry, Food, and Nutrition, Luiz de Queiroz College of Agriculture, University of São Paulo (USP), Piracicaba, SP, Brazil
| | | | - Bruna Benso
- School of Dentistry, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Masaharu Ikegaki
- Faculty of Pharmaceutical Sciences, Federal University of Alfenas - UNIFAL-MG, Alfenas, MG, Brazil
| | - Kai Wang
- Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Severino Matias de Alencar
- Department of Agri-Food Industry, Food, and Nutrition, Luiz de Queiroz College of Agriculture, University of São Paulo (USP), Piracicaba, SP, Brazil; Center for Nuclear Energy in Agriculture, University of São Paulo (USP), Piracicaba, SP, Brazil
| | - Daniel Granato
- Bioactivity and Applications Lab, Department of Biological Sciences, Faculty of Science and Engineering, School of Natural Sciences, University of Limerick, Limerick, Ireland.
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Sartori AA, Son NT, da Silva Honorio M, Ripari N, Santiago KB, Gomes AM, Zambuzzi WF, Bastos JK, Sforcin JM. Effects of caatinga propolis from Mimosa tenuiflora and its constituents (santin, sakuranetin and kaempferide) on human immune cells. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117297. [PMID: 37813289 DOI: 10.1016/j.jep.2023.117297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 09/27/2023] [Accepted: 10/07/2023] [Indexed: 10/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Propolis is a bee product used in folk medicine to treat inflammatory diseases. Diverse types of propolis are produced worldwide depending on the local flora. Recently, research has been focused on a propolis sample produced in the northeast Brazilian "caatinga" from Mimosa tenuiflora, popularly known as "jurema-preta". AIM OF THE STUDY A possible immunomodulatory/anti-inflammatory action was analyzed to verify the potential of M. tenuiflora propolis (MP) and its constituents (santin, sakuranetin and kaempferide) in human immune cells under baseline conditions or in LPS-stimulated cells. METHODS Cell viability, cytokine (TNF-α, IL-1β, IL-6, IL-8, IL-10) production and intracellular pathways (NF-kB and p38 MAPK) were evaluated. RESULTS Under basal conditions, MP and sakuranetin did not affect cytokine production; santin enhanced TNF-α, IL-1β, IL-6, while kaempferide inhibited IL-8 and IL-10. In LPS-stimulated cells, MP and its compounds exerted an inhibitory activity on TNF-α and IL-1β, while no effects were seen on IL-6 and IL-8. Santin and kaempferide inhibited IL-10 production. No significant differences were seen on NF-kB and p38 MAPK intracellular pathways. CONCLUSION Data indicated the immunomodulatory action of caatinga propolis and its constituents at noncytotoxic concentrations, specifically an anti-inflammatory activity in LPS-treated cells by inhibiting cytokine production. Santin, sakuranetin and kaempferide appeared to be involved in MP activities.
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Affiliation(s)
- Arthur Alves Sartori
- São Paulo State University (UNESP), Institute of Biosciences, Botucatu, SP, Brazil.
| | - Ninh The Son
- Institute of Chemistry, Vietnam Academy of Science and Technology, 18 Hoàng Quoc Viet, Cầu giay, Hanoi, Viet Nam; University of São Paulo (USP), School of Pharmaceutical Sciences of Ribeirão Preto, SP, Brazil.
| | | | - Nicolas Ripari
- São Paulo State University (UNESP), Institute of Biosciences, Botucatu, SP, Brazil.
| | | | | | | | - Jairo Kenupp Bastos
- University of São Paulo (USP), School of Pharmaceutical Sciences of Ribeirão Preto, SP, Brazil.
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Pazin WM, Miranda RR, Toledo KA, Kjeldsen F, Constantino CJL, Brewer JR. pH-Dependence Cytotoxicity Evaluation of Artepillin C against Tumor Cells. Life (Basel) 2023; 13:2186. [PMID: 38004326 PMCID: PMC10672498 DOI: 10.3390/life13112186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 11/01/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
Brazilian green propolis is a well-known product that is consumed globally. Its major component, Artepillin C, showed potential as an antitumor product. This study explored the impact of Artepillin C on fibroblast and glioblastoma cell lines, used as healthy and very aggressive tumor cell lines, respectively. The focus of the study was to evaluate the pH-dependence of Artepillin C cytotoxicity, since tumor cells are known to have a more acidic extracellular microenvironment compared to healthy cells, and Artepillin C was shown to become more lipophilic at lower pH values. Investigations into the pH-dependency of Artepillin C (6.0-7.4), through viability assays and live cell imaging, revealed compelling insights. At pH 6.0, MTT assays showed the pronounced cytotoxic effects of Artepillin C, yielding a notable reduction in cell viability to less than 12% among glioblastoma cells following a 24 h exposure to 100 µM of Artepillin C. Concurrently, LDH assays indicated significant membrane damage, affecting approximately 50% of the total cells under the same conditions. Our Laurdan GP analysis suggests that Artepillin C induces autophagy, and notably, provokes a lipid membrane packing effect, contributing to cell death. These combined results affirm the selective cytotoxicity of Artepillin C within the acidic tumor microenvironment, emphasizing its potential as an effective antitumor agent. Furthermore, our findings suggest that Artepillin C holds promise for potential applications in the realm of anticancer therapies given its pH-dependence cytotoxicity.
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Affiliation(s)
- Wallance M. Pazin
- Department of Physics and Meteorology, School of Sciences, São Paulo State University (UNESP), Bauru 17033-360, Brazil;
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, 5230 Odense, Denmark; (R.R.M.); (F.K.)
| | - Renata R. Miranda
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, 5230 Odense, Denmark; (R.R.M.); (F.K.)
| | - Karina A. Toledo
- Department of Biological Sciences, School of Sciences, Humanities and Languages, São Paulo State University (UNESP), Assis 19806-900, Brazil;
| | - Frank Kjeldsen
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, 5230 Odense, Denmark; (R.R.M.); (F.K.)
| | - Carlos J. L. Constantino
- Department of Physics, School of Sciences and Technology, São Paulo State University (UNESP), Presidente Prudente 19060-900, Brazil;
| | - Jonathan R. Brewer
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, 5230 Odense, Denmark; (R.R.M.); (F.K.)
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Rodrigues Esperandim T, Barcelos Ribeiro A, Silva Squarisi I, Teixeira Marcos de Souza L, Olimpio de Souza T, Oliveira Acésio N, Ferreira Conceição Santos M, Kenupp Bastos J, Ricardo Ambrósio S, Crispim Tavares D. Toxicological and chemoprevention studies of Brazilian brown propolis from Araucaria sp. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2023; 86:791-802. [PMID: 37592437 DOI: 10.1080/15287394.2023.2243976] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/19/2023]
Abstract
Brazilian brown propolis (BBP) is a natural product derived predominantly from the south region of Brazil, where Araucaria forests are dominant. Despite its potential as a source of bioactive compounds with leishmanicidal, anti-inflammatory, nociceptive, and antimicrobial properties, BBP has not been comprehensively studied compared to green propolis. Therefore, this study aimed to determine the safety and chemopreventive potential of BBP. The cytotoxicity attributed to BBP was assessed using two different assays, while the Salmonella/microsome assay was employed to evaluate mutagenicity. The acute toxicity attributed to BBP was determined using a zebrafish model, while the chemopreventive potential was investigated utilizing Chinese hamster lung (V79) cell lines. Data demonstrated that BBP exerted cytotoxic effects at concentrations greater than or equal to 10 µg/ml and did not exhibit mutagenicity in Salmonella typhimurium strains TA98 and TA100. However, at the highest concentration tested (4000 µg/plate), BBP induced a significant increase in revertant colonies in S. typhimurium TA102 strain. The LC50 equivalent to 8.83 mg/L was obtained in the acute toxicity evaluation in zebrafish. BBP also showed antigenotoxic effect by significantly reducing chromosomal damage induced by the mutagen doxorubicin in V79 cell cultures at a concentration of 2.5 μg/ml. Compared to Brazilian green and red propolis, BBP exhibited greater toxicity. On the other hand, at lower concentrations, BBP displayed chemopreventive potential, which may be associated with the antioxidant capacity of the extract. These findings contribute to a better understanding of the biological properties and potential applications of BBP in treating various diseases.
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Affiliation(s)
| | - Arthur Barcelos Ribeiro
- University of Franca, Av. Dr. Armando Salles Oliveira, 201, 14.404-600 Franca, São Paulo, Brazil
| | - Iara Silva Squarisi
- University of Franca, Av. Dr. Armando Salles Oliveira, 201, 14.404-600 Franca, São Paulo, Brazil
| | | | - Thiago Olimpio de Souza
- University of Franca, Av. Dr. Armando Salles Oliveira, 201, 14.404-600 Franca, São Paulo, Brazil
| | - Nathália Oliveira Acésio
- University of Franca, Av. Dr. Armando Salles Oliveira, 201, 14.404-600 Franca, São Paulo, Brazil
| | | | - Jairo Kenupp Bastos
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Sérgio Ricardo Ambrósio
- University of Franca, Av. Dr. Armando Salles Oliveira, 201, 14.404-600 Franca, São Paulo, Brazil
| | - Denise Crispim Tavares
- University of Franca, Av. Dr. Armando Salles Oliveira, 201, 14.404-600 Franca, São Paulo, Brazil
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Dutra RP, de Sousa MM, Mignoni MSPM, de Oliveira KGM, Pereira EB, Figueredo AS, da Costa AAC, Dias TG, Vasconcelos CC, Silva LA, Reis AS, Lopes AJO. Brazilian Amazon Red Propolis: Leishmanicidal Activity and Chemical Composition of a New Variety of Red Propolis. Metabolites 2023; 13:1027. [PMID: 37755307 PMCID: PMC10535413 DOI: 10.3390/metabo13091027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 09/16/2023] [Accepted: 09/19/2023] [Indexed: 09/28/2023] Open
Abstract
Leishmaniasis is caused by protozoans of the genus Leishmania, and its treatment is highly toxic, leading to treatment discontinuation and the emergence of resistant strains. In this study, we assessed the leishmanicidal activity and chemical composition of red propolis collected from the Amazon-dominated region of northern Tocantins State, Brazil. The MTT assay was employed to determine the samples' activity against Leishmania amazonensis promastigotes and their cytotoxicity against RAW macrophages. Spectrophotometric assays were utilised to measure the concentrations of total phenolics and flavonoids, while high-performance liquid chromatography coupled to a mass spectrometer (LC-MS/MS) was used to determine the chemical composition. An in silico study was conducted to evaluate which compounds from Brazilian Amazon red propolis may correlate with this biological activity. Brazilian Amazon red propolis exhibited a high concentration of phenolic compounds and an inhibitory activity against L. amazonensis, with an IC50 ranging from 23.37 to 36.10 µg/mL. Moreover, fractionation of the propolis yielded a fraction with enhanced bioactivity (16.11 µg/mL). Interestingly, neither the propolis nor its most active fraction showed cytotoxicity towards macrophages at concentrations up to 200 µg/mL. The red colour and the presence of isoflavonoid components (isoflavones, isoflavans, and pterocarpans) confirm that the substance is Brazilian red propolis. However, the absence of polyprenylated benzophenones suggests that this is a new variety of Brazilian red propolis. The in silico study performed with two of the main leishmanicidal drug targets using all compounds identified in Amazon red propolis reported that liquiritigenin was the compound that exhibited the best electronic interaction parameters, which was confirmed in an assay with promastigotes using a standard. The findings indicate that Amazon red propolis possesses leishmanicidal activity, low toxicity, and significant biotechnological potential.
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Affiliation(s)
- Richard Pereira Dutra
- Laboratory of Natural Products Chemistry, Federal University of Maranhão, Imperatriz 65915-240, Brazil
- Program in Health and Technology, Federal University of Maranhão, Imperatriz 65915-240, Brazil
| | - Marcos Marinho de Sousa
- Laboratory of Natural Products Chemistry, Federal University of Maranhão, Imperatriz 65915-240, Brazil
- Program in Health and Technology, Federal University of Maranhão, Imperatriz 65915-240, Brazil
| | - Maria Simone Pereira Maciel Mignoni
- Laboratory of Natural Products Chemistry, Federal University of Maranhão, Imperatriz 65915-240, Brazil
- Program in Health and Technology, Federal University of Maranhão, Imperatriz 65915-240, Brazil
| | | | - Euzineti Borges Pereira
- Laboratory of Natural Products Chemistry, Federal University of Maranhão, Imperatriz 65915-240, Brazil
| | - Aline Santana Figueredo
- Laboratory of Pathology and Immunoparasitology, Federal University of Maranhão, São Luís 65080-805, Brazil
- Biological and Health Sciences Center, Federal University of Maranhão, Av. dos Portugueses 1966, São Luís 65085–580, Brazil
| | - Arthur André Castro da Costa
- Laboratory of Pathology and Immunoparasitology, Federal University of Maranhão, São Luís 65080-805, Brazil
- Biological and Health Sciences Center, Federal University of Maranhão, Av. dos Portugueses 1966, São Luís 65085–580, Brazil
| | - Tatielle Gomes Dias
- Program in Health and Technology, Federal University of Maranhão, Imperatriz 65915-240, Brazil
| | - Cleydlenne Costa Vasconcelos
- Biological and Health Sciences Center, Federal University of Maranhão, Av. dos Portugueses 1966, São Luís 65085–580, Brazil
| | - Lucilene Amorim Silva
- Laboratory of Pathology and Immunoparasitology, Federal University of Maranhão, São Luís 65080-805, Brazil
- Biological and Health Sciences Center, Federal University of Maranhão, Av. dos Portugueses 1966, São Luís 65085–580, Brazil
| | - Aramys Silva Reis
- Program in Health and Technology, Federal University of Maranhão, Imperatriz 65915-240, Brazil
| | - Alberto Jorge Oliveira Lopes
- Chemistry Postgraduate Program, Federal Institute of Science Education and Technology of Maranhão, São Luís 65030-005, Brazil
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Alshiekheid MA. Evaluation of the Antibacterial Activities of Mangrove Honeybee Propolis Extract and the Identification of Transpeptidase and Transglycosylase as Targets for New Antibiotics Using Molecular Docking. Antibiotics (Basel) 2023; 12:1197. [PMID: 37508293 PMCID: PMC10376730 DOI: 10.3390/antibiotics12071197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 07/10/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
Developing new antibiotics is a critical area of research that grows as a result of the increasing problem of antibiotic resistance. Scientists search for new antibiotics by screening natural sources such as soil, plants, and marine environments. One of the iconic plants in the marine environment is the mangrove, which is a source of honeybee propolis. Propolis collected from the grey mangrove Avicennia marina on Tarout Island, the Eastern Province of Saudi Arabia, was used to evaluate antibacterial activities against three pathogenic bacteria: gram-negative Enterobacter cloacae (RCMB 001(1) ATCC® 23355TM), gram-positive methicillin-resistant Staphylococcus aureus (clinical isolate), and Streptococcus mutans Clark (RCMB 017(1) ATCC® 25175TM). The results indicate the effectiveness of the methanolic extract of such propolis. The chemical composition of this extract was analyzed using LC-MS, and four compounds were identified (alginic acid, carrageenan, fucoxanthin, cycloeudesmol). Their modes of action were evaluated against bacterial cell walls. Bacterial transpeptidase and transglycosylase on the surface are basic for cell divider amalgamation, and numerous antimicrobials have been created to target these compounds. Molecular docking was employed to predict the interactions of four compounds and S. aureus to predict interaction. Alginic acid was found to be the best interaction with a score of -7.44 Kcal/mol with distance ranges between 2.86 and 3.64 and RMSD refined below 2 Å. Carrageenan with -6.64 Kcal/mol and a distance of 3.05 and 2.87 came second. Then, fucoxanthin with -6.57 Kcal/mol and a distance of 1.4. Finally, cycloeudesmol with a score of -4.6 Kcal/mol and a distance of 2.87 showed the least activity. The first three compounds interacted effectively and could form very promising chemicals that could be used one day against pathogenic bacteria in the future.
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Affiliation(s)
- Maha A Alshiekheid
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
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Schepetkin IA, Özek G, Özek T, Kirpotina LN, Kokorina PI, Khlebnikov AI, Quinn MT. Neutrophil Immunomodulatory Activity of Nerolidol, a Major Component of Essential Oils from Populus balsamifera Buds and Propolis. PLANTS (BASEL, SWITZERLAND) 2022; 11:3399. [PMID: 36501438 PMCID: PMC9739404 DOI: 10.3390/plants11233399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/23/2022] [Accepted: 12/01/2022] [Indexed: 06/17/2023]
Abstract
Propolis is a resinous mixture of substances collected and processed from various botanical sources by honeybees. Black poplar (Populus balsamifera L.) buds are one of the primary sources of propolis. Despite their reported therapeutic properties, little is known about the innate immunomodulatory activity of essential oils from P. balsamifera and propolis. In the present studies, essential oils were isolated from the buds of P. balsamifera and propolis collected in Montana. The main components of the essential oil from P. balsamifera were E-nerolidol (64.0%), 1,8-cineole (10.8%), benzyl benzoate (3.7%), α-terpinyl acetate (2.7%), α-pinene (1.8%), o-methyl anisol (1.8%), salicylaldehyde (1.8%), and benzyl salicylate (1.6%). Likewise, the essential oil from propolis was enriched with E-nerolidol (14.4%), cabreuva oxide-VI (7.9%), α-bisabolol (7.1%), benzyl benzoate (6.1%), β-eudesmol (3.6%), T-cadinol (3.1%), 2-methyl-3-buten-2-ol (3.1%), α-eudesmol (3.0%), fokienol (2.2%), nerolidol oxide derivative (1.9%), decanal (1.8%), 3-butenyl benzene (1.5%), 1,4-dihydronaphthalene (1.5%), selina-4,11-diene (1.5%), α-cadinol (1.5%), linalool (1.4%), γ-cadinene (1.4%), 2-phenylethyl-2-methyl butyrate (1.4%), 2-methyl-2-butenol (1.3%), octanal (1.1%), benzylacetone (1.1%), and eremoligenol (1.1%). A comparison between P. balsamifera and propolis essential oils demonstrated that 22 compounds were found in both essential oil samples. Both were enriched in E-nerolidol and its derivatives, including cabreuva oxide VI and nerolidol oxides. P. balsamifera and propolis essential oils and pure nerolidol activated Ca2+ influx in human neutrophils. Since these treatments activated neutrophils, the essential oil samples were also evaluated for their ability to down-regulate the neutrophil responses to subsequent agonist activation. Indeed, treatment with P. balsamifera and propolis essential oils inhibited subsequent activation of these cells by the N-formyl peptide receptor 1 (FPR1) agonist fMLF and the FPR2 agonist WKYMVM. Likewise, nerolidol inhibited human neutrophil activation induced by fMLF (IC50 = 4.0 μM) and WKYMVM (IC50 = 3.7 μM). Pretreatment with the essential oils and nerolidol also inhibited human neutrophil chemotaxis induced by fMLF, again suggesting that these treatments down-regulated human neutrophil responses to inflammatory chemoattractants. Finally, reverse pharmacophore mapping predicted several potential kinase targets for nerolidol. Thus, our studies have identified nerolidol as a potential anti-inflammatory modulator of human neutrophils.
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Affiliation(s)
- Igor A. Schepetkin
- Department of Microbiology and Cell Biology, Montana State University, Bozeman, MT 59717, USA
| | - Gulmira Özek
- Department of Pharmacognosy, Faculty of Pharmacy, Anadolu University, Eskisehir 26470, Turkey
| | - Temel Özek
- Department of Pharmacognosy, Faculty of Pharmacy, Anadolu University, Eskisehir 26470, Turkey
| | - Liliya N. Kirpotina
- Department of Microbiology and Cell Biology, Montana State University, Bozeman, MT 59717, USA
| | - Polina I. Kokorina
- Kizhner Research Center, Tomsk Polytechnic University, Tomsk 634050, Russia
| | | | - Mark T. Quinn
- Department of Microbiology and Cell Biology, Montana State University, Bozeman, MT 59717, USA
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de Freitas KS, da Silva LHD, Squarisi IS, de Souza Oliveira LT, Ribeiro AB, Alves BS, Esperandim TR, de Melo MRS, Ozelin SD, Lemes DC, Bastos JK, Veneziani RCS, Tavares DC. Red propolis exhibits chemopreventive effect associated with antiproliferative and anti-inflammatory activities. Toxicol Res (Camb) 2022; 11:750-757. [PMID: 36337250 PMCID: PMC9618114 DOI: 10.1093/toxres/tfac049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 06/28/2022] [Accepted: 07/01/2022] [Indexed: 08/25/2023] Open
Abstract
INTRODUCTION Red propolis is synthetized from exudates of Dalbergia ecastophyllum (L) Taub. and Symphonia globulifera L.f., presents isoflavones, guttiferone E, xanthochymol, and oblongifolin B and has anti-inflammatory, antioxidant, and antiproliferative activities. OBJECTIVES This study aimed to evaluate the antigenotoxic and anticarcinogenic potential of red propolis hydroalcoholic extract (RPHE) in rodents. METHODS The influence of RPHE in doxorubicin (DXR)-induced genotoxicity was investigated through the micronucleus test in Swiss mice. Blood samples were also collected to investigate oxidative stress, hepatotoxicity, and nephrotoxicity. Was investigated the influence of RPHE in 1,2-dimethylhydrazine (DMH)-induced aberrant crypt foci, as well as its influence in proliferating cell nuclear antigen (PCNA) and the cyclooxygenase-2 (COX-2) expression in colon of rats, by immunohistochemistry. RESULTS The results showed that RPHE (48 mg/kg) reduced DXR-induced genotoxicity. Animals treated with DXR showed significantly lower GSH serum levels in comparison to the negative control. RPHE treatments did not attenuated significantly the DXR-induced GSH depletion. No difference was observed in cytotoxicity parameters of mice hematopoietic tissues between the treatment groups, as well as the biochemical parameters of hepatotoxicity and nephrotoxicity. RPHE (12 mg/kg) reduced the DMH-induced carcinogenicity and toxicity, as well as DMH-induced PCNA and COX-2 expression in colon tissue. CONCLUSION Therefore, was observed that the RPHE has chemopreventive effect, associated to antiproliferative and anti-inflammatory activities.
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Affiliation(s)
- Karoline Soares de Freitas
- Mutagenesis Laboratory, University of Franca, 201 Dr Armando Salles de Oliveira Ave, Parque Universitário, Franca, São Paulo 14404-600, Brazil
| | - Lucas Henrique Domingos da Silva
- Mutagenesis Laboratory, University of Franca, 201 Dr Armando Salles de Oliveira Ave, Parque Universitário, Franca, São Paulo 14404-600, Brazil
| | - Iara Silva Squarisi
- Mutagenesis Laboratory, University of Franca, 201 Dr Armando Salles de Oliveira Ave, Parque Universitário, Franca, São Paulo 14404-600, Brazil
| | - Lucas Teixeira de Souza Oliveira
- Mutagenesis Laboratory, University of Franca, 201 Dr Armando Salles de Oliveira Ave, Parque Universitário, Franca, São Paulo 14404-600, Brazil
| | - Arthur Barcelos Ribeiro
- Mutagenesis Laboratory, University of Franca, 201 Dr Armando Salles de Oliveira Ave, Parque Universitário, Franca, São Paulo 14404-600, Brazil
| | - Bianca Silva Alves
- Mutagenesis Laboratory, University of Franca, 201 Dr Armando Salles de Oliveira Ave, Parque Universitário, Franca, São Paulo 14404-600, Brazil
| | - Tábata Rodrigues Esperandim
- Mutagenesis Laboratory, University of Franca, 201 Dr Armando Salles de Oliveira Ave, Parque Universitário, Franca, São Paulo 14404-600, Brazil
| | - Matheus Reis Santos de Melo
- Mutagenesis Laboratory, University of Franca, 201 Dr Armando Salles de Oliveira Ave, Parque Universitário, Franca, São Paulo 14404-600, Brazil
| | - Saulo Duarte Ozelin
- Mutagenesis Laboratory, University of Franca, 201 Dr Armando Salles de Oliveira Ave, Parque Universitário, Franca, São Paulo 14404-600, Brazil
| | - Danieli Cristina Lemes
- Mutagenesis Laboratory, University of Franca, 201 Dr Armando Salles de Oliveira Ave, Parque Universitário, Franca, São Paulo 14404-600, Brazil
| | - Jairo Kenupp Bastos
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café Ave, Vila Monte Alegre, Ribeirão Preto, São Paulo 14040-900, Brazil
| | - Rodrigo Cassio Sola Veneziani
- Mutagenesis Laboratory, University of Franca, 201 Dr Armando Salles de Oliveira Ave, Parque Universitário, Franca, São Paulo 14404-600, Brazil
| | - Denise Crispim Tavares
- Mutagenesis Laboratory, University of Franca, 201 Dr Armando Salles de Oliveira Ave, Parque Universitário, Franca, São Paulo 14404-600, Brazil
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Zullkiflee N, Taha H, Usman A. Propolis: Its Role and Efficacy in Human Health and Diseases. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27186120. [PMID: 36144852 PMCID: PMC9504311 DOI: 10.3390/molecules27186120] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/12/2022] [Accepted: 09/14/2022] [Indexed: 02/07/2023]
Abstract
With technological advancements in the medicinal and pharmaceutical industries, numerous research studies have focused on the propolis produced by stingless bees (Meliponini tribe) and Apis mellifera honeybees as alternative complementary medicines for the potential treatment of various acute and chronic diseases. Propolis can be found in tropical and subtropical forests throughout the world. The composition of phytochemical constituents in propolis varies depending on the bee species, geographical location, botanical source, and environmental conditions. Typically, propolis contains lipid, beeswax, essential oils, pollen, and organic components. The latter include flavonoids, phenolic compounds, polyphenols, terpenes, terpenoids, coumarins, steroids, amino acids, and aromatic acids. The biologically active constituents of propolis, which include countless organic compounds such as artepillin C, caffeic acid, caffeic acid phenethyl ester, apigenin, chrysin, galangin, kaempferol, luteolin, genistein, naringin, pinocembrin, coumaric acid, and quercetin, have a broad spectrum of biological and therapeutic properties such as antidiabetic, anti-inflammatory, antioxidant, anticancer, rheumatoid arthritis, chronic obstruct pulmonary disorders, cardiovascular diseases, respiratory tract-related diseases, gastrointestinal disorders, as well as neuroprotective, immunomodulatory, and immuno-inflammatory agents. Therefore, this review aims to provide a summary of recent studies on the role of propolis, its constituents, its biologically active compounds, and their efficacy in the medicinal and pharmaceutical treatment of chronic diseases.
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Affiliation(s)
- Nadzirah Zullkiflee
- Department of Chemistry, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong BE1410, Brunei
| | - Hussein Taha
- Environmental and Life Science, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong BE1410, Brunei
| | - Anwar Usman
- Department of Chemistry, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong BE1410, Brunei
- Correspondence:
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Quality assessment and chemical diversity of Australian propolis from Apis mellifera bees. Sci Rep 2022; 12:13574. [PMID: 35945451 PMCID: PMC9362168 DOI: 10.1038/s41598-022-17955-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 08/03/2022] [Indexed: 11/12/2022] Open
Abstract
The propolis industry is well established in European, South American and East Asian countries. Within Australia, this industry is beginning to emerge with a few small-scale producers. To contribute to the development of the Australian propolis industry, the present study aimed to examine the quality and chemical diversity of propolis collected from various regions across Australia. The results of testing 158 samples indicated that Australian propolis had pure resin yielding from 2 to 81% by weight, total phenolic content and total flavonoid content in one gram of dry extract ranging from a few up to 181 mg of gallic acid equivalent and 145 mg of quercetin equivalent, respectively. Some Australian propolis showed more potent antioxidant activity than the well-known Brazilian green, Brazilian red, and Uruguayan and New Zealand poplar-type propolis in an in vitro DPPH assay. In addition, an HPLC–UV analysis resulted in the identification of 16 Australian propolis types which can be considered as high-grade propolis owing to their high total phenolic content. Chemometric analysis of their 1H NMR spectra revealed that propolis originating from the eastern and western coasts of Australia could be significantly discriminated based on their chemical composition.
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Perspectives for Uses of Propolis in Therapy against Infectious Diseases. Molecules 2022; 27:molecules27144594. [PMID: 35889466 PMCID: PMC9320184 DOI: 10.3390/molecules27144594] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 07/06/2022] [Accepted: 07/06/2022] [Indexed: 01/22/2023] Open
Abstract
Propolis has gained wide popularity over the last decades in several parts of the world. In parallel, the literature about propolis composition and biological properties increased markedly. A great number of papers have demonstrated that propolis from different parts of the world is composed mainly of phenolic substances, frequently flavonoids, derived from plant resins. Propolis has a relevant role in increasing the social immunity of bee hives. Experimental evidence indicates that propolis and its components have activity against bacteria, fungi, and viruses. Mechanisms of action on bacteria, fungi, and viruses are known for several propolis components. Experiments have shown that propolis may act synergistically with antibiotics, antifungals, and antivirus drugs, permitting the administration of lower doses of drugs and higher antimicrobial effects. The current trend of growing resistance of microbial pathogens to the available drugs has encouraged the introduction of propolis in therapy against infectious diseases. Because propolis composition is widely variable, standardized propolis extracts have been produced. Successful clinical trials have included propolis extracts as medicine in dentistry and as an adjuvant in the treatment of patients against COVID-19. Present world health conditions encourage initiatives toward the spread of the niche of propolis, not only as traditional and alternative medicine but also as a relevant protagonist in anti-infectious therapy. Production of propolis and other apiary products is environmentally friendly and may contribute to alleviating the current crisis of the decline of bee populations. Propolis production has had social-economic relevance in Brazil, providing benefits to underprivileged people.
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Hodel KVS, Machado BAS, Sacramento GDC, Maciel CADO, Oliveira-Junior GS, Matos BN, Gelfuso GM, Nunes SB, Barbosa JDV, Godoy ALPC. Active Potential of Bacterial Cellulose-Based Wound Dressing: Analysis of Its Potential for Dermal Lesion Treatment. Pharmaceutics 2022; 14:pharmaceutics14061222. [PMID: 35745794 PMCID: PMC9228207 DOI: 10.3390/pharmaceutics14061222] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 05/31/2022] [Accepted: 06/02/2022] [Indexed: 02/04/2023] Open
Abstract
The use of innate products for the fast and efficient promotion of healing process has been one of the biomedical sector's main bets for lesion treatment modernization process. The aim of this study was to develop and characterize bacterial cellulose-based (BC) wound dressings incorporated with green and red propolis extract (2 to 4%) and the active compounds p-coumaric acid and biochanin A (8 to 16 mg). The characterization of the nine developed samples (one control and eight active wound dressings) evidenced that the mechanics, physics, morphological, and barrier properties depended not only on the type of active principle incorporated onto the cellulosic matrix, but also on its concentration. Of note were the results found for transparency (28.59-110.62T600 mm-1), thickness (0.023-0.046 mm), swelling index (48.93-405.55%), water vapor permeability rate (7.86-38.11 g m2 day-1), elongation (99.13-262.39%), and antioxidant capacity (21.23-86.76 μg mL-1). The wound dressing based on BC and red propolis was the only one that presented antimicrobial activity. The permeation and retention test revealed that the wound dressing containing propolis extract presented the most corneal stratum when compared with viable skin. Overall, the developed wound dressing showed potential to be used for treatment against different types of dermal lesions, according to its determined proprieties.
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Affiliation(s)
- Katharine Valéria Saraiva Hodel
- SENAI Institute for Innovation in Advanced Health Systems (CIMATEC ISI SAS), SENAI/CIMATEC University Center, Salvador 41650-010, Brazil; (K.V.S.H.); (G.d.C.S.); (S.B.N.); (J.D.V.B.)
- Department of Clinical and Toxicological Analysis, Faculty of Pharmacy, Federal University of Bahia, Salvador 40170-115, Brazil; (C.A.d.O.M.); (G.S.O.-J.); (A.L.P.C.G.)
| | - Bruna Aparecida Souza Machado
- SENAI Institute for Innovation in Advanced Health Systems (CIMATEC ISI SAS), SENAI/CIMATEC University Center, Salvador 41650-010, Brazil; (K.V.S.H.); (G.d.C.S.); (S.B.N.); (J.D.V.B.)
- Correspondence: ; Tel.: +55-(71)-3879-5624
| | - Giulia da Costa Sacramento
- SENAI Institute for Innovation in Advanced Health Systems (CIMATEC ISI SAS), SENAI/CIMATEC University Center, Salvador 41650-010, Brazil; (K.V.S.H.); (G.d.C.S.); (S.B.N.); (J.D.V.B.)
| | - Carine Assunção de Oliveira Maciel
- Department of Clinical and Toxicological Analysis, Faculty of Pharmacy, Federal University of Bahia, Salvador 40170-115, Brazil; (C.A.d.O.M.); (G.S.O.-J.); (A.L.P.C.G.)
| | - Gessualdo Seixas Oliveira-Junior
- Department of Clinical and Toxicological Analysis, Faculty of Pharmacy, Federal University of Bahia, Salvador 40170-115, Brazil; (C.A.d.O.M.); (G.S.O.-J.); (A.L.P.C.G.)
| | - Breno Noronha Matos
- Laboratory of Medicines, Food and Cosmetics (LTMAC), University of Brasília, Brasilia 70910-900, Brazil; (B.N.M.); (G.M.G.)
| | - Guilherme Martins Gelfuso
- Laboratory of Medicines, Food and Cosmetics (LTMAC), University of Brasília, Brasilia 70910-900, Brazil; (B.N.M.); (G.M.G.)
| | - Silmar Baptista Nunes
- SENAI Institute for Innovation in Advanced Health Systems (CIMATEC ISI SAS), SENAI/CIMATEC University Center, Salvador 41650-010, Brazil; (K.V.S.H.); (G.d.C.S.); (S.B.N.); (J.D.V.B.)
| | - Josiane Dantas Viana Barbosa
- SENAI Institute for Innovation in Advanced Health Systems (CIMATEC ISI SAS), SENAI/CIMATEC University Center, Salvador 41650-010, Brazil; (K.V.S.H.); (G.d.C.S.); (S.B.N.); (J.D.V.B.)
| | - Ana Leonor Pardo Campos Godoy
- Department of Clinical and Toxicological Analysis, Faculty of Pharmacy, Federal University of Bahia, Salvador 40170-115, Brazil; (C.A.d.O.M.); (G.S.O.-J.); (A.L.P.C.G.)
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Antimicrobial Triterpenoids and Ingol Diterpenes from Propolis of Semi-Arid Region of Morocco. Molecules 2022; 27:molecules27072206. [PMID: 35408603 PMCID: PMC9000693 DOI: 10.3390/molecules27072206] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 03/25/2022] [Accepted: 03/26/2022] [Indexed: 02/04/2023] Open
Abstract
The chemical composition and antimicrobial activity of propolis from a semi-arid region of Morocco were investigated. Fifteen compounds, including triterpenoids (1, 2, 7–12), macrocyclic diterpenes of ingol type (3–6) and aromatic derivatives (13–15), were isolated by various chromatographic methods. Their structures were elucidated by a combination of spectroscopic and chiroptical methods. Compounds 1 and 3 are new natural compounds, and 2, 4–6, and 9–11 are newly isolated from propolis. Moreover, the full nuclear magnetic resonance (NMR) assignments of three of the known compounds (2, 4 and 5) were reported for the first time. Most of the compounds tested, especially the diterpenes 3, 4, and 6, exhibited very good activity against different strains of bacteria and fungi. Compound 3 showed the strongest activity with minimum inhibitory concentrations (MICs) in the range of 4–64 µg/mL. The combination of isolated triterpenoids and ingol diterpenes was found to be characteristic for Euphorbia spp., and Euphorbia officinarum subsp. echinus could be suggested as a probable and new plant source of propolis.
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Synergistic Effect of Polyphenol-Rich Complex of Plant and Green Propolis Extracts with Antibiotics against Respiratory Infections Causing Bacteria. Antibiotics (Basel) 2022; 11:antibiotics11020160. [PMID: 35203763 PMCID: PMC8868350 DOI: 10.3390/antibiotics11020160] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/15/2022] [Accepted: 01/20/2022] [Indexed: 12/21/2022] Open
Abstract
Bacterial infections are a prevalent complication after primary viral respiratory infections and are associated with high morbidity and mortality. Antibiotics are widely used against bacterial respiratory pathogens; however, the rise in antibiotic-resistant strains urges us to search for new antimicrobial compounds, including ones that act synergistically with antibiotics. In this study, the minimal inhibitory (MIC) and minimal bactericidal (MBC) concentrations of a polyphenol-rich complex of green propolis, Tabebuia avellanedae bark, and Olea europaea leaf extracts against Staphylococcus aureus, Haemophilus influenzae, and Klebsiella pneumoniae were determined, followed by an analysis of the synergistic effect with clarithromycin, azithromycin, and amoxiclav (875/125 mg amoxicillin/clavulanic acid). A combination of extracts showed activity against all three bacterial strains, with MIC values ranging from 0.78 to 12.5 mg/mL and MBC values from 1.56 to 12.5 mg/mL. The extracts showed synergistic activity with azithromycin and clarithromycin against S. aureus, with clarithromycin against K. pneumoniae, and with all three tested antibiotics against H. influenzae. Synergy with clarithromycin was additionally evaluated in a time-kill assay where the synergistic effects against S. aureus and K. pneumoniae were seen within the first 6 h of incubation. The results show the potential of polyphenol-rich extracts in enhancing the efficacy of antibiotic therapy and indicate their potential to be used in the management of respiratory infections.
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