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Ribeiro VP, Mejia JAA, Rodrigues DM, Alves GR, de Freitas Pinheiro AM, Tanimoto MH, Bastos JK, Ambrósio SR. Brazilian Brown Propolis: an Overview About Its Chemical Composition, Botanical Sources, Quality Control, and Pharmacological Properties. REVISTA BRASILEIRA DE FARMACOGNOSIA : ORGAO OFICIAL DA SOCIEDADE BRASILEIRA DE FARMACOGNOSIA 2023; 33:288-299. [PMID: 36908300 PMCID: PMC9955532 DOI: 10.1007/s43450-023-00374-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 02/07/2023] [Indexed: 03/14/2023]
Abstract
Brazil is one of the largest propolis producers in the world. Propolis is produced by bees from plant exudates and tissues, leading to many variations in the types of propolis. Generally, Brazilian propolis types are green, brown, and red. Despite not being the main research focus as the green and red propolis, brown propolis is the second most produced propolis type in Brazil and has tremendous economic and medicinal importance. Propolis has drawn attention with the rise in the search for healthier lifestyles, functional foods, biocosmetics, and natural products as therapeutic sources. This review covers the main chemical constituents identified in different types of Brazilian brown propolis, and their botanical sources, chemistry, and biological activities. The economic aspect of brown propolis is also presented. There are many gaps to be filled for brown propolis regarding the development of analytical methods, and quality control to allow its standardization, limiting its applicability in the food and pharmaceutical industries. Future perspectives regarding brown propolis research were discussed, especially biological activities, to support the medicinal uses of different types of brown propolis. Graphical Abstract Supplementary Information The online version contains supplementary material available at 10.1007/s43450-023-00374-x.
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Affiliation(s)
- Victor Pena Ribeiro
- Núcleo de Pesquisa Em Ciências Exatas E Tecnológicas, Universidade de Franca, Franca, SP 14404-600 Brazil
| | - Jennyfer Andrea Aldana Mejia
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. Do Café, Ribeirão Preto, SP 14040-930 Brazil
| | - Debora Munhoz Rodrigues
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. Do Café, Ribeirão Preto, SP 14040-930 Brazil
| | - Gabriel Rocha Alves
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. Do Café, Ribeirão Preto, SP 14040-930 Brazil
| | - Ana Maria de Freitas Pinheiro
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. Do Café, Ribeirão Preto, SP 14040-930 Brazil
| | - Matheus Hikaru Tanimoto
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. Do Café, Ribeirão Preto, SP 14040-930 Brazil
| | - Jairo Kenupp Bastos
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. Do Café, Ribeirão Preto, SP 14040-930 Brazil
| | - Sérgio Ricardo Ambrósio
- Núcleo de Pesquisa Em Ciências Exatas E Tecnológicas, Universidade de Franca, Franca, SP 14404-600 Brazil
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Artepillin C, a major component of Brazilian green propolis, inhibits endoplasmic reticulum stress and protein aggregation. Eur J Pharmacol 2021; 912:174572. [PMID: 34656606 DOI: 10.1016/j.ejphar.2021.174572] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 10/11/2021] [Accepted: 10/12/2021] [Indexed: 01/31/2023]
Abstract
Propolis, a compound produced by honeybees, has long been used in food and beverages to improve health and prevent diseases. We previously reported that the ethanol extracts of Brazilian green propolis and its constituents artepillin C, kaempferide, and kaempferol mitigate oxidative stress-induced cell death via oxytosis/ferroptosis. Here, we investigated the potential of Brazilian green propolis and its constituents to protect against endoplasmic reticulum stress in the mouse hippocampal cell line HT22. Ethanol extracts of Brazilian green propolis, artepillin C, and kaempferol attenuated tunicamycin-induced unfolded protein response and cell death. Interestingly, artepillin C inhibited both tunicamycin-induced protein aggregation in HT22 cells and the spontaneous protein aggregation of mutant canine superoxide dismutase 1 (E40K-SOD1-EGFP) in Neuro2a cells. These findings indicate that in addition to oxidative stress, the ethanol extracts of Brazilian green propolis help prevent endoplasmic reticulum stress-related neuronal cell death, which is proposedly involved in several neurodegenerative diseases. Moreover, artepillin C, a major constituent of Brazilian green propolis, may exhibit chemical chaperone-like properties.
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Synergism of the Combination of Traditional Antibiotics and Novel Phenolic Compounds against Escherichia coli. Pathogens 2020; 9:pathogens9100811. [PMID: 33023003 PMCID: PMC7600547 DOI: 10.3390/pathogens9100811] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 09/30/2020] [Accepted: 10/01/2020] [Indexed: 12/12/2022] Open
Abstract
Pathogenic Escherichia coli (E. coli)-associated infections are becoming difficult to treat because of the rapid emergence of antibiotic-resistant strains. Novel approaches are required to prevent the progression of resistance and to extend the lifespan of existing antibiotics. This study was designed to improve the effectiveness of traditional antibiotics against E. coli using a combination of the gallic acid (GA), hamamelitannin, epicatechin gallate, epigallocatechin, and epicatechin. The fractional inhibitory concentration index (FICI) of each of the phenolic compound-antibiotic combinations against E. coli was ascertained. Considering the clinical significance and FICI, two combinations (hamamelitannin-erythromycin and GA-ampicillin) were evaluated for their impact on certain virulence factors of E. coli. Finally, the effects of hamamelitannin and GA on Rattus norvegicus (IEC-6) cell viability were investigated. The FICIs of the antibacterial combinations against E. coli were 0.281-1.008. The GA-ampicillin and hamamelitannin-erythromycin combinations more effectively prohibited the growth, biofilm viability, and swim and swarm motilities of E. coli than individual antibiotics. The concentration of hamamelitannin and GA required to reduce viability by 50% (IC50) in IEC-6 cells was 988.54 μM and 564.55 μM, correspondingly. GA-ampicillin and hamamelitannin-erythromycin may be potent combinations and promising candidates for eradicating pathogenic E. coli in humans and animals.
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Hossain MA, Park HC, Lee KJ, Park SW, Park SC, Kang J. In vitro synergistic potentials of novel antibacterial combination therapies against Salmonella enterica serovar Typhimurium. BMC Microbiol 2020; 20:118. [PMID: 32410630 PMCID: PMC7227263 DOI: 10.1186/s12866-020-01810-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Accepted: 05/03/2020] [Indexed: 01/08/2023] Open
Abstract
Background The antibiotics generally used in farm animals are rapidly losing their effectiveness all over the world as bacteria develop antibiotic resistance. Like some other pathogenic bacteria multidrug-resistant strains of Salmonella enterica serovar Typhimurium (S. Typhimurium) are also frequently found in animals and humans which poses a major public health concern. New strategies are needed to block the development of resistance and to prolong the life of traditional antibiotics. Thus, this study aimed to increase the efficacy of existing antibiotics against S. Typhimurium by combining them with opportunistic phenolic compounds gallic acid (GA), epicatechin, epicatechin gallate, epigallocatechin and hamamelitannin. Fractional inhibitory concentration indexes (FICI) of phenolic compound-antibiotic combinations against S. Typhimurium were determined. Based on the FICI and clinical importance, 1 combination (GA and ceftiofur) was selected for evaluating its effects on the virulence factors of this bacterium. Viability of Rattus norvegicus (IEC-6) cell in presence of this antibacterial combination was evaluated. Results Minimum inhibitory concentrations (MICs) of GA, epigallocatechin and hamamelitannin found against different strains of S. Typhimurium were 256, (512–1024), and (512–1024) μg/mL, respectively. Synergistic antibacterial effect was obtained from the combination of erythromycin-epicatechin gallate (FICI: 0.50) against S. Typhimurium. Moreover, additive effects (FICI: 0.502–0.750) were obtained from 16 combinations against this bacterium. The time-kill assay and ultrastructural morphology showed that GA-ceftiofur combination more efficiently inhibited the growth of S. Typhimurium compared to individual antimicrobials. Biofilm viability, and swimming and swarming motilities of S. Typhimurium in presence of GA-ceftiofur combination were more competently inhibited than individual antimicrobials. Viabilities of IEC-6 cells were more significantly enhanced by GA-ceftiofur combinations than these antibacterials alone. Conclusions This study suggests that GA-ceftiofur combination can be potential medication to treat S. Typhimurium-associated diarrhea and prevent S. Typhimurium-associated blood-stream infections (e.g.: fever) in farm animals, and ultimately its transmission from animal to human. Further in vivo study to confirm these effects and safety profiles in farm animal should be undertaken for establishing these combinations as medications.
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Affiliation(s)
- Md Akil Hossain
- Veterinary Drugs & Biologics Division, Animal and Plant Quarantine Agency, Gimcheon-si, 39660, Republic of Korea
| | - Hae-Chul Park
- Veterinary Drugs & Biologics Division, Animal and Plant Quarantine Agency, Gimcheon-si, 39660, Republic of Korea
| | - Kwang-Jick Lee
- Veterinary Drugs & Biologics Division, Animal and Plant Quarantine Agency, Gimcheon-si, 39660, Republic of Korea
| | - Sung-Won Park
- Veterinary Drugs & Biologics Division, Animal and Plant Quarantine Agency, Gimcheon-si, 39660, Republic of Korea
| | - Seung-Chun Park
- Laboratory of Veterinary Pharmacokinetics and Pharmacodynamics, College of Veterinary Medicine, Kyungpook National University, Bukgu, Daegu, 41566, Republic of Korea
| | - JeongWoo Kang
- Veterinary Drugs & Biologics Division, Animal and Plant Quarantine Agency, Gimcheon-si, 39660, Republic of Korea.
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Chaerunisaa AY, Susilawati Y, Muhaimin M, Milanda T, Hendriani R, Subarnas A. Antibacterial activity and subchronic toxicity of Cassia fistula L. barks in rats. Toxicol Rep 2020; 7:649-657. [PMID: 32461915 PMCID: PMC7240208 DOI: 10.1016/j.toxrep.2020.04.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 04/26/2020] [Accepted: 04/30/2020] [Indexed: 01/06/2023] Open
Abstract
Extract and ethyl acetate fraction of Cassia fistula L. have potent antibacterial activity against resistant bacteria such as Salmonella typhosa. Extract and Ethyl acetate fraction of Cassia fistula L. barks revealed the most active in vivo antibacterial activity. At 1000 mg/kg dose of extract exposured for 90 days, histological damages were found either in liver or kidney, but after 30 days the abnormality fully were recovered.
Increasing incidence of antibiotic resistance necessitates the development of more potent antibiotics. The aim of this work was to evaluate the antibacterial activity of Cassia fistula L. barks as an alternative agent for resistant pathogenic bacteria. The C. fistula barks were extracted with ethanol, followed by partition of the extract to give n-hexane, ethyl acetate and water fractions. An in vitro antibacterial assay was conducted to evaluate inhibitory activity of the extract and fractions against Salmonella typhosa and Shigella dysenteriae. An in vivo antibacterial activity was examined using S. typhosa-infected mouse models, in which the colony number of S. typhosa were counted from the infected rats’ feces. Assesment on safety of the extract was conducted by a subchronic toxicity test which mainly examined alteration occured in biochemical parameters and hystopatological conditions of livers and kidneys. The results showed that the ethanol extract inhibited the growth of both S. typhosa and S. dysenteriae with the MIC of 0.3125% w/v, and the ethyl acetate fraction with the MIC of 0.625% b/v. In the in vivo antibacterial assay, the extract at three doses decreased the colony number of S. typhosa significantly, and after the fourth to sixth days, the precentage of decrease reached more than 90% by 1000 mg/kg dose. The subchronic toxicity test revealed that after the extract exposured for 90 days, a dose of 1000 mg/kg induced liver and kidney damages histologically, however, it returned to normal condition after 30 days of recovery. The results of this study indicated that the extract of C. fistula L. barks had potent in vivo antibacterial activity against S. typhosa as sample of resistant bacteria, and is safe to be used as a herbal medicine, preferably at a dose lower than 1000 mg/kg.
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Affiliation(s)
- Anis Yohana Chaerunisaa
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang 45363, Indonesia
| | - Yasmiwar Susilawati
- Department of Pharmacy Biology, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang 45363, Indonesia
| | - Muhaimin Muhaimin
- Department of Chemistry, Faculty of Science and Technology, University of Jambi, Jl. Raya Jambi-Muara Bulian Km 15 Mendalo Indah, Jambi 36361, Indonesia
| | - Tiana Milanda
- Department of Pharmacy Biology, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang 45363, Indonesia
| | - Rini Hendriani
- Department of Pharmacology, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang 45363, Indonesia
| | - Anas Subarnas
- Department of Pharmacology, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang 45363, Indonesia
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Santos LM, Fonseca MS, Sokolonski AR, Deegan KR, Araújo RP, Umsza-Guez MA, Barbosa JD, Portela RD, Machado BA. Propolis: types, composition, biological activities, and veterinary product patent prospecting. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2020; 100:1369-1382. [PMID: 31487405 DOI: 10.1002/jsfa.10024] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Revised: 08/27/2019] [Accepted: 09/02/2019] [Indexed: 06/10/2023]
Abstract
Propolis is a resinous substance composed of a mixture of different plant parts and molecules secreted by bees. Chemically, it is defined as a complex matrix containing biologically active molecules with antibacterial, antifungal, antiviral, antiparasitic, hepatoprotective, and immunomodulatory activities. It is widely employed in cosmetic formulations and pharmaceutical products and is one of the most widely used natural products. However, the effects and strength of these biological activities depend on the chemical profile and composition of each propolis type. This composition is associated with the diversity of local flora, the place and period of collection, and the genetics of the bees. In this context, the objective of this review was to investigate the biological, chemical, and microbiological properties of propolis. A technological prospection was also performed on patents for products designed to be used in animal health. Our investigation shows that the literature contains diverse studies dedicated to comparing and describing the composition and therapeutic properties of propolis. These studies demonstrate the potential biological use of propolis in veterinary medicine, showing the applications of propolis extracts in different formulations. However, there are a low number of propolis-based veterinary products with a registered patent. Thus, the development of products based on propolis is a promising market to be exploited. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Laerte M Santos
- Laboratório de Imunologia e Biologia Molecular, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | - Maísa S Fonseca
- Programa de Pós-graduação em Processos Interativos de Órgãos e Sistemas, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | - Ana R Sokolonski
- Programa de Pós-graduação em Processos Interativos de Órgãos e Sistemas, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | - Kathleen R Deegan
- Serviço de Animais Silvestres, Escola de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia, Salvador, Brazil
| | - Roberto Pc Araújo
- Programa de Pós-graduação em Processos Interativos de Órgãos e Sistemas, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | - Marcelo A Umsza-Guez
- Departamento de Biointeração, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | - Josiane Dv Barbosa
- Instituto de Tecnologias da Saúde, Centro Universitário SENAI CIMATEC, Salvador, Brazil
| | - Ricardo D Portela
- Laboratório de Imunologia e Biologia Molecular, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | - Bruna As Machado
- Instituto de Tecnologias da Saúde, Centro Universitário SENAI CIMATEC, Salvador, Brazil
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do Vale Chaves e Mello F, Castro Salomão Quaresma BM, Resende Pitombeira MC, Araújo de Brito M, Farias PP, Lisboa de Castro S, Salomão K, Silva de Carvalho A, Oliveira de Paula JI, de Brito Nascimento S, Peixoto Cupello M, Paes MC, Boechat N, Felzenszwalb I. Novel nitroimidazole derivatives evaluated for their trypanocidal, cytotoxic, and genotoxic activities. Eur J Med Chem 2020; 186:111887. [DOI: 10.1016/j.ejmech.2019.111887] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 11/12/2019] [Accepted: 11/13/2019] [Indexed: 01/03/2023]
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Anjum SI, Ullah A, Khan KA, Attaullah M, Khan H, Ali H, Bashir MA, Tahir M, Ansari MJ, Ghramh HA, Adgaba N, Dash CK. Composition and functional properties of propolis (bee glue): A review. Saudi J Biol Sci 2019; 26:1695-1703. [PMID: 31762646 PMCID: PMC6864204 DOI: 10.1016/j.sjbs.2018.08.013] [Citation(s) in RCA: 252] [Impact Index Per Article: 50.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 08/10/2018] [Accepted: 08/14/2018] [Indexed: 01/22/2023] Open
Abstract
Propolis is a natural substance collected by honey bees from various plants such as, poplar, palm, pine, conifer secretions, gums, resins, mucilage and leaf buds. It is collected and brought very painstakingly by honey bees to be used for sealing cracks and crevices occurring in their hives. Originally, it as an antiseptic meant for preventing bee-hive from microbial infections along with preventing decomposition of intruders. Additionally, propolis has been used in folk medicine for centuries. The biological characteristics of propolis depend upon its chemical composition, plant sources, geographical zone and seasons. More than 300 compounds have been identified in propolis such as, phenolic compounds, aromatic acids, essential oils, waxes and amino acids. Many scientific articles are published every year in different international journals, and several groups of researchers have focused their attention on the chemical compounds and biological activity of propolis.
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Affiliation(s)
- Syed Ishtiaq Anjum
- Department of Zoology, Kohat University of Science and Technology, Kohat 26000, Khyber Pakhtunkhwa, Pakistan
| | - Amjad Ullah
- Department of Zoology, Kohat University of Science and Technology, Kohat 26000, Khyber Pakhtunkhwa, Pakistan
| | - Khalid Ali Khan
- Unit of Bee Research and Honey Production, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
- Department of Biology, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
| | - Mohammad Attaullah
- Department of Zoology, University of Malakand, Chakdara 18800, Dir Lower, Khyber Pakhtunkhwa, Pakistan
| | - Hikmatullah Khan
- Department of Zoology, Kohat University of Science and Technology, Kohat 26000, Khyber Pakhtunkhwa, Pakistan
| | - Hussain Ali
- Entomology Section, Agricultural Research Institute (ARI), Tarnab, Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - Muhammad Amjad Bashir
- Department of Plant Protection, Faculty of Agriculture Sciences, Ghazi University, Dera Ghazi Khan 32200, Punjab, Pakistan
| | - Muhammad Tahir
- Faculty of Marin Sciences, Lasbela University of Agriculture, Water and Marine Sciences, Uthal, Baluchistan, Pakistan
| | - Mohammad Javed Ansari
- Bee Research Chair, Department of Plant Protection, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia
- Department of Botany, Hindu College Moradabad, 244001, India
| | - Hamed A. Ghramh
- Unit of Bee Research and Honey Production, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
- Department of Biology, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
| | - Nuru Adgaba
- Bee Research Chair, Department of Plant Protection, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Chandra Kanta Dash
- Department of Entomology, Faculty of Agriculture, Sylhet Agricultural University, Sylhet 3300, Bangladesh
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Amarante JF, Ribeiro MF, Costa MM, Menezes FG, Silva TM, Amarante TA, Gradela A, Moura LM. Chemical composition and antimicrobial activity of two extract of propolis against isolates of Staphylococcus spp. and multiresistant bacterials. PESQUISA VETERINÁRIA BRASILEIRA 2019. [DOI: 10.1590/1678-5150-pvb-6128] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
ABSTRACT: There is a growing need to discover and develop alternative therapies for the treatment of mastitis caused by Staphylococcus spp. and multidrug-resistant bacterial infections. This study examined the chemical composition and antimicrobial potential of two propolis extracts (EPA and EPB) against seventy-seven isolates of Staphylococcus spp. obtained from subclinical bovine mastitis; three clinical strains of MRSA and two from clinical strains of S. aureus ATCC, identified as S. aureus ATCC 6538 and S. aureus ATCC 25923. The total phenolic content was determined by the Folin-Ciocalteau method, the total flavonoid content by the Dowd method and the phenolic profile was quantified by HPLC-DAD. The MBC values of the extracts were evaluated by broth microdilution method. The amount of total phenolic and flavonoid compounds was higher in EPA than EPB. Both extracts revealed the presence of caffeic, coumaric, cinnamic, ferulic and 3,4-dihydroxybenzoic acids, with higher concentrations of coumaric and cinnamic acids. Staphylococcus spp. isolates were susceptible to EPA (90.9%), EPB (83.1%) and oxacillin (80.5%). The oxacillin susceptible isolates were also susceptible to EPA (70.1%) and EPB (80.6%), whereas those oxacillin-resistant strains were also susceptible to EPA (40.0%) and to EPB (26.7%). MBC ranged from 34.3 to 68.7μm/mL for EPA and from 68.7 to 137.5μg/mL for EPB. Both extracts inhibited significantly (100%) the clinical strains of MRSA, S. aureus ATCC 6538 and S. aureus ATCC 25923 at the concentration of 68.7μg/mL. It is concluded that both extracts of propolis, whose main constituents are coumaric and cinnamic acids, have high antimicrobial activity against the microorganisms studied, and EPA also against oxacillin-resistant strains. These findings reinforce its potential use for the treatment of bovine mastitis.
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Peter C, Waller S, Picoli T, Osório L, Zani J, Meireles M, Faria R, Mello J, Hubner S, Lima M, Fischer G. Chemical and cytotoxic analyses of three varieties of Brazilian propolis (green propolis, jataí propolis and brown propolis) and its anti-Sporothrix brasiliensis in vitro activity. ARQ BRAS MED VET ZOO 2019. [DOI: 10.1590/1678-4162-9918] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
ABSTRACT In this study, we described the antifungal activity of three Brazilian propolis extracts: brown, green and from jataí bees against Sporothrix brasiliensis. The extracts were obtained from ethanolic extraction and their chemical composition was determined by high-performance liquid chromatography coupled to mass spectrometry. The cellular toxicity was measured in MDBK (Madin-Darby Bovine Kidney) cells and quantified by the MTT assay (3- (4,5 dimethylthiazol-2yl -2,5-diphenyl-2H bromine tetrazolato). For antifungal activity, the minimum inhibitory concentration (MIC) and minimum fungicidal concentration (MFC) were determined by broth microdilution. The results showed that cell toxicity was not observed at lower concentrations (0.097 to 0.39μg/ml) for all extracts in comparison to cell control. Among the chemical compounds identified, caffeic acid, p-coumaric acid, chlorogenic acid, ferulic acid and rutin were quantified. In antifungal activity, green and jataí did not exhibit activity against the isolates (MIC and MFC greater than 0.78mg/ml). However, all isolates of S. brasiliensis were sensitive to brown propolis (MIC of 0.09 to 0.78mg/ml), including the standard strain (P<0.001). Among the Brazilian propolis studied, the brown propolis showed activity against the S. brasiliensis isolates and more studies should be undertaken in order to evaluate its promising use in the treatment of sporotrichosis.
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Affiliation(s)
| | | | - T. Picoli
- Universidade Federal de Pelotas, Brazil
| | | | - J.L. Zani
- Universidade Federal de Pelotas, Brazil
| | | | | | - J.R.B. Mello
- Universidade Federal do Rio Grande do Sul, Brazil
| | | | - M. Lima
- Universidade Federal de Pelotas, Brazil
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Polysaccharide-based film loaded with vitamin C and propolis: A promising device to accelerate diabetic wound healing. Int J Pharm 2018; 552:340-351. [DOI: 10.1016/j.ijpharm.2018.10.009] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 09/13/2018] [Accepted: 10/06/2018] [Indexed: 01/07/2023]
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Chattopadhyay D, Ojha D, Mukherjee H, Bag P, Vaidya SP, Dutta S. Validation of a traditional preparation against multi-drug resistant Salmonella Typhi and its protective efficacy in S. Typhimurium infected mice. Biomed Pharmacother 2018; 99:286-289. [PMID: 29353202 DOI: 10.1016/j.biopha.2018.01.057] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2017] [Revised: 12/12/2017] [Accepted: 01/05/2018] [Indexed: 11/18/2022] Open
Abstract
Shorea robusta Gaertn has been used for skin and intestinal ailments in Indian Traditional medicine; while two tribal communities used its tender leaves in 'Meyadi-bukhar' or long-term fever. This prompted us to validate the aqueous and methanol extracts of Shorea robusta tender leaves against wild- and multidrug-resistant clinical isolates of Salmonella enterica Serovar Typhi (S. Typhi), the causative agent of typhoid fever. The antibacterial activity, minimum inhibitory concentration (MIC), minimum bactericidal concentration (MBC) and growth inhibition were determined using disc diffusion, agar-and-broth dilution, dose- and time-response assays, along with the safety and protective efficacy in Balb/C mice, infected with S. Typhimurium. The MIC of the extract was 256-450 μg/ml against S. Typhi isolates, and 700 μg/ml for mouse virulent S. Typhimurium, while MBC was ≤512-1024 μg/ml. The growth curve revealed that the extract was bactericidal at 4-6 h of exposure. Toxicity study showed that the extract was safe up to 3000 mg/kg (p.o.). Moreover, it significantly (p > 0.01) protect the challenged (1.4 × 108 cfu/ml) mice at 93.75 (i.p.) and 300 mg/kg (p.o.) dose, compared to the infection control (distilled water treatment group). Collectively, our results confirmed the antibacterial potential of the test extracts against MDR-isolates of S. Typhi.
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Affiliation(s)
- Debprasad Chattopadhyay
- ICMR Virus Unit, ID and BG Hospital, Beliaghata, Kolkata 700010, India; ICMR-National Institute of Traditional Medicine, Nehru Nagar, Belagavi 590010, India.
| | - Durbadal Ojha
- ICMR Virus Unit, ID and BG Hospital, Beliaghata, Kolkata 700010, India
| | - Hemanta Mukherjee
- ICMR Virus Unit, ID and BG Hospital, Beliaghata, Kolkata 700010, India
| | - Paromita Bag
- ICMR Virus Unit, ID and BG Hospital, Beliaghata, Kolkata 700010, India
| | | | - Shanta Dutta
- National Institutes of Cholera and Enteric Diseases, Beliaghata, Kolkata 700010, India.
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13
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Yang W, Wu Z, Huang ZY, Miao X. Preservation of orange juice using propolis. Journal of Food Science and Technology 2017; 54:3375-3383. [PMID: 29051632 DOI: 10.1007/s13197-017-2754-x] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 06/16/2017] [Accepted: 07/07/2017] [Indexed: 12/30/2022]
Abstract
Orange juice is one of the most popular and the most consumed fruit juices all over the world, especially in Europe and the chemical food preservatives, such as sodium benzoate, potassium sorbate and their mixtures, have long been used in orange juice sold on the market. Excessive consumption of these preservatives may be hazardous to human health. Propolis, composed of resins collected from plant buds and exudates and mixed with salivary gland secretions and beeswax by honey bee workers, has been used as a human medicine and natural food preservative. We hypothesis that propolis, without alcohol, can serve as an alternative and non-synthetic preservative of orange juice. In this study, the preservative effect of propolis emulsion on orange juice was determined up to 35 days. Propolis emulsion (0.02 g/mL propolis, 12 mL), emulsion control (12 mL containing Tween-80, hydrophilic phospholipid and polyethylene glycol 400), sodium benzoate (0.4 g) and potassium sorbate (0.4 g) was each added to 388, 388, 400 and 400 mL orange juice respectively. Propolis emulsion showed significant inhibition of bacteria growth and l-ascorbic acid degradation. Orange juice pH value, titratable acidity, total phenolic content, color and antioxidant capacity were effectively maintained by propolis emulsion. A control solution with all the same emulsifying agents without propolis did not show these properties. It was concluded that propolis can be used as a natural additive agent in orange juice or other fruit juices as an alternative to chemical preservatives.
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Affiliation(s)
- Wenchao Yang
- College of Bee Science, Fujian Agriculture and Forestry University, Fuzhou, 350002 Fujian People's Republic of China
- Bee Product Processing and Application Research Center of the Ministry of Education, Fuzhou, 350002 Fujian People's Republic of China
| | - Zhenhong Wu
- College of Bee Science, Fujian Agriculture and Forestry University, Fuzhou, 350002 Fujian People's Republic of China
- Department of Entomology, Michigan State University, East Lansing, MI 48912 USA
| | - Zachary Y Huang
- College of Bee Science, Fujian Agriculture and Forestry University, Fuzhou, 350002 Fujian People's Republic of China
- Department of Entomology, Michigan State University, East Lansing, MI 48912 USA
| | - Xiaoqing Miao
- College of Bee Science, Fujian Agriculture and Forestry University, Fuzhou, 350002 Fujian People's Republic of China
- Bee Product Processing and Application Research Center of the Ministry of Education, Fuzhou, 350002 Fujian People's Republic of China
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Parasite Killing of Leishmania (V) braziliensis by Standardized Propolis Extracts. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017; 2017:6067172. [PMID: 28690662 PMCID: PMC5485350 DOI: 10.1155/2017/6067172] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 04/10/2017] [Accepted: 04/27/2017] [Indexed: 11/18/2022]
Abstract
Treatments based on antimonials to cutaneous leishmaniasis (CL) entail a range of toxic side effects. Propolis, a natural compound widely used in traditional medical applications, exhibits a range of biological effects, including activity against infectious agents. The aim of this study was to test the potential leishmanicidal effects of different propolis extracts against Leishmania (Viannia) braziliensis promastigotes and intracellular amastigotes in vitro. Stationary-phase L. (V) braziliensis promastigotes were incubated with medium alone or treated with dry, alcoholic, or glycolic propolis extract (10, 50, or 100 μg/mL) for 96 h. Our data showed that all extracts exhibited a dose-dependent effect on the viability of L. (V) braziliensis promastigotes, while controlling the parasite burden inside infected macrophages. Dry propolis extract significantly modified the inflammatory profile of murine macrophages by downmodulating TGF-β and IL-10 production, while upmodulating TNF-α. All three types of propolis extract were found to reduce nitric oxide and superoxide levels in activated L. braziliensis-infected macrophages. Altogether, our results showed that propolis extracts exhibited a leishmanicidal effect against both stages of L. (V) braziliensis. The low cell toxicity and efficient microbicidal effect of alcoholic or glycolic propolis extracts make them candidates to an additive treatment for cutaneous leishmaniasis.
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Waller SB, Peter CM, Hoffmann JF, Picoli T, Osório LDG, Chaves F, Zani JL, de Faria RO, de Mello JRB, Meireles MCA. Chemical and cytotoxic analyses of brown Brazilian propolis (Apis mellifera) and its in vitro activity against itraconazole-resistant Sporothrix brasiliensis. Microb Pathog 2017; 105:117-121. [PMID: 28219829 DOI: 10.1016/j.micpath.2017.02.022] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Revised: 01/19/2017] [Accepted: 02/14/2017] [Indexed: 01/12/2023]
Abstract
This study aimed to evaluate the chemical composition and cytotoxic activity of brown Brazilian propolis and its in vitro activity against itraconazole-resistant Sporothrix brasiliensis from animal sporotrichosis. Propolis was acquired commercially and prepared as a hydroalcoholic extract. Chemical analysis was evaluated by liquid chromatography coupled to mass spectrometry of ultra-efficiency. The cell viability was evaluated by MTT test in MDBK cells of 50 to 0.09 μg/mL. For antifungal tests, twenty isolates of Sporothrix brasiliensis from dogs (n = 11) and cats (n = 9) with sporotrichosis were tested to itraconazole (16-0.0313 μg/mL) and to propolis (3.125-0.09 mg/mL) by broth microdilution technique (CLSI M38-A2), adapted to natural products. The results were expressed in minimal inhibitory concentration (MIC) and minimal fungicidal concentration (MFC). Itraconazole showed activity between MIC values of 0.25 to greater than 16 μg/mL, and 88.9% (08/09) and 72.7% (08/11) of S. brasiliensis from cats and dogs, respectively, were considered itraconazole-resistant. All Sporothrix brasiliensis were sensitive to brown propolis between MIC values of 0.19-1.56 mg/mL, including the itraconazole-resistant isolates, whereas the MFC values of propolis were from 0.78 to greater than 3.125 mg/mL. Propolis maintained a medium to high cell viability between concentration of 0.78 to 0.09 μg/mL, and p-coumaric acid was the major compound. Brown Brazilian propolis is a promising antifungal candidate against sporotrichosis and more studies need to be undertaken to evaluate its safe use to understand its efficacy.
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Affiliation(s)
- Stefanie B Waller
- Centro de Diagnóstico e Pesquisa em Micologia Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brazil.
| | - Cristina M Peter
- Laboratório de Bacteriologia e Saúde Populacional, Universidade Federal de Pelotas, Pelotas, RS, Brazil.
| | - Jéssica F Hoffmann
- Laboratório Cromatografia e Espectrometria de Massas, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Tony Picoli
- Laboratório de Bacteriologia e Saúde Populacional, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Luiza da G Osório
- Centro de Diagnóstico e Pesquisa em Micologia Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Fábio Chaves
- Laboratório Cromatografia e Espectrometria de Massas, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - João L Zani
- Laboratório de Bacteriologia e Saúde Populacional, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Renata O de Faria
- Centro de Diagnóstico e Pesquisa em Micologia Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - João R B de Mello
- Departamento de Farmacologia, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Mário C A Meireles
- Centro de Diagnóstico e Pesquisa em Micologia Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brazil
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Antibiofilm and Antioxidant Activity of Propolis and Bud Poplar Resins versus Pseudomonas aeruginosa. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017; 2017:5163575. [PMID: 28127379 PMCID: PMC5239991 DOI: 10.1155/2017/5163575] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Revised: 11/25/2016] [Accepted: 12/05/2016] [Indexed: 01/11/2023]
Abstract
Pseudomonas aeruginosa is a common biofilm-forming bacterial pathogen implicated in lung, skin, and systemic infections. Biofilms are majorly associated with chronic lung infection, which is the most severe complication in cystic fibrosis patients characterized by drug-resistant biofilms in the bronchial mucus with zones, where reactive oxygen species concentration is increased mainly due to neutrophil activity. Aim of this work is to verify the anti-Pseudomonas property of propolis or bud poplar resins extracts. The antimicrobial activity of propolis and bud poplar resins extracts was determined by MIC and biofilm quantification. Moreover, we tested the antioxidant activity by DPPH and neutrophil oxidative burst assays. In the end, both propolis and bud poplar resins extracts were able to inhibit P. aeruginosa biofilm formation and to influence both swimming and swarming motility. Moreover, the extracts could inhibit proinflammatory cytokine production by human PBMC and showed both direct and indirect antioxidant activity. This work is the first to demonstrate that propolis and bud poplar resins extracts can influence biofilm formation of P. aeruginosa contrasting the inflammation and the oxidation state typical of chronic infection suggesting that propolis or bud poplar resins can be used along with antibiotic as adjuvant in the therapy against P. aeruginosa infections related to biofilm.
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17
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Aro AO, Dzoyem JP, Eloff JN, McGaw LJ. Extracts of six Rubiaceae species combined with rifampicin have good in vitro synergistic antimycobacterial activity and good anti-inflammatory and antioxidant activities. Altern Ther Health Med 2016; 16:385. [PMID: 27716160 PMCID: PMC5048625 DOI: 10.1186/s12906-016-1355-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Accepted: 09/09/2016] [Indexed: 11/11/2022]
Abstract
Background The Rubiaceae family has played a significant role in drug discovery by providing molecules with potential use as templates for the development of therapeutic drugs. This study was designed to study the in vitro synergistic effect of six Rubiaceae species in combination with a known anti-TB drug. The antioxidant and anti-inflammatory activity of these species were also evaluated to investigate additional benefits in antimycobacterial treatment. Methods The checkerboard method was used to determine the antimycobacterial synergistic activity of plant extracts combined with rifampicin. The antioxidant activity of extracts was determined by the 2,2-diphenyl-1-picrylhydrazyl (DPPH) method. Anti-inflammatory activity via inhibition of nitric oxide (NO) production was performed in LPS-activated RAW 264.7 macrophages using the Griess assay. Results Combination of rifampicin with the crude extracts resulted in a 4 to 256-fold increase of activity of extracts. The crude extract of Cremaspora triflora produced the best synergistic effect with rifampicin, with a fractional inhibitory concentration (FIC) index of 0.08 against Mycobacterium aurum. Extracts of Psychotria zombamontana had the best antioxidant activity with an IC50 value of 1.77 μg/mL, lower than the IC50 of trolox and ascorbic acid (5.67 μg/mL and 4.66 μg/mL respectively). All the extracts tested inhibited nitric oxide (NO) production in a concentration dependent manner with the percentage of inhibition varying from 6.73 to 86.27 %. Conclusion Some of the Rubiaceae species investigated have substantial in vitro synergistic effects with rifampicin and also good free radical scavenging ability and anti-inflammatory activity. These preliminary results warrant further study on these plants to determine if compounds isolated from these species could lead to the development of bioactive compounds that can potentiate the activity of rifampicin even against resistant mycobacteria.
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Tazawa S, Arai Y, Hotta S, Mitsui T, Nozaki H, Ichihara K. Discovery of a Novel Diterpene in Brown Propolis from the State of Parana, Brazil. Nat Prod Commun 2016. [DOI: 10.1177/1934578x1601100218] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Propolis is a resinous substance collected by honeybees from certain plant sources. The components of propolis depend on the vegetation of the area in which apiculture is practiced. In Brazil, there are several types of propolis including ‘green,’ ‘red’ and ‘brown'. Brazilian brown propolis from the state of Parana characteristically includes diterpenes, and we discovered a novel clerodane diterpene, rel-(5 S,6 S,8 R,9 R,10 S,18 R,19 S)-18,19-epoxy-2-oxocleroda-3,12( E),14-triene-6,18,19-triol 18,19-diacetate 6-benzoate (3) and five known diterpenes (1, 2, 4, 5 and 6). The chemical structure of the novel diterpene 3 was determined using 1D- and 2D-NMR spectroscopic analyses. Furthermore, the activities of the isolated diterpenes on growth inhibition of several human cancer cell lines (LNCaP, MCF-7, DLD-1 and A549) were evaluated in vitro; diterpene 3 exhibited a potent inhibition of cell growth, and its activity was approximately 15 times higher than that of the other diterpenes.
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Affiliation(s)
- Shigemi Tazawa
- Nagaragawa Research Center, API Co., Ltd., 692–3 Nagara, Gifu 502-0071, Japan
| | - Yasuko Arai
- Nagaragawa Research Center, API Co., Ltd., 692–3 Nagara, Gifu 502-0071, Japan
| | - Sho Hotta
- Nagaragawa Research Center, API Co., Ltd., 692–3 Nagara, Gifu 502-0071, Japan
| | - Taichi Mitsui
- Nagaragawa Research Center, API Co., Ltd., 692–3 Nagara, Gifu 502-0071, Japan
- Department of Biological Chemistry, Faculty of Science, Okayama University of Science, 1–1 Ridai-cho, Kita-ku, Okayama 700-0005, Japan
| | - Hiroshi Nozaki
- Department of Biological Chemistry, Faculty of Science, Okayama University of Science, 1–1 Ridai-cho, Kita-ku, Okayama 700-0005, Japan
| | - Kenji Ichihara
- Nagaragawa Research Center, API Co., Ltd., 692–3 Nagara, Gifu 502-0071, Japan
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Fernandes FH, da R. Guterres Z, Violante IM, Lopes TF, Garcez WS, Garcez FR. Evaluation of mutagenic and antimicrobial properties of brown propolis essential oil from the Brazilian Cerrado biome. Toxicol Rep 2015; 2:1482-1488. [PMID: 28962491 PMCID: PMC5598219 DOI: 10.1016/j.toxrep.2015.11.007] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Revised: 10/23/2015] [Accepted: 11/15/2015] [Indexed: 01/21/2023] Open
Abstract
Biological, and particularly antimicrobial, activities have been demonstrated for the essential oil of propolis samples worlwide, yet their mutagenic effects remain unknown. To correlate antimicrobial effects with mutagenic risks, the present study evaluated the antifungal and antibacterial activities of the essential oil obtained from brown propolis collected from the Cerrado biome in Midwest Brazil (EOP), testing it against nine pathogenic microorganisms. Evaluation of mutagenic potential was based on the somatic mutation and recombination test (SMART) performed on wing cells of standard (ST) and high-bioactivation (HB) crosses of Drosophila melanogaster. EOP was extracted by hydrodistillation, and sesquiterpenes were characterized by GCMS as its major constituents. The crude oil proved active against Cryptococcus neoformans and Enterococcus faecalis, as did two of its major constituents, spathulenol and (E)-nerolidol the latter being also active against Staphylococcus aureus isolated using chromatographic procedures. No significant increase in the number of somatic mutations was observed in the offspring of ST or HB crosses the latter exhibiting enhanced levels of metabolizing enzymes of the cytochrome P450 type treated with 0.05%, 0.1%, and 0.2% EOP. These findings revealed no mutagenic activity of EOP, even when tested against the HB strain, and demonstrated that its antimicrobial activities are not associated with DNA damage induction (investigated with SMART), suggesting the potential of EOP as a natural preservative.
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Affiliation(s)
- Fábio H. Fernandes
- Instituto de Química, Universidade Federal de Mato Grosso do Sul, Av. Senador Filinto Muller 1555, Campo Grande, MS 79074-460, Brazil
| | - Zaira da R. Guterres
- Universidade Estadual de Mato Grosso do Sul, Unidade Universitária de Mundo Novo, BR163, km 202, Mundo Novo, MS 79980-000, Brazil
| | - Ivana M.P. Violante
- Departamento de Farmácia, Universidade de Cuiabá, Av. Beira Rio 3100, Cuiabá, MT 78015-480, Brazil
| | - Tiago F.S. Lopes
- Universidade Estadual de Mato Grosso do Sul, Unidade Universitária de Mundo Novo, BR163, km 202, Mundo Novo, MS 79980-000, Brazil
| | - Walmir S. Garcez
- Instituto de Química, Universidade Federal de Mato Grosso do Sul, Av. Senador Filinto Muller 1555, Campo Grande, MS 79074-460, Brazil
| | - Fernanda R. Garcez
- Instituto de Química, Universidade Federal de Mato Grosso do Sul, Av. Senador Filinto Muller 1555, Campo Grande, MS 79074-460, Brazil
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Antimicrobial, Antioxidant, Anti-Inflammatory, and Cytotoxic Activities of Propolis from the Stingless Bee Tetragonisca fiebrigi (Jataí). EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2015; 2015:296186. [PMID: 26185516 PMCID: PMC4491730 DOI: 10.1155/2015/296186] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2015] [Revised: 06/03/2015] [Accepted: 06/03/2015] [Indexed: 12/19/2022]
Abstract
Propolis from stingless bees Tetragonisca fiebrigi found in Brazil is used in folk medicine by their nutritional and therapeutic properties. However, there are no scientific records evidencing such properties. The present study was designed to investigate the chemical composition and the biological properties of propolis from T. fiebrigi. For this, the chemical composition of the ethanol extract of propolis (EEP) was determined by GC-MS and presented phenolic compounds, alcohol, and terpenes as its major class compounds. The antimicrobial activity was accessed in gram-positive and gram-negative bacteria and in fungi, isolated from different biological fluids and reference strains. The EEP was active against all microorganisms and showed antioxidant activity by scavenging free radicals, inhibiting hemolysis and lipid peroxidation in human erythrocytes incubated with an oxidizing agent. The anti-inflammatory potential of the EEP was confirmed by inhibition of the hyaluronidase enzyme. The cytotoxic activity was concentration-dependent against K562 cells, with a predominance of death by necrosis. Taken together, these results show that propolis from T. fiebrigi has important therapeutic activities, which suggest its potential application in the pharmaceutical industry, as well as in health foods, beverages, and nutritional supplements.
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Grenho L, Barros J, Ferreira C, Santos VR, Monteiro FJ, Ferraz MP, Cortes ME. In vitroantimicrobial activity and biocompatibility of propolis containing nanohydroxyapatite. Biomed Mater 2015; 10:025004. [DOI: 10.1088/1748-6041/10/2/025004] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Effective control of Salmonella infections by employing combinations of recombinant antimicrobial human β-defensins hBD-1 and hBD-2. Antimicrob Agents Chemother 2014; 58:6896-903. [PMID: 25199778 DOI: 10.1128/aac.03628-14] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
We successfully produced two human β-defensins (hBD-1 and hBD-2) in bacteria as functional peptides and tested their antibacterial activities against Salmonella enterica serovar Typhi, Escherichia coli, and Staphylococcus aureus employing both spectroscopic and viable CFU count methods. Purified peptides showed approximately 50% inhibition of the bacterial population when used individually and up to 90% when used in combination. The 50% lethal doses (LD50) of hBD-1 against S. Typhi, E. coli, and S. aureus were 0.36, 0.40, and 0.69 μg/μl, respectively, while those for hBD-2 against the same bacteria were 0.38, 0.36, and 0.66 μg/μl, respectively. Moreover, we observed that bacterium-derived antimicrobial peptides were also effective in increasing survival time and decreasing bacterial loads in the peritoneal fluid, liver, and spleen of a mouse intraperitoneally infected with S. Typhi. The 1:1 hBD-1/hBD-2 combination showed maximum effectiveness in challenging the Salmonella infection in vitro and in vivo. We also observed less tissue damage and sepsis formation in the livers of infected mice after treatment with hBD-1 and hBD-2 peptides individually or in combination. Based on these findings, we conclude that bacterium-derived recombinant β-defensins (hBD-1 and hBD-2) are promising antimicrobial peptide (AMP)-based substances for the development of new therapeutics against typhoid fever.
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Ishiai S, Tahara W, Yamamoto E, Yamamoto R, Nagai K. Histone deacetylase inhibitory effect of Brazilian propolis and its association with the antitumor effect in Neuro2a cells. Food Sci Nutr 2014; 2:565-70. [PMID: 25473514 PMCID: PMC4237486 DOI: 10.1002/fsn3.131] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2013] [Revised: 03/27/2014] [Accepted: 04/29/2014] [Indexed: 11/07/2022] Open
Abstract
Propolis is a resinous product produced by honey bees and is known to have antitumor functions. On the other hand, histone deacetylase (Hdac) inhibitors have recently attracted attention for their antitumor effects. In this study, we examined whether Brazilian green propolis has an Hdac inhibitory activity and its contribution on antitumor effects. By in vitro Hdac activity assay, Brazilian propolis extract (BPE) significantly inhibited the enzyme activity. Actually, BPE treatment increased the intracellular histone acetylation in Neuro2a cells. Regarding antitumor effect in Neuro2a cells, BPE treatment significantly decreased cell viability. An Hdac activator theophylline significantly attenuated the effect. Then, we analyzed whether the decreasing effect on cell number was caused by cell death or growth retardation. By live/dead cell staining, BPE treatment significantly increased the dead cell number. By cell cycle analysis, BPE treatment retarded cell cycle at the M-phase. Both of these cellular effects were suppressed by addition of theophylline. These data indicate that BPE induced both cell death and growth retardation via Hdac inhibitory activity. We demonstrated that Brazilian propolis bears regulatory functions on histone acetylation via Hdac inhibition, and the effect contributes antitumor functions. Our data suggest that intake of Brazilian propolis shows preventing effects against cancer.
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Affiliation(s)
- Shinobu Ishiai
- Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi Chuo-shi, Yamanashi, Japan ; Nihon Natural Foods Co., Ltd. Tokyo, Japan
| | | | | | | | - Kaoru Nagai
- Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi Chuo-shi, Yamanashi, Japan
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Synergistic effect and antiquorum sensing activity of Nymphaea tetragona (water lily) extract. BIOMED RESEARCH INTERNATIONAL 2014; 2014:562173. [PMID: 24895589 PMCID: PMC4033391 DOI: 10.1155/2014/562173] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2014] [Accepted: 04/01/2014] [Indexed: 11/18/2022]
Abstract
Salmonellosis is a common and widely distributed food borne disease where Salmonella typhimurium is one of the most important etiologic agents. The purpose of this study was to investigate the antimicrobial activity of Nymphaea tetragona alone and in combination with antibiotics against S. typhimurium. It also aimed to assess the plant for quorum sensing inhibition (QSI) activity and to identify the bioactive compounds. The antibacterial activities of the extract were assessed using broth microdilution method. Disk agar diffusion method was employed to determine the QSI and bioactive compounds were identified by GC-MS analysis. Ethyl acetate fraction of N. tetragona extract (EFNTE) demonstrated good antimicrobial activity (MIC 781 μg/mL) against 4 strains out of 5. FIC index ranged from 0.375 to 1.031 between EFNTE/tylosin and 0.515 to 1.250 between EFNTE/streptomycin against S. typhimurium. Among all extracts, EFNTE and butanol fraction more significantly inhibited pigment production of C. violaceum. Polyphenols were identified as major compound of EFNTE and butanol fraction. These results indicate that combination among N. tetragona extract and antibiotics could be useful to combat drug-resistance Salmonella infections and polyphenols are promising new components from N. tetragona that warrant further investigation as a candidate anti-Salmonella agent and quorum sensing inhibitor.
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Hongal S, Torwane NA, Goel P, Chandrashekar B. The effect of 30% ethanolic extract of Indian propolis on replica of human dentin compared against commercially available desensitizing agent: A methodological SEM study in vitro. Pharmacognosy Res 2014; 6:113-9. [PMID: 24761114 PMCID: PMC3996746 DOI: 10.4103/0974-8490.129026] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2013] [Revised: 11/21/2013] [Accepted: 03/18/2014] [Indexed: 11/17/2022] Open
Abstract
Objective: This study evaluated the ability of 30% ethanolic extract of Indian propolis on dentinal tubule occlusion comparatively against CPP-ACP containing desensitizing agent GC tooth mousse. Methodology: The specimens were prepared from 30 freshly extracted sound human third molars stored in 10% formalin (pH 7.0) at a room temperature. From each specimen, a sectioned sample (5 mm length × 5 mm width × 3.5 mm depth) was obtained including the cervical area. Samples were smoothened and wet-polished with 1000- and 1200-grit aluminum oxide abrasive paper and diamond pastes, in order to stimulate the clinical aspect of hypersensitive dentin cervical surfaces. All the specimens were randomly assigned to three groups (n = 10), according to dentin surface treatments. Negative control: Untreated specimens (n = 4) and pretreated with 6% citric acid (n = 6); Test Group: 30% ethanolic extract of Indian propolis (n = 10); Positive Group: GC Tooth Mousse (n =10). All the specimens were prepared for SEM analysis. Results: GC tooth mousse promoted tubule occlusion by crystal-like deposits in the lumen of the tubules. While propolis created a thin, smooth layer over dentin surface. Conclusion: According to the SEM analysis, both desensitizing agent were able to occlude the dentinal tubules.
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Affiliation(s)
- Sudhir Hongal
- Department of Public Health Dentistry, People's Dental Academy, People's University, Bhopal, Madhya Pradesh, India
| | - Nilesh Arjun Torwane
- Department of Public Health Dentistry, People's Dental Academy, People's University, Bhopal, Madhya Pradesh, India
| | - Pankaj Goel
- Department of Public Health Dentistry, People's Dental Academy, People's University, Bhopal, Madhya Pradesh, India
| | - Byarakele Chandrashekar
- Department of Public Health Dentistry, People's Dental Academy, People's University, Bhopal, Madhya Pradesh, India
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Polyphenols as key players for the antileukaemic effects of propolis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2014; 2014:371730. [PMID: 24772179 PMCID: PMC3977507 DOI: 10.1155/2014/371730] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/10/2013] [Revised: 01/24/2014] [Accepted: 02/05/2014] [Indexed: 12/15/2022]
Abstract
Propolis (a bee product) which has a long history of medicinal use by humans has attracted a great deal of research interest in the recent time; this is due to its widely reported biological activities such as antiviral, antifungal, antibacterial, anti-inflammatory, antioxidant, and anticarcinogenic properties. Crude form of propolis and its phenolic contents have both been reported to exhibit antileukaemic effects in various leukaemia cell lines. The ability of the polyphenols found in propolis to arrest cell cycle and induce apoptosis and differentiation in addition to inhibition of cell growth and proliferation makes them promising antileukaemic agents, and hence, they are believed to be a key to the antileukaemic effects of propolis in different types of leukaemia. This paper reviews the molecular bases of antileukaemic activity of both crude propolis and individual polyphenols on various leukaemia cell lines, and it indicates that propolis has the potential to be used in both treatment and prevention of leukaemia. This however needs further evaluation by in vitro, in vivo, and epidemiological studies as well as clinical trials.
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Jastrzębska-Stojko Ż, Stojko R, Rzepecka-Stojko A, Kabała-Dzik A, Stojko J. Biological activity of propolis-honey balm in the treatment of experimentally-evoked burn wounds. Molecules 2013; 18:14397-413. [PMID: 24284491 PMCID: PMC6270475 DOI: 10.3390/molecules181114397] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2013] [Revised: 11/11/2013] [Accepted: 11/12/2013] [Indexed: 01/22/2023] Open
Abstract
Medicines of biogenic origin with micro-organic, regenerative and analgesic properties are becoming more and more significant in the treatment of burn wounds. These properties are found in apitherapeutics such as propolis and honey--products collected and processed by a honey bee. Their effect on the course of the healing processes is multidirectional. The aim of the study was a histopathological and biochemical analysis of the processes of scar formation in experimentally evoked burn wounds in white pigs treated with the 1% and 3% Sepropol balms containing standardized extracts of propolis and honey. The results were compared with the therapeutic effects obtained with dermazin cream (1% silver sulfadiazine). The level of collagen was determined in the wounds treated with 1% and 3% Sepropol and compared with the collagen level in healthy skin and wounds treated with dermazin. Granulation and regenerated epithelium formation times were compared, with the 3% Sepropol being by far the most effective. The 3% Sepropol also increased the collagen level to 116% with the control sub-groups scoring between 80% and 98%. The results show the healing process of burn wounds in pigs treated with the Sepropol balm starts earlier and has a faster course than the standard dermazin therapy.
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Affiliation(s)
- Żaneta Jastrzębska-Stojko
- Department of Anesthesiology and Intensive Care School of Medicine, Medical University of Silesia in Katowice, Medyków 14, 40-752 Katowice, Poland; E-Mail:
| | - Rafał Stojko
- Department of Women Health, School of Health Sciences, Medical University of Silesia in Katowice, Medyków 12, 40-752 Katowice, Poland
| | - Anna Rzepecka-Stojko
- Department of Pharmaceutical Chemistry, School of Pharmacy and Laboratory Medicine, Medical University of Silesia in Katowice, Jagiellońska 4, 41-200 Sosnowiec, Poland; E-Mail:
| | - Agata Kabała-Dzik
- Deparment of Pathology School of Pharmacy and Laboratory Medicine, Medical University of Silesia in Katowice, Ostrogórska 3, 41-200 Sosnowiec, Poland; E-Mail:
| | - Jerzy Stojko
- Department of Hygiene, Bioanalysis and Environmental Studies School of Pharmacy and Laboratory Medicine, Medical University of Silesia in Katowice, Kasztanowa 3A, 41-200 Sosnowiec, Poland; E-Mail:
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Identification of the cell targets important for propolis-induced cell death in Candida albicans. Fungal Genet Biol 2013; 60:74-86. [PMID: 23856128 DOI: 10.1016/j.fgb.2013.07.001] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2013] [Revised: 06/29/2013] [Accepted: 07/02/2013] [Indexed: 11/22/2022]
Abstract
Candida albicans is the most common fungal pathogen of humans, forming both commensal and opportunistic pathogenic interactions, causing a variety of skin and soft tissue infections in healthy people. In immunocompromised patients C. albicans can result in invasive, systemic infections that are associated with a high incidence of mortality. Propolis is a complex mixture of several resinous substances which are collected from plants by bees. Here, we demonstrated the fungicidal activity of propolis against all three morphogenetic types of C. albicans and that propolis-induced cell death was mediated via metacaspase and Ras signaling. To identify genes that were involved in propolis tolerance, we screened ~800 C. albicans homozygous deletion mutants for decreased tolerance to propolis. Fifty-one mutant strains were identified as being hypersensitive to propolis including seventeen genes involved in cell adhesion, biofilm formation, filamentous growth, phenotypic switching and pathogenesis (HST7, GIN4, VPS34, HOG1, ISW2, SUV3, MDS3, HDA2, KAR3, YHB1, NUP85, CDC10, MNN9, ACE2, FKH2, and SNF5). We validated these results by showing that propolis inhibited the transition from yeast-like to hyphal growth. Propolis was shown to contain compounds that conferred fluorescent properties to C. albicans cells. Moreover, we have shown that a topical pharmaceutical preparation, based upon propolis, was able to control C. albicans infections in a mouse model for vulvovaginal candidiasis. Our results strongly indicate that propolis could be used as a strategy for controlling candidiasis.
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Important developments in romanian propolis research. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 2013:159392. [PMID: 23818918 PMCID: PMC3683436 DOI: 10.1155/2013/159392] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2013] [Revised: 05/08/2013] [Accepted: 05/16/2013] [Indexed: 11/24/2022]
Abstract
The most important developments in propolis analysis and pharmacological properties are discussed. In order to help in the Romanian propolis standardization, different methodologies for chemical composition analysis (UV-VIS, HP-TLC, and HPLC-DAD) are reviewed using new approaches and software (fuzzy divisive hierarchical clustering approach and ChromQuest software) and compared with international studies made until now in propolis research. Practical applications of Romanian propolis in medicinal therapy and cosmetics are reviewed, and quality criteria for further standardization are proposed.
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Toreti VC, Sato HH, Pastore GM, Park YK. Recent progress of propolis for its biological and chemical compositions and its botanical origin. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2013; 2013:697390. [PMID: 23737843 PMCID: PMC3657397 DOI: 10.1155/2013/697390] [Citation(s) in RCA: 208] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2013] [Accepted: 03/12/2013] [Indexed: 01/07/2023]
Abstract
Propolis is the generic name given to the product obtained from resinous substances, which is gummy and balsamic and which is collected by bees from flowers, buds, and exudates of plants. It is a popular folk medicine possessing a broad spectrum of biological activities. These biological properties are related to its chemical composition and more specifically to the phenolic compounds that vary in their structure and concentration depending on the region of production, availability of sources to collect plant resins, genetic variability of the queen bee, the technique used for production, and the season in which propolis is produced. Many scientific articles are published every year in different international journal, and several groups of researchers have focused their attention on the chemical compounds and biological activity of propolis. This paper presents a review on the publications on propolis and patents of applications and biological constituents of propolis.
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Affiliation(s)
- Viviane Cristina Toreti
- Department of Food Science, College of Food Engineering, State University of Campinas, Monteiro Lobato Street n.80, P.O. Box 6177, 13083-862 Campinas, SP, Brazil
| | - Helia Harumi Sato
- Department of Food Science, College of Food Engineering, State University of Campinas, Monteiro Lobato Street n.80, P.O. Box 6177, 13083-862 Campinas, SP, Brazil
| | - Glaucia Maria Pastore
- Department of Food Science, College of Food Engineering, State University of Campinas, Monteiro Lobato Street n.80, P.O. Box 6177, 13083-862 Campinas, SP, Brazil
| | - Yong Kun Park
- Department of Food Science, College of Food Engineering, State University of Campinas, Monteiro Lobato Street n.80, P.O. Box 6177, 13083-862 Campinas, SP, Brazil
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Kumar RS, Moorthy K, Vinodhini R, Punitha T. Antimicrobial efficacy and phytochemical analysis of Indigofera trita Linn. AFRICAN JOURNAL OF TRADITIONAL, COMPLEMENTARY, AND ALTERNATIVE MEDICINES : AJTCAM 2013; 10:518-525. [PMID: 24146483 PMCID: PMC3777595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
An in vitro antimicrobial activity and phytochemical analysis of various extracts of Indigofera trita L. viz. petroleum ether, chloroform, acetone, ethanol and aqueous extracts were carried out. A total of 21 microorganisms (19 bacteria and 2 fungal strains) were used for antimicrobial activity by disc diffusion method and a standard procedure was used to identify the phytochemical constituents. Petroleum ether extract showed moderate inhibitory activity against Staphylococcus aureus (14.40 mm), S. epidermidis (14.20 mm), Salmonella paratyphi A (12.80 mm), Streptococcus mutans (12.20 mm), Escherichia coli, Proteus vulgaris, S. typhi and Burkholderia cepacia (12.00 mm). The chloroform extract also showed antimicrobial activity against S. epidermidis (14.20 mm), S. typhimurium (12.60 mm), S. paratyphi A, S. brunei and Yersinia enterocolitica (12.00 mm). The acetone extract of I. trita showed considerable inhibitory activity against S. epidermidis (18.20 mm), S. typhimurium (14.60 mm), S. infantis (13.80 mm), S. aureus (13.40 mm), Y. enterocolitica (13.00 mm) and Enterobacter aerogenes (12.00 mm) were documented. Ethanol extract showed significant antimicrobial activity against S. epidermidis (18.60 mm), S. paratyphi A (14.60 mm), Y. enterocolitica (13.40 mm), S. typhi (12.40 mm), S. aureus, E. aerogenes, S. typhimurium and S. infantis (12.00 mm). Aqueous extract of I. trita considerably inhibited S. epidermidis (13.80 mm), S. paratyphi A and Y. enterocolitica (12.20 mm), E. aerogenes and Haemophilus parahaemolyticus (12.00 mm). All the five extracts showed a minimal antifungal activity when compared to antibacterial activity. The result revealed that the antimicrobial properties of I. trita might be associated with the presence of phenolic compounds, flavonoids, tannins, glycosides, saponins, phytosterols and alkaloids.
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Affiliation(s)
- Raju Senthil Kumar
- Department of Pharmaceutical Chemistry, Swamy Vivekanandha College of Pharmacy, Elayampalayam, Tiruchengode, Namakkal - 637 205, Tamil Nadu, India
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Emerging roles of propolis: antioxidant, cardioprotective, and antiangiogenic actions. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 2013:175135. [PMID: 23662115 PMCID: PMC3638596 DOI: 10.1155/2013/175135] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2013] [Revised: 03/19/2013] [Accepted: 03/20/2013] [Indexed: 12/29/2022]
Abstract
Propolis has attracted attention in recent years due to its beneficial effects, which make it a potential preventive and therapeutic agent as well as a useful additive in food and cosmetics. The aim of this review is to discuss the growing evidence that propolis may, via a diverse array of biological actions, assist in the prevention of some inflammation-mediated pathologies including cardiovascular disease. The active components of propolis that have been identified so far include polyphenols and flavonoids. These compounds have cardioprotective, vasoprotective, antioxidant, antiatherosclerotic, anti-inflammatory and antiangiogenic actions. Many studies have been undertaken to elucidate the mechanism(s) by which propolis acts, which involve cellular signaling targets and interactions at the genomic level. This review will highlight the effects of propolis that may assist in the prevention of chronic degenerative diseases, such as cardiovascular disease.
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Cargnin ST, Vieira PDB, Cibulski S, Cassel E, Vargas RMF, Montanha J, Roehe P, Tasca T, von Poser GL. Anti-Trichomonas vaginalis activity of Hypericum polyanthemum extract obtained by supercritical fluid extraction and isolated compounds. Parasitol Int 2013; 62:112-7. [DOI: 10.1016/j.parint.2012.10.006] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2012] [Revised: 09/28/2012] [Accepted: 10/07/2012] [Indexed: 11/28/2022]
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Orrego Escobar EF. Plant-derived antibacterial agents: Latin American ethnopharmacology reinvented. Medwave 2013. [DOI: 10.5867/medwave.2013.02.5630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Brazilian propolis: a natural product that improved the fungicidal activity by blood phagocytes. BIOMED RESEARCH INTERNATIONAL 2012; 2013:541018. [PMID: 23509737 PMCID: PMC3591169 DOI: 10.1155/2013/541018] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2012] [Revised: 10/22/2012] [Accepted: 10/22/2012] [Indexed: 12/28/2022]
Abstract
Natural product incorporation into microcarriers increases the bioavailability of these compounds, consequently improving their therapeutic properties. Natural products, particularly those from bees such as propolis, are widely used in popular medicine. Propolis is a powerful treatment for several diseases. In this context, the present study evaluated the effect of propolis Scaptotrigona sp. and its fractions, alone or adsorbed to polyethylene glycol (PEG) microspheres, on the activity of human phagocytes against Candida albicans. The results show that propolis exerts a stimulatory effect on these cells to assist in combating the fungus, especially as the crude extract is compared with the fractions. However, when incorporated into microspheres, these properties were significantly potentiated. These results suggest that propolis adsorbed onto PEG microspheres has immunostimulatory effects on phagocytes in human blood. Therefore, propolis may potentially be an additional natural product that can be used for a variety of therapies.
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Monzote L, Cuesta-Rubio O, Campo Fernandez M, Márquez Hernandez I, Fraga J, Pérez K, Kerstens M, Maes L, Cos P. In vitro antimicrobial assessment of Cuban propolis extracts. Mem Inst Oswaldo Cruz 2012; 107:978-84. [DOI: 10.1590/s0074-02762012000800003] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2012] [Accepted: 07/18/2012] [Indexed: 11/22/2022] Open
Affiliation(s)
| | | | | | | | - Jorge Fraga
- Institute of Tropical Medicine Pedro Kouri, Cuba
| | - Kleich Pérez
- Institute of Tropical Medicine Pedro Kouri, Cuba
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de Castro PA, Savoldi M, Bonatto D, Malavazi I, Goldman MHS, Berretta AA, Goldman GH. Transcriptional profiling of Saccharomyces cerevisiae exposed to propolis. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2012; 12:194. [PMID: 23092287 PMCID: PMC3598864 DOI: 10.1186/1472-6882-12-194] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2012] [Accepted: 10/17/2012] [Indexed: 11/10/2022]
Abstract
BACKGROUND Propolis is a natural product of plant resins collected by honeybees (Apis mellifera) from various plant sources. Our previous studies indicated that propolis sensitivity is dependent on the mitochondrial function and that vacuolar acidification and autophagy are important for yeast cell death caused by propolis. Here, we extended our understanding of propolis-mediated cell death in the yeast Saccharomyces cerevisiae by applying systems biology tools to analyze the transcriptional profiling of cells exposed to propolis. METHODS We have used transcriptional profiling of S. cerevisiae exposed to propolis. We validated our findings by using real-time PCR of selected genes. Systems biology tools (physical protein-protein interaction [PPPI] network) were applied to analyse the propolis-induced transcriptional bevavior, aiming to identify which pathways are modulated by propolis in S. cerevisiae and potentially influencing cell death. RESULTS We were able to observe 1,339 genes modulated in at least one time point when compared to the reference time (propolis untreated samples) (t-test, p-value 0.01). Enrichment analysis performed by Gene Ontology (GO) Term finder tool showed enrichment for several biological categories among the genes up-regulated in the microarray hybridization such as transport and transmembrane transport and response to stress. Real-time RT-PCR analysis of selected genes showed by our microarray hybridization approach was capable of providing information about S. cerevisiae gene expression modulation with a considerably high level of confidence. Finally, a physical protein-protein (PPPI) network design and global topological analysis stressed the importance of these pathways in response of S. cerevisiae to propolis and were correlated with the transcriptional data obtained thorough the microarray analysis. CONCLUSIONS In summary, our data indicate that propolis is largely affecting several pathways in the eukaryotic cell. However, the most prominent pathways are related to oxidative stress, mitochondrial electron transport chain, vacuolar acidification, regulation of macroautophagy associated with protein target to vacuole, cellular response to starvation, and negative regulation of transcription from RNA polymerase II promoter. Our work emphasizes again the importance of S. cerevisiae as a model system to understand at molecular level the mechanism whereby propolis causes cell death in this organism at the concentration herein tested. Our study is the first one that investigates systematically by using functional genomics how propolis influences and modulates the mRNA abundance of an organism and may stimulate further work on the propolis-mediated cell death mechanisms in fungi.
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Fillat A, Gallardo O, Vidal T, Pastor F, Díaz P, Roncero M. Enzymatic grafting of natural phenols to flax fibres: Development of antimicrobial properties. Carbohydr Polym 2012; 87:146-152. [DOI: 10.1016/j.carbpol.2011.07.030] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2011] [Revised: 05/30/2011] [Accepted: 07/20/2011] [Indexed: 11/26/2022]
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Bactericidal activity of ethanolic extracts of propolis against Staphylococcus aureus isolated from mastitic cows. World J Microbiol Biotechnol 2011; 28:485-91. [PMID: 22806843 DOI: 10.1007/s11274-011-0839-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2011] [Accepted: 07/04/2011] [Indexed: 10/18/2022]
Abstract
Staphylococcus aureus is an important pathogen for both humans and animals, and it has been an ubiquitous etiological agent of bovine mastitis in dairy farms worldwide. Elimination of S. aureus with classic antibiotics is difficult, and the current study aimed to evaluate the efficacy of ethanolic extracts of propolis (EEP) against S. aureus cultivated in complex media or milk. EEP (0-0.5 mg ml(-1)) decreased growth of S. aureus in BHI media and 1 mg ml(-1) was bactericidal against washed cell suspensions (10(7) CFU ml(-1)). Propolis extracts also killed S. aureus cells resuspended in milk, but the bactericidal dose was at least 20-fold greater. Cultures that were transferred for at least 60 generations with sub-lethal doses of propolis did not change much their sensibility to EEP. Atomic force microscopy images revealed changes in morphology and cell size of S. aureus cells exposed to EEP (0.5 mg ml(-1)). Our results indicate that propolis extracts might be effective against mastitis-causing S. aureus strains in vivo, but milk constituents affect the inhibitory activity of propolis. Considering that propolis-resistance appears to be a phenotype not easily selected, the use of EEP combined or not with other antimicrobial agents might be useful for mastitis control in vivo.
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de Sousa JPB, Leite MF, Jorge RF, Resende DO, da Silva Filho AA, Furtado NAJC, Soares AEE, Spadaro ACC, de Magalhães PM, Bastos JK. Seasonality Role on the Phenolics from Cultivated Baccharis dracunculifolia. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2011; 2011:464289. [PMID: 19605554 PMCID: PMC3136527 DOI: 10.1093/ecam/nep077] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2009] [Accepted: 05/28/2009] [Indexed: 11/14/2022]
Abstract
Baccharis dracunculifolia is the source of Brazilian green propolis (BGP). Considering the broad spectrum of biological activities attributed to green proplis, B. dracunculifolia has a great potential for the development of new cosmetic and pharmaceutical products. In this work, the cultivation of 10 different populations of native B. dracunculifolia had been undertaken aiming to determine the role of seasonality on its phenolic compounds. For this purpose, fruits of this plant were collected from populations of 10 different regions, and 100 individuals of each population were cultivated in an experimental area of 1800 m2. With respect to cultivation, the yields of dry plant, essential oil and crude extract were measured monthly resulting in mean values of 399 ± 80 g, 0.6 ± 0.1% and 20 ± 4%, respectively. The HPLC analysis allowed detecting seven phenolic compounds: caffeic acid, ferulic acid, aromadendrin-4′-methyl ether (AME), isosakuranetin, artepillin C, baccharin and 2-dimethyl-6-carboxyethenyl-2H-1-benzopyran acid, which were the major ones throughout the 1-year monthly analysis. Caffeic acid was detected in all cultivated populations with mean of 4.0%. AME displayed the wide variation in relation to other compounds showing means values of 0.65 ± 0.13% at last quarter. Isosakuranetin and artepillin C showed increasing concentrations with values between 0% and 1.4% and 0% and 1.09%, respectively. The obtained results allow suggesting that the best time for harvesting this plant, in order to obtain good qualitative and quantitative results for these phenolic compounds, is between December and April.
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Affiliation(s)
- João Paulo B de Sousa
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Avenida do Café, s/n, 14040-903, Ribeirão Preto, Brazil
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Sawaya ACHF, Barbosa da Silva Cunha I, Marcucci MC. Analytical methods applied to diverse types of Brazilian propolis. Chem Cent J 2011; 5:27. [PMID: 21631940 PMCID: PMC3123264 DOI: 10.1186/1752-153x-5-27] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2011] [Accepted: 06/01/2011] [Indexed: 01/11/2023] Open
Abstract
Propolis is a bee product, composed mainly of plant resins and beeswax, therefore its chemical composition varies due to the geographic and plant origins of these resins, as well as the species of bee. Brazil is an important supplier of propolis on the world market and, although green colored propolis from the southeast is the most known and studied, several other types of propolis from Apis mellifera and native stingless bees (also called cerumen) can be found. Propolis is usually consumed as an extract, so the type of solvent and extractive procedures employed further affect its composition. Methods used for the extraction; analysis the percentage of resins, wax and insoluble material in crude propolis; determination of phenolic, flavonoid, amino acid and heavy metal contents are reviewed herein. Different chromatographic methods applied to the separation, identification and quantification of Brazilian propolis components and their relative strengths are discussed; as well as direct insertion mass spectrometry fingerprinting.Propolis has been used as a popular remedy for several centuries for a wide array of ailments. Its antimicrobial properties, present in propolis from different origins, have been extensively studied. But, more recently, anti-parasitic, anti-viral/immune stimulating, healing, anti-tumor, anti-inflammatory, antioxidant and analgesic activities of diverse types of Brazilian propolis have been evaluated. The most common methods employed and overviews of their relative results are presented.
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Sales-Peres SHDC, Carvalho FND, Marsicano JA, Mattos MC, Pereira JC, Forim MR, Silva MFDGFD. Effect of propolis gel on the in vitro reduction of dentin permeability. J Appl Oral Sci 2011; 19:318-23. [PMID: 21956588 PMCID: PMC4223781 DOI: 10.1590/s1678-77572011005000004] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2009] [Accepted: 05/25/2010] [Indexed: 12/03/2022] Open
Abstract
Objective The aim of this study was to evaluate the capacity of potassium oxalate,
fluoride gel and two kinds of propolis gel to reduce the hydraulic
conductance of dentin, in vitro. Material and Methods The methodology used for the measurement of hydraulic conductance of dentin
in the present study was based on a model proposed in literature. Thirty-six
1-mm-thick dentin discs, obtained from extracted human third molars were
divided into 4 groups (n=9). The groups corresponded to the following
experimental materials: GI-10% propolis gel, pH 4.1; GII-30% propolis gel;
GIII-3% potassium oxalate gel, pH 4,1; and GIV-1.23% fluoride gel, pH 4.1,
applied to the dentin under the following surface conditions: after 37%
phosphoric acid and before 6% citric acid application. The occluding
capacity of the dentin tubules was evaluated using scanning electron
microscopy (SEM) at ×500, ×1,000 and ×2,000 magnifications. Data were
analyzed statistically by two-way ANOVA and Tukey's test at 5% significance
level. Results Groups I, II, III, IV did not differ significantly from the others in any
conditions by reducing in hydraulic conductance. The active agents reduced
dentin permeability; however they produced the smallest reduction in
hydraulic conductance when compared to the presence of smear layer
(P<0.05). The effectiveness in reducing dentin permeability did not
differ significantly from 10% or 30% propolis gels. SEM micrographs revealed
that dentin tubules were partially occluded after treatment with propolis.
Conclusions Under the conditions of this study, the application of 10% and 30% propolis
gels did not seem to reduce the hydraulic conductance of dentin in
vitro, but it showed capacity of partially obliterating the
dentin tubules. Propolis is used in the treatment of different oral problems
without causing significant great collateral effects, and can be a good
option in the treatment of patients with dentin sensitivity.
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Abstract
AbstractPropolis has been used in traditional folk medicine for ages owing to a number of biological effects. Four propolis samples of Czech and one of Slovak origin were extracted using Soxhlet apparatus and analysed by thin-layer chromatography. Raw propolis samples and their extracts were tested by microdilution broth method to determine minimal inhibitory concentration (MIC) in eight strains of human pathogenic fungi. Raw propolis samples showed a lower in vitro antifungal activity than their extracts. In general, the petroleum ether extracts exhibited the highest in vitro antifungal activity (MIC range of 16–64 µg/ml). The content of flavonoids in the samples varied according to region. The highest amount of flavonoids was found in sample A that originated from Broumov (4%). The most susceptible to the propolis extracts were Trichophyton mentagrophytes and Candida albicans. The propolis samples of Czech and Slovak origin and their extracts showed a considerable in vitro antifungal effect which was associated especially with nonpolar petroleum ether and toluene extracts. There was only a partial correlation between flavonoids content and in vitro antifungal activity.
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de Moura SAL, Ferreira MAND, Andrade SP, Reis MLC, Noviello MDL, Cara DC. Brazilian green propolis inhibits inflammatory angiogenesis in a murine sponge model. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2011; 2011:182703. [PMID: 20007259 PMCID: PMC3094767 DOI: 10.1093/ecam/nep197] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2009] [Accepted: 10/31/2009] [Indexed: 01/26/2023]
Abstract
Angiogenesis and inflammation are persistent features of several pathological conditions. Propolis, a sticky material that honeybees collect from living plants, has been reported to have multiple biological effects including anti-inflammatory and anti-neoplasic activities. Here, we investigated the effects of water extract of green propolis (WEP) on angiogenesis, inflammatory cell accumulation and endogenous production of cytokines in sponge implants of mice over a 14-day period. Blood vessel formation as assessed by hemoglobin content and by morphometric analysis of the implants was reduced by WEP (500 mg kg(-1) orally) compared to the untreated group. The levels of vascular endothelial growth factor (VEGF) increased progressively in the treated group but decreased after Day 10 in the control group. Accumulation of neutrophils and macrophages was determined by measuring myeloperoxidase (MPO) and N-acetyl-β-(D)-glucosaminidase (NAG) activities, respectively. Neutrophil accumulation was unaffected by propolis, but NAG activity was reduced by the treatment at Day 14. The levels TGF-β1 intra-implant increased progressively in both groups but were higher (40%) at Day 14 in the control implants. The pro-inflammatory levels of TNF-α peaked at Day 7 in the control implants, and at Day 14 in the propolis-treated group. Our results indicate that the anti-inflammatory/anti-angiogenic effects of propolis are associated with cytokine modulation.
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Affiliation(s)
- Sandra Aparecida Lima de Moura
- Department of General Pathology, Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Mônica Alves Neves Diniz Ferreira
- Department of General Pathology, Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Silvia Passos Andrade
- Department of Physiology and Biophysics, Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Maria Leticia Costa Reis
- Department of General Pathology, Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Maria de Lourdes Noviello
- Department of General Pathology, Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Denise Carmona Cara
- Department of General Pathology, Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
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Dota KFD, Consolaro MEL, Svidzinski TIE, Bruschi ML. Antifungal Activity of Brazilian Propolis Microparticles against Yeasts Isolated from Vulvovaginal Candidiasis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2011; 2011:201953. [PMID: 21607012 PMCID: PMC3094883 DOI: 10.1093/ecam/neq029] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2009] [Accepted: 03/08/2010] [Indexed: 12/19/2022]
Abstract
Propolis, a resinous compound produced by Apis mellifera L. bees, is known to possess a variety of biological activities and is applied in the therapy of various infectious diseases. The aim of this study was to evaluate the in vitro antifungal activity of propolis ethanol extract (PE) and propolis microparticles (PMs) obtained from a sample of Brazilian propolis against clinical yeast isolates of importance in the vulvovaginal candidiasis (VVC). PE was used to prepare the microparticles. Yeast isolates (n = 89), obtained from vaginal exudates of patients with VVC, were exposed to the PE and the PMs. Moreover, the main antifungal drugs used in the treatment of VVC (Fluconazole, Voriconazole, Itraconazole, Ketoconazole, Miconazole and Amphotericin B) were also tested. Minimum inhibitory concentration (MIC) was determined according to the standard broth microdilution method. Some Candida albicans isolates showed resistance or dose-dependent susceptibility for the azolic drugs and Amphotericin B. Non-C. albicans isolates showed more resistance and dose-dependent susceptibility for the azolic drugs than C. albicans. However, all of them were sensitive or dose-dependent susceptible for Amphotericin B. All yeasts were inhibited by PE and PMs, with small variation, independent of the species of yeast. The overall results provided important information for the potential application of PMs in the therapy of VVC and the possible prevention of the occurrence of new symptomatic episodes.
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de Castro PA, Savoldi M, Bonatto D, Barros MH, Goldman MHS, Berretta AA, Goldman GH. Molecular characterization of propolis-induced cell death in Saccharomyces cerevisiae. EUKARYOTIC CELL 2011; 10:398-411. [PMID: 21193549 PMCID: PMC3067468 DOI: 10.1128/ec.00256-10] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2010] [Accepted: 12/21/2010] [Indexed: 02/06/2023]
Abstract
Propolis, a natural product of plant resins, is used by the bees to seal holes in their honeycombs and protect the hive entrance. However, propolis has also been used in folk medicine for centuries. Here, we apply the power of Saccharomyces cerevisiae as a model organism for studies of genetics, cell biology, and genomics to determine how propolis affects fungi at the cellular level. Propolis is able to induce an apoptosis cell death response. However, increased exposure to propolis provides a corresponding increase in the necrosis response. We showed that cytochrome c but not endonuclease G (Nuc1p) is involved in propolis-mediated cell death in S. cerevisiae. We also observed that the metacaspase YCA1 gene is important for propolis-mediated cell death. To elucidate the gene functions that may be required for propolis sensitivity in eukaryotes, the full collection of about 4,800 haploid S. cerevisiae deletion strains was screened for propolis sensitivity. We were able to identify 138 deletion strains that have different degrees of propolis sensitivity compared to the corresponding wild-type strains. Systems biology revealed enrichment for genes involved in the mitochondrial electron transport chain, vacuolar acidification, negative regulation of transcription from RNA polymerase II promoter, regulation of macroautophagy associated with protein targeting to vacuoles, and cellular response to starvation. Validation studies indicated that propolis sensitivity is dependent on the mitochondrial function and that vacuolar acidification and autophagy are important for yeast cell death caused by propolis.
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Affiliation(s)
| | | | - Diego Bonatto
- Centro de Biotecnologia da UFRGS, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | | | - Maria Helena S. Goldman
- Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, São Paulo, Brazil
| | | | - Gustavo Henrique Goldman
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto
- Laboratório Nacional de Ciência e Tecnologia do Bioetanol, Caixa Postal 6170, 13083-970 Campinas, São Paulo, Brazil
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Moreira LL, Dias T, Dias LG, Rogão M, Da Silva JP, Estevinho LM. Propolis influence on erythrocyte membrane disorder (hereditary spherocytosis): A first approach. Food Chem Toxicol 2011; 49:520-6. [DOI: 10.1016/j.fct.2010.11.042] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2010] [Revised: 11/20/2010] [Accepted: 11/29/2010] [Indexed: 11/17/2022]
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Choi JG, Kang OH, Lee YS, Chae HS, Oh YC, Brice OO, Kim MS, Sohn DH, Kim HS, Park H, Shin DW, Rho JR, Kwon DY. In Vitro and In Vivo Antibacterial Activity of Punica granatum Peel Ethanol Extract against Salmonella. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2011; 2011:690518. [PMID: 19687188 PMCID: PMC3137154 DOI: 10.1093/ecam/nep105] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2008] [Accepted: 07/08/2009] [Indexed: 01/02/2023]
Abstract
Punica granatum is commonly used in Korea as a traditional medicine for the treatment of pathogenic bacteria. In this study, we investigated the in vitro and in vivo antimicrobial activity of P. granatum peel EtOH extract (PGPE) against 16 strains of Salmonella. The minimal inhibitory concentrations of PGPE were in the range of 62.5–1000 x03BCg mL−1. In addition, the in vivo antibacterial activity of the PGPE extract was examined in a S. typhimurium infection mouse model. Mice were initially infected with S. typhimurium and then with PGPE. The extract was found to have significant effects on mortality and the numbers of viable S. typhimurium recovered from feces. Although clinical signs and histological damage were rarely observed in the treated mice, the untreated controls showed signs of lethargy and histological damage in the liver and spleen. Taken together, the results of this study indicate that PGPE has the potential to provide an effective treatment for salmonellosis.
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Affiliation(s)
- Jang-Gi Choi
- College of Pharmacy and Wonkwang-Oriental Medicines Research Institute, Wonkwang University, Iksan, Jeonbuk, 570-749, Republic of Korea
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Kunimasa K, Ahn MR, Kobayashi T, Eguchi R, Kumazawa S, Fujimori Y, Nakano T, Nakayama T, Kaji K, Ohta T. Brazilian Propolis Suppresses Angiogenesis by Inducing Apoptosis in Tube-Forming Endothelial Cells through Inactivation of Survival Signal ERK1/2. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2010; 2011:870753. [PMID: 19351710 PMCID: PMC3137750 DOI: 10.1093/ecam/nep024] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2008] [Accepted: 03/03/2009] [Indexed: 12/27/2022]
Abstract
We recently reported that propolis suppresses tumor-induced angiogenesis through tube formation inhibition and apoptosis induction in endothelial cells. However, molecular mechanisms underlying such angiogenesis suppression by propolis have not been fully elucidated. The aim of this study was to investigate the effects of ethanol extract of Brazilian propolis (EEBP) on two major survival signals, extracellular signal-regulated kinase 1/2 (ERK1/2) and Akt, and to elucidate whether changes in these signals were actually involved in antiangiogenic effects of the propolis. Detection by western blotting revealed that EEBP suppressed phosphorylation of ERK1/2, but not that of Akt. Pharmacological inhibition by U0126 demonstrated that ERK1/2 inactivation alone was enough to inhibit tube formation and induce apoptosis. It was also shown that EEBP and U0126 similarly induced activation of caspase-3 and cleavage of poly ADP-ribose polymerase (PARP) and lamin A/C, all of which are molecular markers of apoptosis. These results indicate that inhibition of survival signal ERK1/2, and subsequent induction of apoptosis, is a critical mechanism of angiogenesis suppression by EEBP.
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Affiliation(s)
- Kazuhiro Kunimasa
- Graduate School of Nutritional and Environmental Sciences and Global COE Program, University of Shizuoka, Shizuoka 422-8526, Japan
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Duran N, Muz M, Culha G, Duran G, Ozer B. GC-MS analysis and antileishmanial activities of two Turkish propolis types. Parasitol Res 2010; 108:95-105. [DOI: 10.1007/s00436-010-2039-z] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2010] [Accepted: 08/26/2010] [Indexed: 11/29/2022]
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