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Yu W, Li X, Sun Q, Yi S, Zhang G, Chen L, Li Z, Li J, Luo L. Metabolomics and network pharmacology reveal the mechanism of Castanopsis honey against Streptococcus pyogenes. Food Chem 2024; 441:138388. [PMID: 38219368 DOI: 10.1016/j.foodchem.2024.138388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 12/26/2023] [Accepted: 01/05/2024] [Indexed: 01/16/2024]
Abstract
Streptococcus pyogenes (GAS) is one of the most virulent and infectious bacteria, severely threatening health and lives of people worldwide. Honey has been proven to have effective capability against GAS, but the underlying metabolites and mechanisms are still unclear. In this study, the Castanopsis honey (CH) showed significant antibacterial ability compared to other seven kinds of honey and artificial honey. Furthermore, the antibacterial metabolites and their targets in CH were screened by combined method of metabolomics, network pharmacology, and molecular docking. The results suggested that the activities of two antioxidant enzymes, glutathione peroxidase and tyrosyl tRNA synthetase identified as the primary targets, were significantly inhibited by CH, which significantly increased the level of oxidative stress in GAS. The results revealed a possibly novel mechanism regulating the oxidative stress and inhibits the growth in bacteria, providing strong experimental evidence to support the further development of CH as a novel antibacterial agent.
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Affiliation(s)
- Wenjie Yu
- Key Laboratory of Geriatric Nutrition and Health, (School of Food and Health, Beijing Technology and Business University), Ministry of Education, Beijing 100048, China
| | - Xiaohua Li
- School of Life Sciences, Nanchang University, Nanchang 330031 China
| | - Qifang Sun
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
| | - Shengxiang Yi
- School of Life Sciences, Nanchang University, Nanchang 330031 China
| | - Gaowei Zhang
- School of Life Sciences, Nanchang University, Nanchang 330031 China
| | - Lili Chen
- School of Life Sciences, Nanchang University, Nanchang 330031 China
| | - Zhuozhen Li
- Key Laboratory of Geriatric Nutrition and Health, (School of Food and Health, Beijing Technology and Business University), Ministry of Education, Beijing 100048, China
| | - Junru Li
- School of Life Sciences, Nanchang University, Nanchang 330031 China
| | - Liping Luo
- Key Laboratory of Geriatric Nutrition and Health, (School of Food and Health, Beijing Technology and Business University), Ministry of Education, Beijing 100048, China; School of Life Sciences, Nanchang University, Nanchang 330031 China; State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China.
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2
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Chen X, Lan W, Xie J. Natural phenolic compounds: Antimicrobial properties, antimicrobial mechanisms, and potential utilization in the preservation of aquatic products. Food Chem 2024; 440:138198. [PMID: 38128429 DOI: 10.1016/j.foodchem.2023.138198] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 11/23/2023] [Accepted: 12/10/2023] [Indexed: 12/23/2023]
Abstract
Natural antibacterials have stood out in the last decade due to the growing demand for reducing chemical preservatives in food. In particular, natural phenolic compounds are secondary metabolites produced by plants for numerous functions including antimicrobial defence. Polyphenol has significant antimicrobial activity, but its antimicrobial properties are affected by the cell structure difference of bacteria, the concentration, type, and extraction method of polyphenol, and the treatment time of bacteria exposed to polyphenol. Therefore, this paper analyzed the antibacterial activity and mechanism of polyphenol as an antimicrobial agent. However, there remained significant considerations, including the interaction of polyphenols and food matrix, environmental temperature, and the effect of color and odor of some polyphenols on sensory properties of aquatic products, and the additive amount of polyphenols. On this basis, the application strategies of polyphenols as the antimicrobial agent in aquatic products preservation were reviewed.
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Affiliation(s)
- Xuening Chen
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Weiqing Lan
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Shanghai Aquatic Products Processing and Storage Engineering Technology Research Center, Shanghai 201306, China; National Experimental Teaching Demonstration Center for Food Science and Engineering (Shanghai Ocean University), Shanghai 201306, China.
| | - Jing Xie
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Shanghai Aquatic Products Processing and Storage Engineering Technology Research Center, Shanghai 201306, China; National Experimental Teaching Demonstration Center for Food Science and Engineering (Shanghai Ocean University), Shanghai 201306, China.
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3
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Bilal B, Azim MK. Nematicidal activity of paucimannose-type glycoconjugates from acacia honey. Exp Parasitol 2024; 259:108707. [PMID: 38336095 DOI: 10.1016/j.exppara.2024.108707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 12/08/2023] [Accepted: 01/25/2024] [Indexed: 02/12/2024]
Abstract
Natural honey contains glycoconjugates as minor components. We characterized acacia honey glycoconjugates with molecular masses in the range of 2-5 kDa. The glycoconjugates were separated by RP-HPLC into three peaks (termed RP-2-5 k-I, RP-2-5 k-II, and RP-2-5 k-III) which demonstrated paralyzing effects on the model nematode C. elegans (ED50 of 50 ng glycoconjugates/μL). To examine molecular mechanisms underlying the nematicidal effects of honey glycoconjugates, expressional analyses of genes that are essential for the growth, development, reproduction, and movement of C. elegans were carried out. Quantitative PCR-based assays showed that these molecules moderately regulate the expression of genes involved in the citric acid cycle (mdh-1 and idhg-1) and cytoskeleton (act-1 and act-2). MALDI-ToF-MS/MS analysis of RP-HPLC peaks revealed the presence of paucimannose-like N-glycans which are known to play important roles in invertebrates e.g., worms and flies. These findings provided novel information regarding the structure and nematicidal function of honey glycoconjugates.
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Affiliation(s)
- Bushra Bilal
- Department of Biosciences, Mohammad Ali Jinnah University, Karachi, Pakistan; H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan.
| | - M Kamran Azim
- Department of Biosciences, Mohammad Ali Jinnah University, Karachi, Pakistan.
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4
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Yang X, Peng Z, He M, Li Z, Fu G, Li S, Zhang J. Screening, probiotic properties, and inhibition mechanism of a Lactobacillus antagonistic to Listeria monocytogenes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 906:167587. [PMID: 37797767 DOI: 10.1016/j.scitotenv.2023.167587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 10/01/2023] [Accepted: 10/02/2023] [Indexed: 10/07/2023]
Abstract
Listeria monocytogenes is one of the most lethal foodborne pathogens, and there is a lack of microorganisms that can strongly inhibit its growth. Safe lactic acid bacteria with probiotic and antibacterial properties are ideal sources of antagonistic bacteria. This study isolated a strain of Lactobacillus plantarum 4-10 that completely killed L. monocytogenes from northeastern Chinese sauerkraut. Probiotic characterization revealed broad-spectrum bacterial inhibition, antagonizing 16 Gram-positive, Gram-negative, and fungal species. After tolerance to simulated intestinal and gastric fluids, the survival rate was >45 %. L. plantarum 4-10 was sensitive to chloramphenicol, doxycycline, erythromycin, and tetracycline, and exhibited good hydrophobicity, auto-aggregation, and co-aggregation. It could disrupt the cell structure when co-cultured with L. monocytogenes and act as a lethal agent within 15 h. Through transcriptomic analysis and validation experiments, we found that L. plantarum 4-10 could inhibit the expression of L. monocytogenes membrane transport-related genes by producing bacteriocins, thus disrupting the cell membrane structure and inhibiting the growth, metabolic viability, and biofilm formation of L. monocytogenes in a short time. In conclusion, L. plantarum 4-10 has good probiotic properties and antibacterial effects and shows excellent research and application prospects as a natural bacteriostat.
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Affiliation(s)
- Xinyu Yang
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; Jiangsu Province Engineering Research Center of Food Synthetic Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Zheng Peng
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; Jiangsu Province Engineering Research Center of Food Synthetic Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Mengni He
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; Jiangsu Province Engineering Research Center of Food Synthetic Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Zhibin Li
- Fujian Maidu Food Development Co., Ltd, Quanzhou, Fujian 362000, China
| | - Guihua Fu
- Fujian Maidu Food Development Co., Ltd, Quanzhou, Fujian 362000, China
| | - Shaolei Li
- Fujian Maidu Food Development Co., Ltd, Quanzhou, Fujian 362000, China
| | - Juan Zhang
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; Science Center for Future Foods, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China; Jiangsu Province Engineering Research Center of Food Synthetic Biotechnology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China.
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5
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Khataybeh B, Jaradat Z, Ababneh Q. Anti-bacterial, anti-biofilm and anti-quorum sensing activities of honey: A review. JOURNAL OF ETHNOPHARMACOLOGY 2023; 317:116830. [PMID: 37400003 DOI: 10.1016/j.jep.2023.116830] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 05/31/2023] [Accepted: 06/20/2023] [Indexed: 07/05/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Man has used honey to treat diseases since ancient times, perhaps even before the history of medicine itself. Several civilizations have utilized natural honey as a functional and therapeutic food to ward off infections. Recently, researchers worldwide have been focusing on the antibacterial effects of natural honey against antibiotic-resistant bacteria. AIM OF THE STUDY This review aims to summarize research on the use of honey properties and constituents with their anti-bacterial, anti-biofilm, and anti-quorum sensing mechanisms of action. Further, honey's bacterial products, including probiotic organisms and antibacterial agents which are produced to curb the growth of other competitor microorganisms is addressed. MATERIALS AND METHODS In this review, we have provided a comprehensive overview of the antibacterial, anti-biofilm, and anti-quorum sensing activities of honey and their mechanisms of action. Furthermore, the review addressed the effects of antibacterial agents of honey from bacterial origin. Relevant information on the antibacterial activity of honey was obtained from scientific online databases such as Web of Science, Google Scholar, ScienceDirect, and PubMed. RESULTS Honey's antibacterial, anti-biofilm, and anti-quorum sensing activities are mostly attributed to four key components: hydrogen peroxide, methylglyoxal, bee defensin-1, and phenolic compounds. The performance of bacteria can be altered by honey components, which impact their cell cycle and cell morphology. To the best of our knowledge, this is the first review that specifically summarizes every phenolic compound identified in honey along with their potential antibacterial mechanisms of action. Furthermore, certain strains of beneficial lactic acid bacteria such as Bifidobacterium, Fructobacillus, and Lactobacillaceae, as well as Bacillus species can survive and even grow in honey, making it a potential delivery system for these agents. CONCLUSION Honey could be regarded as one of the best complementary and alternative medicines. The data presented in this review will enhance our knowledge of some of honey's therapeutic properties as well as its antibacterial activities.
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Affiliation(s)
- Batool Khataybeh
- Department of Nutrition and Food Technology, Jordan University of Science and Technology, Irbid, 22110, Jordan
| | - Ziad Jaradat
- Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, 22110, Jordan.
| | - Qutaiba Ababneh
- Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, 22110, Jordan
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6
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Yu J, Hong C, Yin L, Ping Q, Hu G. Antimicrobial activity of phenyllactic acid against Klebsiella pneumoniae and its effect on cell wall membrane and genomic DNA. Braz J Microbiol 2023; 54:3245-3255. [PMID: 37728681 PMCID: PMC10689709 DOI: 10.1007/s42770-023-01126-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 09/09/2023] [Indexed: 09/21/2023] Open
Abstract
As Klebsiella pneumoniae (KP) has acquired high levels of resistance to multiple antibiotics, it is considered a worldwide pathogen of concern, and substitutes for traditional antibiotics are urgently needed. 3-Phenyllactic acid (PLA) has been reported to have antimicrobial activity against food-borne bacteria. However, there was no experiment evidence for the exact antibacterial effect and mechanism of PLA kills pathogenic KP. In this study, the Oxford cup method indicated that PLA is effective to KP with a minimum inhibitory concentration of 2.5 mg/mL. Furthermore, PLA inhibited the growth and biofilm formation of in a time- and concentration-dependent manner. In vivo, PLA could significantly increase the survival rate of infected mice and reduce the pathological tissue damage. The antibacterial mode of PLA against KP was further explored. Firstly, scanning electron microscopy illustrated the disruption of cellular ultrastructure caused by PLA. Secondly, measurement of leaked alkaline phosphatase demonstrated that PLA disrupted the cell wall integrity of KP and flow cytometry analysis with propidium iodide staining suggested that PLA damaged the cell membrane integrity. Finally, the results of fluorescence spectroscopy and agarose gel electrophoresis demonstrated that PLA bound to genomic DNA and initiated its degradation. The anti-KP mode of action of PLA was attributed to the destruction of the cell wall, membrane, and genomic DNA binding. These findings suggest that PLA has great potential applications as antibiotic substitutes in feed additives against KP infection in animals.
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Affiliation(s)
- Jianyun Yu
- College of Life Sciences, Taizhou key Laboratory of Biomass Functional Materials Development and Application, Taizhou University, Taizhou, Zhejiang, 318000, China
| | - Chunli Hong
- College of Life Sciences, Taizhou key Laboratory of Biomass Functional Materials Development and Application, Taizhou University, Taizhou, Zhejiang, 318000, China
| | - Longfei Yin
- College of Life Sciences, Taizhou key Laboratory of Biomass Functional Materials Development and Application, Taizhou University, Taizhou, Zhejiang, 318000, China
| | - Qingbo Ping
- College of Life Sciences, Taizhou key Laboratory of Biomass Functional Materials Development and Application, Taizhou University, Taizhou, Zhejiang, 318000, China
| | - Gaowei Hu
- College of Life Sciences, Taizhou key Laboratory of Biomass Functional Materials Development and Application, Taizhou University, Taizhou, Zhejiang, 318000, China.
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7
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Maaroufi I, Jamsransuren D, Hashida K, Matsuda S, Ogawa H, Takeda Y. An Abies Extract Containing Nonvolatile Polyphenols Shows Virucidal Activity against SARS-CoV-2 That Is Enhanced in Increased pH Conditions. Pathogens 2023; 12:1093. [PMID: 37764901 PMCID: PMC10534523 DOI: 10.3390/pathogens12091093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 08/21/2023] [Accepted: 08/24/2023] [Indexed: 09/29/2023] Open
Abstract
Researching the beneficial health properties of wood byproducts can prevent wastage by turning them into valuable resources. In this study, the virucidal activity of two extracts from Abies sachalinensis byproducts, ASE1, and ASE2, against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was investigated. ASE1 is rich in monoterpenoid volatile compounds, whereas ASE2 contains nonvolatile polyphenols. SARS-CoV-2 solutions were mixed with ASE1 or ASE2, and viral titer reduction was evaluated. At their original acidic pH, ASE2 showed stronger virucidal activity than ASE1. The virucidal activity of ASE2 was also significantly enhanced when pH was increased to neutral or basic, which was not the case for ASE1. At a neutral pH, ASE2 induced statistically significant viral titer reduction in 1 min. HCl and NaOH solutions, which had a pH close to that of acidic and basic ASE2 test mixtures, respectively, exhibited no virucidal activity against SARS-CoV-2. Among the SARS-CoV-2 variants, Omicron showed the highest vulnerability to ASE2. Western blotting, RT-PCR, and electron microscopic analysis revealed that neutral ASE2 interacts with SARS-CoV-2 spike proteins and moderately disrupts the SARS-CoV-2 genome and viral envelope. These findings reveal the virucidal potential of ASE2.
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Affiliation(s)
- Imane Maaroufi
- Graduate School of Animal and Veterinary Sciences and Agriculture, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan;
| | - Dulamjav Jamsransuren
- Research Center for Global Agromedicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan; (D.J.); (S.M.)
| | - Koh Hashida
- Department of Forest Resources Chemistry, Forestry and Forest Products Research Institute, Tsukuba 305-8687, Japan;
| | - Sachiko Matsuda
- Research Center for Global Agromedicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan; (D.J.); (S.M.)
| | - Haruko Ogawa
- Department of Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan;
| | - Yohei Takeda
- Research Center for Global Agromedicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan; (D.J.); (S.M.)
- Department of Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan;
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Faúndez X, Báez ME, Martínez J, Zúñiga-López MC, Espinoza J, Fuentes E. Evaluation of the generation of reactive oxygen species and antibacterial activity of honey as a function of its phenolic and mineral composition. Food Chem 2023; 426:136561. [PMID: 37321119 DOI: 10.1016/j.foodchem.2023.136561] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 06/02/2023] [Accepted: 06/04/2023] [Indexed: 06/17/2023]
Abstract
The antibacterial activity (ABA) of honey is associated with the generation of reactive oxygen species (ROS), where polyphenols (PFs) play a key role due to their pro-oxidant action modulated by metallic cations. In this work, the contents of PFs, H2O2, OH radicals, Cu, Fe, Mn, Zn, and ABA against Staphylococcus epidermidis and Pseudomonas aeruginosa were determined in honeys from central Chile. Then, their relationships were evaluated through partial least squares regression. The average contents of phenolic acids, flavonoids and metals in honey ranged from 0.4 to 4 μg/g, 0.3-1.5 μg/g and 3-6 μg/g, respectively. All honeys showed accumulation of H2O2 (1-35 μg/g) and OH radicals. The PLS showed that gallic acid, p-coumaric acid, chrysin, kaempferol, Fe, and Mn stimulate the generation of ROS. Quercetin, Cu, and Zn showed marginal antioxidant effects. PFs favor the ABA of honey against both bacteria and H2O2 against S. epidermidis.
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Affiliation(s)
- Ximena Faúndez
- Departamento de Química Inorgánica y Analítica, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
| | - María E Báez
- Departamento de Química Inorgánica y Analítica, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
| | - Jessica Martínez
- Centro de Medicina Regenerativa, Facultad de Medicina, Clínica Alemana-Universidad del Desarrollo, Santiago, Chile
| | - María C Zúñiga-López
- Departamento de Química Inorgánica y Analítica, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
| | - Jeannette Espinoza
- Departamento de Química Inorgánica y Analítica, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
| | - Edwar Fuentes
- Departamento de Química Inorgánica y Analítica, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile.
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Mohamadzade Namin S, Ghosh S, Jung C. Honey Quality Control: Review of Methodologies for Determining Entomological Origin. Molecules 2023; 28:molecules28104232. [PMID: 37241972 DOI: 10.3390/molecules28104232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/17/2023] [Accepted: 05/19/2023] [Indexed: 05/28/2023] Open
Abstract
Honey is a widely consumed natural product, and its entomological origin can significantly influence its market value. Therefore, traceability of the entomological origin of honey should also be considered in honey quality control protocols. Although several methods exist, such as physicochemical characterization and bioactivity profiling of honey of different entomological origins, the most promising three methods for entomological authentication of honey include protein-based identification, chemical profiling, and a DNA-based method. All of these methods can be applied for reliable identification of the entomological origin of honey. However, as the honey is a complex matrix, the inconsistency of the results obtained by these methods is a pragmatic challenge, and therefore, the use of each method in all the cases is questionable. Most of these methodologies can be used for authentication of newly harvested honey and it is worth understanding the possibility of using these methods for authentication of relatively old samples. Most probably, using DNA-based methods targeting small fragments of DNA can provide the best result in old samples, however, the species-specific primers targeting short fragments are limited and not available for all species. Therefore, using universal primers in combination with a DNA metabarcoding approach can be a good solution that requires further investigation. This present article describes the applications of different methods, their pros, and their cons to identify honey based on entomological origin.
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Affiliation(s)
- Saeed Mohamadzade Namin
- Agricultural Science and Technology Institute, Andong National University, Andong 36729, Republic of Korea
| | - Sampat Ghosh
- Agricultural Science and Technology Institute, Andong National University, Andong 36729, Republic of Korea
| | - Chuleui Jung
- Agricultural Science and Technology Institute, Andong National University, Andong 36729, Republic of Korea
- Department of Plant Medicals, Andong National University, Andong 36729, Republic of Korea
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10
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PDDA/Honey Antibacterial Nanofiber Composites for Diabetic Wound-Healing: Preparation, Characterization, and In Vivo Studies. Gels 2023; 9:gels9030173. [PMID: 36975623 PMCID: PMC10047982 DOI: 10.3390/gels9030173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 02/18/2023] [Accepted: 02/20/2023] [Indexed: 02/25/2023] Open
Abstract
In this paper, Poly (diallyldimethylammonium chloride) (PDDA)/honey nanofiber wound dressing composites were prepared and their effects on the diabetic wound-healing was evaluated using in vivo experiments. The release of effective compounds and the solubility of nanofibers were controlled through the crosslinking process by glutaraldehyde. The crosslinked nanofibers (crosslinking time was 3 h) showed an absorption capacity at a maximum value of 989.54%. Interestingly, the resultant composites were able to prevent 99.9% of Staphylococcus aureus and Escherichia coli bacteria. Furthermore, effective compounds were continuously released from nanofibers for up to 125 h. In vivo evaluation indicated that the use of PDDA/honey (40/60) significantly enhanced wound-healing. On the day 14th, the average healing rate for samples covered by conventional gauze bandage, PDDA, PDDA/honey (50/50), and PDDA/honey (40/60) were 46.8 ± 0.2, 59.4 ± 0.1, 81.7 ± 0.3, and 94.3 ± 0.2, respectively. The prepared nanofibers accelerated the wound-healing process and reduced the acute and chronic inflammation. Hence, our PDDA/honey wound dressing composites open up new future treatment options for diabetic wound diseases.
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11
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An P, Li L, Huang P, Zheng Y, Jin Z, Korma SA, Ren N, Zhang N. Lacticaseibacillus rhamnosus C1 effectively inhibits Penicillium roqueforti: Effects of antimycotic culture supernatant on toxin synthesis and corresponding gene expression. Front Microbiol 2023; 13:1076511. [PMID: 36777030 PMCID: PMC9909597 DOI: 10.3389/fmicb.2022.1076511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 12/23/2022] [Indexed: 01/27/2023] Open
Abstract
Recently, consumers are increasingly concerned about the contamination of food by molds and the addition of chemical preservatives. As natural and beneficial bacteria, probiotics are a prospective alternative in food conservation because of their antimycotic activities, although the mechanism has not been explained fully at the level of metabolites. This study aimed at investigating the antifungal activities and their mechanisms of five potential probiotic strains (Lacticaseibacillus rhamnosus C1, Lacticaseibacillus casei M8, Lactobacillus amylolyticus L6, Schleiferilactobacillus harbinensis M1, and Limosilactobacillus fermentum M4) against Penicillium roqueforti, the common type of mold growth on the bread. Results showed that C1 emerged the strongest effectiveness at blocking mycelium growth, damaging the morphology of hyphae and microconidia, decreasing DNA content and interfering in the synthesis of the fungal toxins patulin, roquefortine C and PR-toxin, as well as downregulating the expression of key genes associated with the toxin biosynthesis pathways. Further metabonomic investigation revealed that protocatechuic acid with the minimum inhibitory concentration of 0.40 mg/mL, may be most likely responsible for positively correlated with the antimycotic effects of C1. Thus, C1 is expected to be both a potentially greatly efficient and environmental antimycotic for controlling P. roqueforti contamination in foods.
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Affiliation(s)
- Peipei An
- Department of Food Science, School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Li Li
- Department of Food Science, School of Food Science and Engineering, South China University of Technology, Guangzhou, China,Innovation and Research Platforms of Life and Health, China-Singapore International Joint Research Institute, Guangzhou, China,*Correspondence: Li Li, ✉
| | - Pei Huang
- Department of Data Science, School of Software Engineering, South China University of Technology, Guangzhou, China
| | - Yin Zheng
- Department of Food Science, School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Zekun Jin
- Department of Food Science, School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Sameh A. Korma
- Department of Food Science, School of Food Science and Engineering, South China University of Technology, Guangzhou, China,Department of Food Science, Faculty of Agriculture, Zagazig University, Zagazig, Sharkia, Egypt
| | - Namei Ren
- Department of Food Science, School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Nan Zhang
- Department of Food Science, School of Food Science and Engineering, South China University of Technology, Guangzhou, China
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Matharu RK, Ahmed J, Seo J, Karu K, Golshan MA, Edirisinghe M, Ciric L. Antibacterial Properties of Honey Nanocomposite Fibrous Meshes. Polymers (Basel) 2022; 14:polym14235155. [PMID: 36501550 PMCID: PMC9740266 DOI: 10.3390/polym14235155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 10/25/2022] [Accepted: 11/21/2022] [Indexed: 11/30/2022] Open
Abstract
Natural substances are increasingly being developed for use in health-related applications. Honey has attracted significant interest, not only for its physical and chemical properties, but also for its antibacterial activity. For the first time, suspensions of Black Forest honeydew honey and manuka honey UMF 20+ were examined for their antibacterial properties against Escherichia coli and Staphylococcus epidermidis using flow cytometry. The inhibitory effect of honey on bacterial growth was evident at concentrations of 10, 20 and 30 v/v%. The minimum inhibitory effects of both honey types against each bacterium were also investigated and reported. Electrospray ionisation (ESI) mass spectrometry was performed on both Black Forest honeydew honey and manuka honey UMF 20+. Manuka honey had a gluconic concentration of 2519 mg/kg, whilst Black Forest honeydew honey had a concentration of 2195 mg/kg. Manuka honey demonstrated the strongest potency when compared to Black Forest honeydew honey; therefore, it was incorporated into nanofiber scaffolds using pressurised gyration and 10, 20 and 30 v/v% manuka honey-polycaprolactone solutions. Composite fibres were analysed for their morphology and topography using scanning electron microscopy. The average fibre diameter of the manuka honey-polycaprolactone scaffolds was found to range from 437 to 815 nm. The antibacterial activity of the 30 v/v% scaffolds was studied using S. epidermidis. Strong antibacterial activity was observed with a bacterial reduction rate of over 90%. The results show that honey composite fibres formed using pressurised gyration can be considered a natural therapeutic agent for various medicinal purposes, including wound-healing applications.
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Affiliation(s)
- Rupy Kaur Matharu
- Department of Mechanical Engineering, University College London, Torrington Place, London WC1E 7JE, UK
- Department of Civil, Environmental & Geomatic Engineering, University College London, Chadwick Building, Gower Street, London WC1E 6BT, UK
- Correspondence:
| | - Jubair Ahmed
- Department of Mechanical Engineering, University College London, Torrington Place, London WC1E 7JE, UK
| | - Jegak Seo
- Department of Civil, Environmental & Geomatic Engineering, University College London, Chadwick Building, Gower Street, London WC1E 6BT, UK
| | - Kersti Karu
- Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, UK
| | - Mitra Ashrafi Golshan
- Department of Civil, Environmental & Geomatic Engineering, University College London, Chadwick Building, Gower Street, London WC1E 6BT, UK
| | - Mohan Edirisinghe
- Department of Mechanical Engineering, University College London, Torrington Place, London WC1E 7JE, UK
| | - Lena Ciric
- Department of Civil, Environmental & Geomatic Engineering, University College London, Chadwick Building, Gower Street, London WC1E 6BT, UK
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Dallagnol AM, Dallagnol VC, Vignolo GM, Lopes NP, Brunetti AE. Flavonoids and Phenylethylamides Are Pivotal Factors Affecting the Antimicrobial Properties of Stingless Bee Honey. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:12596-12603. [PMID: 36154047 DOI: 10.1021/acs.jafc.2c04120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Despite the recent approval of stingless bee honey to the Argentine Food Code, there are still many gaps in information. Likely, the main reason for this is that multiple ecological and chemical factors influence their production and antimicrobial properties. This work combined metabolomic, microbiological, and physicochemical analyses to characterize the honey ofTetragonisca fiebrigifrom Northeastern Argentina. The antimicrobial activity tests showed that honey samples (n = 24) inhibited some Gram-positive and Gram-negative bacteria at different sensitivity levels. Furthermore, samples selected for their high bioactivity revealed crystallizations, a positive correlation with fungal growth, and the presence of flavonoids. The major polyphenols annotated by liquid chromatography with tandem mass spectrometry (LC-MS/MS) analysis and supported by metabolomic tools were quercetin 3,4'-dimethyl ether, pachypodol, jaceoside, irigenin trimethyl ether, corymboside, chrysoeriol 7-neohesperidoside, and corymboside. In contrast, samples missing antimicrobial activity did not crystallize, lacked flavonoids, and were enriched in phenylethylamides. Based on these findings, we discuss the significance of flavonoids and phenylethylamides on honey's antimicrobial activity and food quality and how they may indeed reflect essential parameters of the hive, such as microbial balance and eubiosis.
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Affiliation(s)
- Andrea Micaela Dallagnol
- Laboratorio de Microbiología de Alimentos y Biotecnología Dr. Fernando O. Benassi, Facultad de Ciencias Exactas, Químicas y Naturales (FCEQyN, UNaM), Ruta 12, Km 7,5, Posadas CP 3300, Misiones, Argentina
- Instituto de Materiales de Misiones (IMAM, UNaM-CONICET), Felix de Azara 1552, Posadas CP 3300, Misiones, Argentina
| | - Verónica Cristina Dallagnol
- Instituto de Materiales de Misiones (IMAM, UNaM-CONICET), Felix de Azara 1552, Posadas CP 3300, Misiones, Argentina
| | - Graciela Margarita Vignolo
- Centro de Referencia para Lactobacilos (CERELA, CONICET). Chacabuco 145, San Miguel de Tucumán CP 4000, Tucumán, Argentina
| | - Norberto Peporine Lopes
- Núcleo de Pesquisa em Produtos Naturais e Sintéticos (NPPNS), Department of Biomolecular Sciences, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo 14040-903, Brazil
| | - Andrés Eduardo Brunetti
- Núcleo de Pesquisa em Produtos Naturais e Sintéticos (NPPNS), Department of Biomolecular Sciences, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo 14040-903, Brazil
- Laboratorio de Genética Evolutiva, Instituto de Biología Subtropical (IBS, UNaM-CONICET), Félix de Azara 1552, Posadas CP 3300, Misiones, Argentina
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14
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Lin T, Huang L, Cheng N, Wang Y, Ning Z, Huang S, Wu Y, Chen T, Su S, Lin Y. The in vitro and in vivo antibacterial activities of uniflorous honey from a medicinal plant, Scrophularia ningpoensis Hemsl., and characterization of its chemical profile with UPLC-MS/MS. JOURNAL OF ETHNOPHARMACOLOGY 2022; 296:115499. [PMID: 35752262 DOI: 10.1016/j.jep.2022.115499] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 06/10/2022] [Accepted: 06/18/2022] [Indexed: 06/15/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE According to the Compendium of Materia Medica, honey has been used as a traditional medicine in treatment against mucositis, tinea, hemorrhoids and psoriasis. In complementary medicine, due to its significant antimicrobial activity, honey has been widely used as a remedy for skin wounds and gastrohelcosis for thousands of years. AIM OF THE STUDY This study is aimed at exploring the antimicrobial activity and mechanisms of honey sourced from medicinal plants, and revealing the composition-activity relationship, to facilitate their complementary and alternative application in the therapy of bacterial infectious diseases. MATERIALS AND METHODS Eight kinds of medicinal plant-derived uniflorous honey, native to China, were gathered. Their antimicrobial activities were evaluated in vitro, and then in vivo with the systemically infected mouse model and the acute skin infection model. SYTOX uptake assay, scanning electron microscopy, DNA binding assay, and quantitative real-time PCR, were carried out to elucidate the antibacterial mechanisms. This was followed by an investigation of the componential profile with the UPLC-MS/MS technique. RESULTS It was found that Scrophularia ningpoensis Hemsl. (figwort) honey (S. ningpoensis honey) exhibited broad-spectrum and the strongest antibacterial potency (MICs of 7.81-125.00%, w/v), comparable to manuka honey. In the in vivo assays, S. ningpoensis honey significantly decreased the bacterial load of the muscles under the acute MRSA-infected skin wounds; the sera level of TNF-α in the S. aureus and P. aeruginosa-infected mice decreased by 45.38% and 51.75%, respectively, after the treatment of S. ningpoensis honey (125 mg/10 g). It was capable of killing bacteria through disrupting the cell membranes and the genomic DNA, as well as down-regulating the expression of genes associated with virulence, biofilm formation and invasion, including icaA, icaD, eno, sarA, agrA, sigB, fib and ebps in S. aureus, and lasI, lasR, rhlI, rhlR and algC in P. aeruginosa. Apart from H2O2, some other nonperoxide compounds such as adenosine, chavicol, 4-methylcatechol, trehalose, palmitoleic acid and salidroside, might play a vital role in the antibacterial properties of S. ningpoensis honey. CONCLUSIONS This is the first study to thoroughly investigate the antibacterial activity, mode of action, and componential profile of S. ningpoensis honey. It suggested that S. ningpoensis honey might be a potential supplement or substitute for manuka honey, for the prevention or treatment of bacterial infections. It will facilitate the precise application of medicinal plant-sourced honey, provide a new thread for the development of antibacterial drugs, and assist in the distinction of different kinds of honey.
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Affiliation(s)
- Tianxing Lin
- College of Animal Sciences (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou, 350002, China; College of Marine Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Lei Huang
- College of Animal Sciences (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Ningna Cheng
- College of Animal Sciences (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Yuzhen Wang
- College of Animal Sciences (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Zhen Ning
- College of Animal Sciences (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Shaokang Huang
- College of Animal Sciences (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Yuanhua Wu
- College of Animal Sciences (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Tianbao Chen
- Natural Drug Discovery Group, School of Pharmacy, Queen's University, Belfast BT9 7BL, Northern Ireland, UK
| | - Songkun Su
- College of Animal Sciences (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
| | - Yan Lin
- College of Animal Sciences (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou, 350002, China; College of Marine Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
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Li Y, Miao Y, Yang L, Zhao Y, Wu K, Lu Z, Hu Z, Guo J. Recent Advances in the Development and Antimicrobial Applications of Metal-Phenolic Networks. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2202684. [PMID: 35876402 PMCID: PMC9507365 DOI: 10.1002/advs.202202684] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 06/23/2022] [Indexed: 05/04/2023]
Abstract
Due to the abuse of antibiotics and the emergence of multidrug resistant microorganisms, medical devices, and related biomaterials are at high risk of microbial infection during use, placing a heavy burden on patients and healthcare systems. Metal-phenolic networks (MPNs), an emerging organic-inorganic hybrid network system developed gradually in recent years, have exhibited excellent multifunctional properties such as anti-inflammatory, antioxidant, and antibacterial properties by making use of the coordination between phenolic ligands and metal ions. Further, MPNs have received widespread attention in antimicrobial infections due to their facile synthesis process, excellent biocompatibility, and excellent antimicrobial properties brought about by polyphenols and metal ions. In this review, different categories of biomaterials based on MPNs (nanoparticles, coatings, capsules, hydrogels) and their fabrication strategies are summarized, and recent research advances in their antimicrobial applications in biomedical fields (e.g., skin repair, bone regeneration, medical devices, etc.) are highlighted.
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Affiliation(s)
- Yue Li
- Department of Histology and EmbryologySchool of Basic Medical SciencesDepartment of Plastic and Aesthetic SurgeryNanfang Hospital of Southern Medical UniversitySouthern Medical UniversityGuangzhou510515P. R. China
| | - Yong Miao
- Department of Histology and EmbryologySchool of Basic Medical SciencesDepartment of Plastic and Aesthetic SurgeryNanfang Hospital of Southern Medical UniversitySouthern Medical UniversityGuangzhou510515P. R. China
| | - Lunan Yang
- Department of Histology and EmbryologySchool of Basic Medical SciencesDepartment of Plastic and Aesthetic SurgeryNanfang Hospital of Southern Medical UniversitySouthern Medical UniversityGuangzhou510515P. R. China
| | - Yitao Zhao
- Department of Histology and EmbryologySchool of Basic Medical SciencesDepartment of Plastic and Aesthetic SurgeryNanfang Hospital of Southern Medical UniversitySouthern Medical UniversityGuangzhou510515P. R. China
| | - Keke Wu
- Department of Histology and EmbryologySchool of Basic Medical SciencesDepartment of Plastic and Aesthetic SurgeryNanfang Hospital of Southern Medical UniversitySouthern Medical UniversityGuangzhou510515P. R. China
| | - Zhihui Lu
- Department of Histology and EmbryologySchool of Basic Medical SciencesDepartment of Plastic and Aesthetic SurgeryNanfang Hospital of Southern Medical UniversitySouthern Medical UniversityGuangzhou510515P. R. China
- Regenerative Medicine and Tissue Repair Research CenterHuangpu Institute of MaterialsGuangzhou510530P. R. China
| | - Zhiqi Hu
- Department of Histology and EmbryologySchool of Basic Medical SciencesDepartment of Plastic and Aesthetic SurgeryNanfang Hospital of Southern Medical UniversitySouthern Medical UniversityGuangzhou510515P. R. China
| | - Jinshan Guo
- Department of Histology and EmbryologySchool of Basic Medical SciencesDepartment of Plastic and Aesthetic SurgeryNanfang Hospital of Southern Medical UniversitySouthern Medical UniversityGuangzhou510515P. R. China
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Gray BH, Green KJ, Haines RR, Hammer KA. Antibacterial interactions between two monofloral honeys and several topical antiseptics, including essential oils. BMC Complement Med Ther 2022; 22:228. [PMID: 36028831 PMCID: PMC9419324 DOI: 10.1186/s12906-022-03695-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 08/03/2022] [Indexed: 11/13/2022] Open
Abstract
Background Honey has broad spectrum antibacterial activity against clinically important organisms and may be suitable for treating superficial bacterial infections. However, very little data are available describing potential interactions between honey and other topically applied agents such as antiseptics or essential oils. Methods Interactions between pairs of antibacterial agents were investigated by performing checkerboard assays and determining the fractional inhibitory concentration indices (FICIs). Interactions between the two monofloral honeys marri (from Corymbia calophylla) and manuka, and the antiseptic agents benzalkonium chloride, chlorhexidine digluconate, silver (I) nitrate, tea tree oil, and Eucalyptus polybractea oil were investigated against Staphylococcus aureus ATCC® 43300 and Pseudomonas aeruginosa ATCC® 27853. Results Additive or indifferent interactions (FICI 0.5—2) were observed for all combinations against both organisms tested, with the exception of chlorhexidine and honey. Chlorhexidine and marri honey showed an antagonistic relationship against S. aureus (median FICI 2.00, range 1.25—4.83). Similarly, chlorhexidine and manuka honey showed antagonism against S. aureus (median FICI 2.33, range 2.00—2.67). Conclusions With the exception of chlorhexidine, these data indicate that honey does not interfere with the antimicrobial activity of the tested agents, and that honey may be suitable for combination therapy with other topically applied antibacterial agents for treating superficial bacterial infections. Supplementary Information The online version contains supplementary material available at 10.1186/s12906-022-03695-x.
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Hewett SR, Crabtrey SD, Dodson EE, Rieth CA, Tarkka RM, Naylor K. Both Manuka and Non-Manuka Honey Types Inhibit Antibiotic Resistant Wound-Infecting Bacteria. Antibiotics (Basel) 2022; 11:antibiotics11081132. [PMID: 36010001 PMCID: PMC9405051 DOI: 10.3390/antibiotics11081132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 08/12/2022] [Accepted: 08/16/2022] [Indexed: 11/25/2022] Open
Abstract
Postoperative infections are a major concern in United States hospitals, accounting for roughly 20% of all hospital-acquired infections yearly. Wound-infecting bacteria, in particular, have a high rate of drug resistance (up to 65%), creating life-threatening complications. Manuka honey, native to New Zealand, has been FDA-approved for wound treatment in the United States after studies demonstrated its ability to inhibit a variety of bacterial species and facilitate wound healing. The aim of this study was to identify alternative (non-manuka) honey types that can be specifically used against antibiotic resistance bacteria in wound infections. We utilized a honey-plate method to measure the minimum inhibitory concentration (MIC) of honey to avoid the limitations of agar diffusion, where large, nonpolar polyphenols (which will not diffuse efficiently) play an important role in bioactivity. This study demonstrated that there are several alternative (non-manuka) honey types, particularly fresh raw Arkansas wildflower honeys, that comparably inhibit the growth of the antibiotic-resistant bacterial species specifically implicated in wound infections. Concentrations of 10–30% honey inhibited the growth of the highly antibiotic-resistant organisms colloquially referred to as “superbugs”, which the WHO declared in 2017 to be in critical need of new antibiotics. There was no statistical difference between manuka honey and fresh summer Arkansas wildflower honey in overall bacterial inhibition. These results could transform wound care in the United States, where manuka honey can be expensive and difficult to obtain and where antibiotic resistance remains a troubling concern for wound treatment.
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Affiliation(s)
- Samantha R. Hewett
- Department of Biology, University of Central Arkansas, Conway, AR 72035, USA
| | | | - Esther E. Dodson
- Department of Chemistry, University of Central Arkansas, Conway, AR 72035, USA
| | - C. Alexander Rieth
- Department of Chemistry, University of Central Arkansas, Conway, AR 72035, USA
| | - Richard M. Tarkka
- Department of Chemistry, University of Central Arkansas, Conway, AR 72035, USA
| | - Kari Naylor
- Department of Biology, University of Central Arkansas, Conway, AR 72035, USA
- Correspondence:
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Hossain ML, Lim LY, Hammer K, Hettiarachchi D, Locher C. A Review of Commonly Used Methodologies for Assessing the Antibacterial Activity of Honey and Honey Products. Antibiotics (Basel) 2022; 11:antibiotics11070975. [PMID: 35884229 PMCID: PMC9312033 DOI: 10.3390/antibiotics11070975] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/15/2022] [Accepted: 07/18/2022] [Indexed: 01/22/2023] Open
Abstract
Honey, a naturally sweet and viscous substance is mainly produced by honeybees (Apis mellifera) from flower nectar. Honey exerts a plethora of biological and pharmacological activities, namely, antioxidant, antimicrobial and anti-inflammatory activity, because of the presence of an extensive variety of bioactive compounds. The antibacterial activity is one of the most reported biological properties, with many studies demonstrating that honey is active against clinically important pathogens. As a result, beside honey’s widespread utilization as a common food and flavouring agent, honey is an attractive natural antimicrobial agent. However, the use of neat honey for therapeutic purposes poses some problems, for instance, its stickiness may hamper its appeal to consumers and health care professionals, and the maintenance of an adequate therapeutic concentration over a sufficient timeframe may be challenging due to honey liquidity and leakage. It has motivated researchers to integrate honey into diverse formulations, for example, hydrogels, dressings, ointments, pastes and lozenges. The antibacterial activity of these formulations should be scientifically determined to underscore claims of effectiveness. Some researchers have made efforts to adapt the disc carrier and suspension test to assess the antimicrobial activity of topical products (e.g., silver-based wound dressings). However, there is currently no established and validated method for determining the in vitro antimicrobial potential of natural product-based formulations, including those containing honey as the active principle. Against the backdrop of a brief discussion of the parameters that contribute to its antibacterial activity, this review provides an outline of the methods currently used for investigating the antibacterial activity of neat honey and discusses their limitations for application to honey-based formulations.
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Affiliation(s)
- Md Lokman Hossain
- Division of Pharmacy, School of Allied Health, University of Western Australia, Crawley 6009, Australia; (M.L.H.); (L.Y.L.); (D.H.)
| | - Lee Yong Lim
- Division of Pharmacy, School of Allied Health, University of Western Australia, Crawley 6009, Australia; (M.L.H.); (L.Y.L.); (D.H.)
| | - Katherine Hammer
- School of Biomedical Sciences, University of Western Australia, Crawley 6009, Australia;
- CRC for Honey Bee Products, University of Western Australia, Crawley 6009, Australia
| | - Dhanushka Hettiarachchi
- Division of Pharmacy, School of Allied Health, University of Western Australia, Crawley 6009, Australia; (M.L.H.); (L.Y.L.); (D.H.)
| | - Cornelia Locher
- Division of Pharmacy, School of Allied Health, University of Western Australia, Crawley 6009, Australia; (M.L.H.); (L.Y.L.); (D.H.)
- CRC for Honey Bee Products, University of Western Australia, Crawley 6009, Australia
- Correspondence:
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Edo GI, Makinde MG, Nwosu LC, Ozgor E, Akhayere E. Physicochemical and Pharmacological Properties of Palm Oil: an Approach for Quality, Safety, and Nutrition Evaluation of Palm Oil. FOOD ANAL METHOD 2022. [DOI: 10.1007/s12161-022-02293-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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20
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Mohamadzade Namin S, Yeasmin F, Choi HW, Jung C. DNA-Based Method for Traceability and Authentication of Apis cerana and A. dorsata Honey (Hymenoptera: Apidae), Using the NADH dehydrogenase 2 Gene. Foods 2022; 11:928. [PMID: 35407015 PMCID: PMC8997381 DOI: 10.3390/foods11070928] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/21/2022] [Accepted: 03/22/2022] [Indexed: 02/01/2023] Open
Abstract
Honey is a widely used natural product and the price of honey from Apis cerana (ACH) and A. dorsata (ADH) is several times more expensive than the one from A. mellifera (AMH), thus there are increasing fraud issues reported in the market by mislabeling or mixing honeys with different entomological origins. In this study, three species-specific primers, targeting the NADH dehydrogenase 2 (ND2) region of honeybee mitochondrial DNA, were designed and tested to distinguish the entomological origin of ACH, ADH, and AMH. Molecular analysis showed that each primer set can specifically detect the ND2 region from the targeted honeybee DNA, but not from the others. The amplicon size for A. cerana, A. dorsata and A. mellifera were 224, 302, and 377 bp, respectively. Importantly, each primer set also specifically produced amplicons with expected size from the DNA prepared from honey samples with different entomological origins. The PCR adulteration test allowed detection of 1% of AMH in the mixture with either ACH or ADH. Furthermore, real-time PCR and melting curve analysis indicated the possible discrimination of origin of honey samples. Therefore, we provide the newly developed PCR-based method that can be used to determine the entomological origin of the three kinds of honey.
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Affiliation(s)
- Saeed Mohamadzade Namin
- Agricultural Science and Technology Institute, Andong National University, Andong 36729, Korea
- Department of Plant Protection, Faculty of Agriculture, Varamin-Pishva Branch, Islamic Azad University, Varamin 3381774895, Iran
| | - Fatema Yeasmin
- Department of Plant Medicals, Andong National University, Andong 36729, Korea
| | - Hyong Woo Choi
- Department of Plant Medicals, Andong National University, Andong 36729, Korea
| | - Chuleui Jung
- Agricultural Science and Technology Institute, Andong National University, Andong 36729, Korea
- Department of Plant Medicals, Andong National University, Andong 36729, Korea
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21
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Stavropoulou E, Voidarou C(C, Rozos G, Vaou N, Bardanis M, Konstantinidis T, Vrioni G, Tsakris A. Antimicrobial Evaluation of Various Honey Types against Carbapenemase-Producing Gram-Negative Clinical Isolates. Antibiotics (Basel) 2022; 11:antibiotics11030422. [PMID: 35326885 PMCID: PMC8944737 DOI: 10.3390/antibiotics11030422] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/11/2022] [Accepted: 03/14/2022] [Indexed: 12/21/2022] Open
Abstract
The development of antibiotic resistance is a major public health issue, as infections are increasingly unresponsive to antibiotics. Emerging antimicrobial resistance has raised researchers’ interest in the development of alternative strategies using natural compounds with antibacterial activity, like honey, which has emerged as an agent to treat several infections and wound injuries. Nevertheless, the antibacterial effect of honey was mostly evaluated against Gram-positive bacteria. Hence, the objective of our study was to evaluate the antibacterial activity, as well as the physicochemical parameters, of genuine Greek honeys against multidrug-resistant Gram-negative pathogenic bacteria. In this vein, we aimed to study the in vitro antibacterial potential of rare Greek honeys against Verona integron-encoded metallo-β-lactamase (VIM)- or Klebsiella pneumoniae carbapenemase-producing multidrug-resistant Gram-negative pathogens. Physicochemical parameters such as pH, hydrogen peroxide, free acidity, lactonic acid, total phenols total flavonoids, free radical scavenging activities, tyrosinase enzyme inhibitory activity and kojic acid were examined. Moreover, the antimicrobial activity of 10 different honey types was evaluated in five consecutive dilutions (75%, 50%, 25%, 12.5% and 6.25%) against the clinical isolates by the well diffusion method, as well as by the determination of the minimum inhibition concentration after the addition of catalase and protease. Almost all the physicochemical parameters varied significantly among the different honeys. Fir and manuka honey showed the highest values in pH and H2O2, while the free acidity and lactonic acid levels were higher in chestnut honey. Total phenols, total flavonoids and free radical scavenging activities were found higher in cotton, arbutus and manuka honey, and finally, manuka and oregano honeys showed higher tyrosinase inhibition activity and kojic acid levels. The antimicrobial susceptibility depended on the type of honey, on its dilution, on the treatment methodology and on the microorganism. Arbutus honey was the most potent against VIM-producing Enterobacter cloacae subsp. dissolvens in 75% concentration, while fir honey was more lethal for the same microorganism in the 25% concentration. Many honeys outperformed manuka honey in their antibacterial potency. It is of interest that, for any given concentration in the well diffusion method and for any given type of honey, significant differences were not detected among the four multidrug-resistant pathogens, which explains that the damaging effect to the bacterial cells was the same regardless of the bacterial species or strain. Although the antimicrobial potency of different honey varieties dependents on their geographical origin and on their compositional differences, the exact underlying mechanism remains yet unclear.
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Affiliation(s)
- Elisavet Stavropoulou
- Department of Microbiology, Medical School, National Kapodistrian University of Athens, 11527 Athens, Greece; (G.V.); (A.T.)
- Centre Hospitalier Universitaire Vaudois (CHUV), 1101 Lausanne, Switzerland
- Correspondence: or
| | - Chrysoula (Chrysa) Voidarou
- Department of Agriculture, School of Agriculture, University of Ioannina, 47100 Arta, Greece; (C.V.); (G.R.)
| | - Georgios Rozos
- Department of Agriculture, School of Agriculture, University of Ioannina, 47100 Arta, Greece; (C.V.); (G.R.)
| | - Natalia Vaou
- Laboratory of Hygiene and Environmental Protection, Department of Medicine, Democritus University of Thrace, Dragana, 68100 Alexandroupolis, Greece; (N.V.); (M.B.); (T.K.)
| | - Michael Bardanis
- Laboratory of Hygiene and Environmental Protection, Department of Medicine, Democritus University of Thrace, Dragana, 68100 Alexandroupolis, Greece; (N.V.); (M.B.); (T.K.)
- Gourmeli., 73100 Chania, Crete, Greece
| | - Theodoros Konstantinidis
- Laboratory of Hygiene and Environmental Protection, Department of Medicine, Democritus University of Thrace, Dragana, 68100 Alexandroupolis, Greece; (N.V.); (M.B.); (T.K.)
| | - Georgia Vrioni
- Department of Microbiology, Medical School, National Kapodistrian University of Athens, 11527 Athens, Greece; (G.V.); (A.T.)
| | - Athanasios Tsakris
- Department of Microbiology, Medical School, National Kapodistrian University of Athens, 11527 Athens, Greece; (G.V.); (A.T.)
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22
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Freitas AS, Cunha A, Oliveira R, Almeida‐Aguiar C. Propolis antibacterial and antioxidant synergisms with gentamicin and honey. J Appl Microbiol 2022; 132:2733-2745. [DOI: 10.1111/jam.15440] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 12/23/2021] [Accepted: 01/03/2022] [Indexed: 11/26/2022]
Affiliation(s)
- Ana Sofia Freitas
- CITAB ‐ Centre for the Research and Technology of Agro‐Environmental and Biological Sciences University of Minho Campus de Gualtar 4710‐057 Braga Portugal
- Department of Biology School of Sciences University of Minho Campus de Gualtar 4710‐057 Braga Portugal
| | - Ana Cunha
- CITAB ‐ Centre for the Research and Technology of Agro‐Environmental and Biological Sciences University of Minho Campus de Gualtar 4710‐057 Braga Portugal
- Department of Biology School of Sciences University of Minho Campus de Gualtar 4710‐057 Braga Portugal
- CBMA ‐ Centre of Molecular and Environmental Biology University of Minho Campus de Gualtar 4710‐057 Braga Portugal
- CEB ‐ Centre of Biological Engineering University of Minho Campus de Gualtar 4710‐057 Braga Portugal
| | - Rui Oliveira
- CITAB ‐ Centre for the Research and Technology of Agro‐Environmental and Biological Sciences University of Minho Campus de Gualtar 4710‐057 Braga Portugal
- Department of Biology School of Sciences University of Minho Campus de Gualtar 4710‐057 Braga Portugal
- CBMA ‐ Centre of Molecular and Environmental Biology University of Minho Campus de Gualtar 4710‐057 Braga Portugal
- CEB ‐ Centre of Biological Engineering University of Minho Campus de Gualtar 4710‐057 Braga Portugal
| | - Cristina Almeida‐Aguiar
- CITAB ‐ Centre for the Research and Technology of Agro‐Environmental and Biological Sciences University of Minho Campus de Gualtar 4710‐057 Braga Portugal
- Department of Biology School of Sciences University of Minho Campus de Gualtar 4710‐057 Braga Portugal
- CBMA ‐ Centre of Molecular and Environmental Biology University of Minho Campus de Gualtar 4710‐057 Braga Portugal
- CEB ‐ Centre of Biological Engineering University of Minho Campus de Gualtar 4710‐057 Braga Portugal
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Tesfaye O, Muleta D, Desalegn A. In vitro antimicrobial properties of apis mellifera L. and Meliponulla beccarii L. honeys from Kellem and West Wollega Zones, Western Ethiopia. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2022. [DOI: 10.1080/10942912.2021.2019761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Ofijan Tesfaye
- Haro Sabu Agricultural Research Center, Oromia Agricultural Research Institute, Haro Sabu, Ethiopia
| | - Diriba Muleta
- Institute of Biotechnology, Addis Ababa University, College of Natural and Computational Sciences, Addis Ababa, Ethiopia
| | - Asnake Desalegn
- Department of Microbial, Cellular and Molecular Biology, Addis Ababa University, College of Natural and Computational Sciences, Addis Ababa, Ethiopia
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24
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Nezhad-Mokhtari P, Javanbakht S, Asadi N, Ghorbani M, Milani M, Hanifehpour Y, Gholizadeh P, Akbarzadeh A. Recent advances in honey-based hydrogels for wound healing applications: Towards natural therapeutics. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102789] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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25
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Insights into Solar Disinfection Enhancements for Drinking Water Treatment Applications. SUSTAINABILITY 2021. [DOI: 10.3390/su131910570] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Poor access to drinking water, sanitation, and hygiene has always been a major concern and a main challenge facing humanity even in the current century. A third of the global population lacks access to microbiologically safe drinking water, especially in rural and poor areas that lack proper treatment facilities. Solar water disinfection (SODIS) is widely proven by the World Health Organization as an accepted method for inactivating waterborne pathogens. A significant number of studies have recently been conducted regarding its effectiveness and how to overcome its limitations, by using water pretreatment steps either by physical, chemical, and biological factors or the integration of photocatalysis in SODIS processes. This review covers the role of solar disinfection in water treatment applications, going through different water treatment approaches including physical, chemical, and biological, and discusses the inactivation mechanisms of water pathogens including bacteria, viruses, and even protozoa and fungi. The review also addresses the latest advances in different pre-treatment modifications to enhance the treatment performance of the SODIS process in addition to the main limitations and challenges.
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26
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Peláez-Acero A, Cobos-Velasco JE, González-Lemus U, Espino-Manzano SO, Aguirre-Álvarez G, González-Montiel L, Figueira AC, Campos-Montiel RG. Bioactive compounds and antibacterial activities in crystallized honey liquefied with ultrasound. ULTRASONICS SONOCHEMISTRY 2021; 76:105619. [PMID: 34118757 PMCID: PMC8193605 DOI: 10.1016/j.ultsonch.2021.105619] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 05/17/2021] [Accepted: 05/31/2021] [Indexed: 05/02/2023]
Abstract
The effect of ultrasound on the crystal size, phenols, flavonoids, Maillard products and antibacterial activity of crystallized honeys was studied. Three multifloral honeys (M), one monofloral (MO) and one honeydew (HD) honey were used. Ultrasound was performed at 42 kHz for different times (0, 5, 10 and 15 min). The antibacterial activities were tested against Salmonella typhimurium, Bacillus subtilis, Pseudomonas aeruginosa, Listeria monocytogenes, Staphylococcus aureus and Escherichia coli. In all honeys, the parameters analyzed had significant differences ((P < 0.05)). After 15 min of ultrasound the HD had increments of 44 mg of gallic acid/100 g of honey in phenols, and some M showed increase in flavonoids (5.64 mg of quercitin /100 g of honey) and improvement in inhibition against Salmonella typhimurium was 13.1%. In some honeys the correlation between phenols or flavonoids and antibacterial activity were significant ((P < 0.05)). No correlation was found between Maillard products and antibacterial activity. The ultrasound treatment effect on the crystal size, phenols, flavonoid, Maillard products, and antibacterial activity of crystallized honeys were different in each honey.
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Affiliation(s)
- A Peláez-Acero
- Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Av. Rancho Universitario s/n Km.1 C.P. 43760, Tulancingo, Hgo, Mexico.
| | - J E Cobos-Velasco
- Universidad Tecnológica de la Huasteca Hidalguense, Chalahuiyapa s/n. C.P. 43000, Huejutla, Hgo, Mexico
| | - U González-Lemus
- Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Av. Rancho Universitario s/n Km.1 C.P. 43760, Tulancingo, Hgo, Mexico
| | - S O Espino-Manzano
- Universidad Tecnológica de Xicotepec de Juárez, Av. Universidad tecnológica, C.P.73080 Xicotepec de Juarez, Puebla, Mexico
| | - G Aguirre-Álvarez
- Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Av. Rancho Universitario s/n Km.1 C.P. 43760, Tulancingo, Hgo, Mexico.
| | | | - A C Figueira
- Centre for Spatial and Organizational Dynamics and Department of Food Engineering, Institute of Engineering, University of the Algarve, Campus da Penha, 8005-139 Faro, Portugal.
| | - R G Campos-Montiel
- Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Av. Rancho Universitario s/n Km.1 C.P. 43760, Tulancingo, Hgo, Mexico.
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27
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Nader RA, Mackieh R, Wehbe R, El Obeid D, Sabatier JM, Fajloun Z. Beehive Products as Antibacterial Agents: A Review. Antibiotics (Basel) 2021; 10:717. [PMID: 34203716 PMCID: PMC8232087 DOI: 10.3390/antibiotics10060717] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 06/09/2021] [Accepted: 06/12/2021] [Indexed: 12/31/2022] Open
Abstract
Honeybees are one of the most marvelous and economically beneficial insects. As pollinators, they play a vital role in every aspect of the ecosystem. Beehive products have been used for thousands of years in many cultures for the treatment of various diseases. Their healing properties have been documented in many religious texts like the Noble Quran and the Holy Bible. Honey, bee venom, propolis, pollen and royal jelly all demonstrated a richness in their bioactive compounds which make them effective against a variety of bacterial strains. Furthermore, many studies showed that honey and bee venom work as powerful antibacterial agents against a wide range of bacteria including life-threatening bacteria. Several reports documented the biological activities of honeybee products but none of them emphasized on the antibacterial activity of all beehive products. Therefore, this review aims to highlight the antibacterial activity of honey, bee venom, propolis, pollen and royal jelly, that are produced by honeybees.
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Affiliation(s)
- Rita Abou Nader
- Faculty of Sciences 3, Department of Biology, Lebanese University, Campus Michel Slayman Ras Maska, Tripoli 1352, Lebanon; (R.A.N.); (R.M.)
| | - Rawan Mackieh
- Faculty of Sciences 3, Department of Biology, Lebanese University, Campus Michel Slayman Ras Maska, Tripoli 1352, Lebanon; (R.A.N.); (R.M.)
| | - Rim Wehbe
- Biology Department, Faculty of Arts and Sciences, American University of Beirut, Beirut 1107 2020, Lebanon;
| | - Dany El Obeid
- Faculty of Agriculture & Veterinary Sciences, Lebanese University, Dekwaneh, Beirut 2832, Lebanon;
| | - Jean Marc Sabatier
- Faculté de Médecine Secteur Nord, 51, Université Aix-Marseille, Institut de Neuro-Physiopathologie, UMR 7051, Boulevard Pierre Dramard-CS80011, CEDEX 15, 13344 Marseille, France
| | - Ziad Fajloun
- Faculty of Sciences 3, Department of Biology, Lebanese University, Campus Michel Slayman Ras Maska, Tripoli 1352, Lebanon; (R.A.N.); (R.M.)
- Laboratory of Applied Biotechnology (LBA3B), Azm Center for Research in Biotechnology and its Applications, EDST, Lebanese University, Tripoli 1300, Lebanon
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28
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Bee Pollen and Bee Bread as a Source of Bacteria Producing Antimicrobials. Antibiotics (Basel) 2021; 10:antibiotics10060713. [PMID: 34199247 PMCID: PMC8231920 DOI: 10.3390/antibiotics10060713] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 06/05/2021] [Accepted: 06/09/2021] [Indexed: 12/12/2022] Open
Abstract
The principal objective of the study was the isolation and identification of bacteria that are present in mature bee bread (BB) and dried (ready for selling and consumption) bee pollen (BP). Obtained isolates were screened for their potential to inhibit select human pathogenic bacteria and their ability to produce enzymes of particular industrial importance. Four and five samples of BP and BB, respectively, were used for the study. In total, 81 strains of bacteria were isolated, and 34 (42%) of them exhibited antagonistic interactions with at least one reference strain of pathogenic bacteria, namely Staphylococcus aureus ATCC 25923, Staphylococcus aureus ATCC 29213, Staphylococcus epidermidis 12228, Pseudomonas aeruginosa ATCC 27857, and Escherichia coli ATCC 25922. The sequencing of the 16S rRNA gene revealed that all strains producing antimicrobials belong to the genus Bacillus spp., and among them, five species were identified: B. pumilus (n = 17), B. altitudinis (n = 9), B. licheniformis (n = 4), B. subtilis (n = 2), and B. safensis (n = 1). Furthermore, 69, 54, 39, and 29 of the strains exhibited lipolytic, proteolytic, cellulolytic, and esterolytic activity, respectively. Alpha amylase and beta galactosidase activity were rarely observed, and none of the strains produced laccase. The outcomes of the study revealed that BP and BB can be considered potential sources of bacteria producing antimicrobial agents and/or enzymes of particular industrial importance. Of course, additional research is required to verify this hypothesis, but the results of preliminary studies are promising.
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29
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Genome-Wide Screening of Oxidizing Agent Resistance Genes in Escherichia coli. Antioxidants (Basel) 2021; 10:antiox10060861. [PMID: 34072091 PMCID: PMC8228696 DOI: 10.3390/antiox10060861] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 05/25/2021] [Accepted: 05/26/2021] [Indexed: 01/31/2023] Open
Abstract
The use of oxidizing agents is one of the most favorable approaches to kill bacteria in daily life. However, bacteria have been evolving to survive in the presence of different oxidizing agents. In this study, we aimed to obtain a comprehensive list of genes whose expression can make Escherichiacoli cells resistant to different oxidizing agents. For this purpose, we utilized the ASKA library and performed a genome-wide screening of ~4200 E. coli genes. Hydrogen peroxide (H2O2) and hypochlorite (HOCl) were tested as representative oxidizing agents in this study. To further validate our screening results, we used different E. coli strains as host cells to express or inactivate selected resistance genes individually. More than 100 genes obtained in this screening were not known to associate with oxidative stress responses before. Thus, this study is expected to facilitate both basic studies on oxidative stress and the development of antibacterial agents.
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30
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Efenberger-Szmechtyk M, Nowak A, Czyżowska A, Śniadowska M, Otlewska A, Żyżelewicz D. Antibacterial mechanisms of Aronia melanocarpa (Michx.), Chaenomeles superba Lindl. and Cornus mas L. leaf extracts. Food Chem 2021; 350:129218. [PMID: 33621817 DOI: 10.1016/j.foodchem.2021.129218] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 01/21/2021] [Accepted: 01/22/2021] [Indexed: 10/22/2022]
Abstract
The aim of this study was to investigate the in vitro antibacterial mechanisms of Aronia melanocarpa, Chaenomeles superba, and Cornus mas leaf extracts towards meat spoilage and pathogenic bacteria. The extracts decreased bacterial viability after 24 h and 48 h of incubation. Acting as prooxidants, the extracts induced intracellular ROS (reactive oxygen species) generation in bacteria cells, with C. mas having the strongest influence. The leaf extracts increased the release of UV intracellular absorbing components, suggesting a reduction in membrane integrity. They also increased the outer-membrane permeability of the Gram-negative bacteria, with C. superba extract being the most active. Following exposure to the leaf extracts, morphological changes in the bacteria were observed, including the formation of aggregates, EPS synthesis, irregular forms, wrinkled cell surfaces, pores in the cell wall, and shriveling of cells. The leaf extracts inhibited DNA synthesis in E. coli cells by suppressing DNA gyrase activity.
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Affiliation(s)
- Magdalena Efenberger-Szmechtyk
- Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Wolczanska 171/173, 90-924 Lodz, Poland.
| | - Agnieszka Nowak
- Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Wolczanska 171/173, 90-924 Lodz, Poland.
| | - Agata Czyżowska
- Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Wolczanska 171/173, 90-924 Lodz, Poland.
| | - Monika Śniadowska
- Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Wolczanska 171/173, 90-924 Lodz, Poland.
| | - Anna Otlewska
- Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Wolczanska 171/173, 90-924 Lodz, Poland.
| | - Dorota Żyżelewicz
- Institute of Food Technology and Analysis, Lodz University of Technology, Stefanowskiego 4/10, 90-924 Lodz, Poland.
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31
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GREGÓRIO A, GALHARDO D, SEREIA MJ, WIELEWSKI P, GAVAZZONI L, SANTOS IFD, SANGALETI GSSGMG, CARDOSO EC, BORTOTI TL, ZANATTA LA, GONÇALVES LM, SUZIN MA, SANTOS AA, TOLEDO VDAAD. Antimicrobial activity, physical-chemical and activity antioxidant of honey samples of Apis mellifera from different regions of Paraná, Southern Brazil. FOOD SCIENCE AND TECHNOLOGY 2021. [DOI: 10.1590/fst.32820] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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32
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Ibrahim H, Aoussar N, Mhand RA, Rhallabi N, Oili AD, Mellouki F. In vitro antioxidant and antistaphylococcal properties of leaf extracts of Ocotea comorensis Kosterm (Lauraceae). BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2021. [DOI: 10.1016/j.bcab.2020.101892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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33
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Aditya A, Peng M, Young A, Biswas D. Antagonistic Mechanism of Metabolites Produced by Lactobacillus casei on Lysis of Enterohemorrhagic Escherichia coli. Front Microbiol 2020; 11:574422. [PMID: 33329433 PMCID: PMC7719638 DOI: 10.3389/fmicb.2020.574422] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 10/26/2020] [Indexed: 11/13/2022] Open
Abstract
Enhancing extracellular metabolic byproducts of probiotics is one of the promising strategies to improve overall host health as well as to control enteric infections caused by various foodborne pathogens. However, the underlying mechanism of action of those metabolites and their effective concentrations are yet to be established. In this study, we determined the antibacterial potential of the metabolites in the cell-free culture supernatant (CFCS) collected from wild-type Lactobacillus casei (LCwt) and genetically modified LC to overexpress linoleate isomerase (LCCLA). We also evaluated the mechanism of action of CFCSs collected from the culture of LCwt in the presence or absence of 0.5% peanut flour (CFCSwt and CFCSwt+PF, respectively) and LCCLA alone (CFCSCLA) against enterohemorrhagic Escherichia coli (EHEC). The metabolites present in CFCSwt+PF and CFCSCLA eliminated EHEC within 24 and 48 h, respectively. Whereas CFCSwt failed to eliminate EHEC but reduced their growth by 6.7 logs (p < 0.05) as compared to the control. Significant downregulation of the expression of cell division gene, ftsZ, supported the observed degree of bactericidal and bacteriostatic properties of the collected CFCSs. Upregulation of EHEC genes related to maintaining cell membrane integrity, DNA damage repair, and molecular chaperons indicated an intensive stress condition imposed by the total metabolites present in CFCSs on EHEC growth and cellular structures. A range of deviated morphological features provoked by the metabolites indicated a membrane-targeted action, in general, to compromise the membrane permeability of EHEC. The information obtained from this study may contribute to a more efficient prevention of EHEC related infections.
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Affiliation(s)
- Arpita Aditya
- Department of Animal and Avian Sciences, University of Maryland, College Park, College Park, MD, United States
| | - Mengfei Peng
- Department of Animal and Avian Sciences, University of Maryland, College Park, College Park, MD, United States
| | - Alana Young
- Department of Animal and Avian Sciences, University of Maryland, College Park, College Park, MD, United States
| | - Debabrata Biswas
- Department of Animal and Avian Sciences, University of Maryland, College Park, College Park, MD, United States.,Biological Sciences Program, University of Maryland, College Park, College Park, MD, United States.,Centre for Food Safety and Security Systems, University of Maryland, College Park, College Park, MD, United States
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34
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Ramón-Sierra JM, Villanueva MA, Rodríguez-Mendiola M, Reséndez-Pérez D, Ortiz-Vázquez E, Arias-Castro C. Characterization of a non-glycosylated fraction from honey proteins of Melipona beecheii with antimicrobial activity against Escherichia coli O157:H7. J Appl Microbiol 2020; 130:1913-1924. [PMID: 33151599 DOI: 10.1111/jam.14921] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 10/28/2020] [Accepted: 11/02/2020] [Indexed: 01/27/2023]
Abstract
AIMS To analyse the non-glycosylated protein fraction from Melipona beecheii honey for antimicrobial activity against Escherichia coli O157:H7. METHODS AND RESULTS The proteins from M. beecheii honey were separated according to their degree of glycosylation using Concanavalin A-affinity chromatography. The total protein extract and its fractions were analysed by 1D and 2D electrophoresis. We also determined the antimicrobial and antihaemolytic activities of the total protein extract and the non-glycosylated fraction. Furthermore, we evaluated the effect of this non-glycosylated fraction for the expression of the Stx1, Stx2, EAE and HlyA pathogen genes. Melipona beecheii honey contained at least 24 proteins with molecular weights ranging between 7·6 and 95 kDa and isoelectric points between 3 and 10, three proteins from the 24 are non-glycosylated. The non-glycosylated fraction had an MIC90 of 1·128 µg ml-1 , and this fraction inhibited the haemolytic activity of the pathogen, as well as reduced the expression of Stx1, Stx2 and HlyA. The MbF1-2 protein from the non-glycosylated fraction was sequenced and identified as a homologue of the royal jelly-like protein of Melipona quadrifasciata. CONCLUSIONS The non-glycosylated protein fraction from M. beecheii honey greatly contributes to antibacterial activity and it is composed of at least three proteins, of which MbF1-2 provided over 50% of the antimicrobial activity. SIGNIFICANCE AND IMPACT OF THE STUDY The study showed significant antimicrobial activity from several proteins present in the honey of M. beecheii. Interestingly, the non-glycosylated protein fraction demonstrated antihaemolytic activity and adversely affected the expression of virulence genes in Escherichia coli O157:H7; these proteins have the potential to be used in developing therapeutic agents against this bacterium.
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Affiliation(s)
- J M Ramón-Sierra
- Tecnológico Nacional de México/ITTlajomulco, Tlajomulco de Zúñiga Jalisco, México.,Tecnológico Nacional de México/ITMérida, Yucatán, México
| | - M A Villanueva
- Instituto de Ciencias del Mar y Limnología, Unidad Académica de Sistemas Arrecifales, Universidad Nacional Autónoma de México, Puerto Morelos, Mexico
| | - M Rodríguez-Mendiola
- Tecnológico Nacional de México/ITTlajomulco, Tlajomulco de Zúñiga Jalisco, México
| | - D Reséndez-Pérez
- Departamento de Biología Celular y Genética Facultad de Ciencias Biológicas, Unidad de Biología del Desarrollo del Laboratorio Inmunología y Virología, San Nicolás de los Garza, México
| | | | - C Arias-Castro
- Tecnológico Nacional de México/ITTlajomulco, Tlajomulco de Zúñiga Jalisco, México
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35
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Majkut M, Kwiecińska-Piróg J, Wszelaczyńska E, Pobereżny J, Gospodarek-Komkowska E, Wojtacki K, Barczak T. Antimicrobial activity of heat-treated Polish honeys. Food Chem 2020; 343:128561. [PMID: 33267984 DOI: 10.1016/j.foodchem.2020.128561] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 10/12/2020] [Accepted: 11/01/2020] [Indexed: 12/23/2022]
Abstract
Bactericidal properties of honey depend on botanical and geographical origin, where thermal treatment can have a significant affect. The aim of this study was to investigate the effect of temperature on minimum bactericidal concentration (MBC), vitamin C content, total polyphenols content and antioxidant capacity of ferric reducing antioxidant potential (FRAP) of several nectar honey varieties from northern Poland (lime, rapeseed, multifloral and buckwheat). The honeys were subjected to thermal treatment at 22 °C, 42 °C, 62 °C, 82 °C and 100 °C for two exposure times. The results showed a significant reduction of antimicrobial properties (MBC ⩾50%) at 82 °C and 62 °C after 15 and 120 min exposure time for most samples. Short time exposure reduced vitamin C content (⩽50 %) but increased total polyphenols content (⩾27%) and FRAP value (⩾106%).
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Affiliation(s)
- Michał Majkut
- UTP University of Science and Technology, Department of Biology and Animal Environment, Mazowiecka 28, 85-084 Bydgoszcz, Poland
| | - Joanna Kwiecińska-Piróg
- Nicolaus Copernicus University in Toruń, L. Rydygier Collegium Medicum in Bydgoszcz, Department of Microbiology, Skłodowska-Curie 9 M., 85-094 Bydgoszcz, Poland
| | - Elżbieta Wszelaczyńska
- UTP University of Science and Technology, Department of Food Technology, Kordeckiego 20, 85-225 Bydgoszcz, Poland
| | - Jarosław Pobereżny
- UTP University of Science and Technology, Department of Food Technology, Kordeckiego 20, 85-225 Bydgoszcz, Poland
| | - Eugenia Gospodarek-Komkowska
- Nicolaus Copernicus University in Toruń, L. Rydygier Collegium Medicum in Bydgoszcz, Department of Microbiology, Skłodowska-Curie 9 M., 85-094 Bydgoszcz, Poland
| | - Kajetan Wojtacki
- Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawińskiego 5B, 02-106, Warsaw, Poland
| | - Tadeusz Barczak
- UTP University of Science and Technology, Department of Biology and Animal Environment, Mazowiecka 28, 85-084 Bydgoszcz, Poland.
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Combarros-Fuertes P, Fresno JM, Estevinho MM, Sousa-Pimenta M, Tornadijo ME, Estevinho LM. Honey: Another Alternative in the Fight against Antibiotic-Resistant Bacteria? Antibiotics (Basel) 2020; 9:antibiotics9110774. [PMID: 33158063 PMCID: PMC7694208 DOI: 10.3390/antibiotics9110774] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 10/31/2020] [Accepted: 11/02/2020] [Indexed: 02/06/2023] Open
Abstract
Antibacterial resistance has become a challenging situation worldwide. The increasing emergence of multidrug-resistant pathogens stresses the need for developing alternative or complementary antimicrobial strategies, which has led the scientific community to study substances, formulas or active ingredients used before the antibiotic era. Honey has been traditionally used not only as a food, but also with therapeutic purposes, especially for the topical treatment of chronic-infected wounds. The intrinsic characteristics and the complex composition of honey, in which different substances with antimicrobial properties are included, make it an antimicrobial agent with multiple and different target sites in the fight against bacteria. This, together with the difficulty to develop honey-resistance, indicates that it could become an effective alternative in the treatment of antibiotic-resistant bacteria, against which honey has already shown to be effective. Despite all of these assets, honey possesses some limitations, and has to fulfill a number of requirements in order to be used for medical purposes.
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Affiliation(s)
- Patricia Combarros-Fuertes
- Department of Food Hygiene and Technology, Faculty of Veterinary Science, University of León, Campus de Vegazana, 24071 León, Spain; (P.C.-F.); (J.M.F.); (M.E.T.)
| | - José M. Fresno
- Department of Food Hygiene and Technology, Faculty of Veterinary Science, University of León, Campus de Vegazana, 24071 León, Spain; (P.C.-F.); (J.M.F.); (M.E.T.)
| | - Maria Manuela Estevinho
- Department of Biomedicine, Unit of Pharmacology and Therapeutics, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal;
| | - Mário Sousa-Pimenta
- Department of Onco-Hematology, Portuguese Institute of Oncology of Porto (IPO-Porto), 4200-072 Porto, Portugal;
| | - M. Eugenia Tornadijo
- Department of Food Hygiene and Technology, Faculty of Veterinary Science, University of León, Campus de Vegazana, 24071 León, Spain; (P.C.-F.); (J.M.F.); (M.E.T.)
| | - Leticia M. Estevinho
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, 5300-252 Bragança, Portugal
- Correspondence: ; Tel.: +351-273303342
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Nolan VC, Harrison J, Wright JEE, Cox JAG. Clinical Significance of Manuka and Medical-Grade Honey for Antibiotic-Resistant Infections: A Systematic Review. Antibiotics (Basel) 2020; 9:antibiotics9110766. [PMID: 33142845 PMCID: PMC7693943 DOI: 10.3390/antibiotics9110766] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 10/29/2020] [Accepted: 10/30/2020] [Indexed: 01/22/2023] Open
Abstract
Antimicrobial resistance is an ever-increasing global issue that has the potential to overtake cancer as the leading cause of death worldwide by 2050. With the passing of the "golden age" of antibiotic discovery, identifying alternative treatments to commonly used antimicrobials is more important than ever. Honey has been used as a topical wound treatment for millennia and more recently has been formulated into a series of medical-grade honeys for use primarily for wound and burn treatment. In this systematic review, we examined the effectiveness of differing honeys as an antimicrobial treatment against a variety of multidrug-resistant (MDR) bacterial species. We analysed 16 original research articles that included a total of 18 different types of honey against 32 different bacterial species, including numerous MDR strains. We identified that Surgihoney was the most effective honey, displaying minimum inhibitory concentrations as low as 0.1% (w/v); however, all honeys reviewed showed a high efficacy against most bacterial species analysed. Importantly, the MDR status of each bacterial strain had no impact on the susceptibility of the organism to honey. Hence, the use of honey as an antimicrobial therapy should be considered as an alternative approach for the treatment of antibiotic-resistant infections.
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Affiliation(s)
- Victoria C. Nolan
- College of Health and Life Sciences, Aston University, Aston Triangle, Birmingham B4 7ET, UK; (V.C.N.); (J.H.)
| | - James Harrison
- College of Health and Life Sciences, Aston University, Aston Triangle, Birmingham B4 7ET, UK; (V.C.N.); (J.H.)
| | - John E. E. Wright
- Department of Intensive Care Medicine, Great Western Hospital NHS Foundation Trust, Swindon SN3 6BB, UK;
| | - Jonathan A. G. Cox
- College of Health and Life Sciences, Aston University, Aston Triangle, Birmingham B4 7ET, UK; (V.C.N.); (J.H.)
- Correspondence: ; Tel.: +44-121-204-5011
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Abstract
AbstractThis paper presents the effect of polyphenols on microorganisms inhabiting the human gastrointestinal tract (mainly bacteria belonging to the Lactobacillus genus) and pathogenic microorganisms classified as the most common food contaminants. Plant secondary metabolites have the ability to modulate the growth of many microorganisms. Due to the metabolic changes induced by their presence in the environment, many pathogenic microorganisms are unable to grow, which in turn cause a significant reduction in their pathogenic potential. These processes include primarily the induction of ruptures in the cell membrane and disturbance of cell respiration. Often, the lack of integrity of cell membranes also leads to the disturbance of intracellular homeostasis and leakage of cellular components, such as proteins, ATP molecules or intracellular ions. Autoxidizing polyphenols also act as pro-oxidative substances. Hydrogen peroxide formed in the process of oxidation of polyphenolic compounds acts as a bactericidal substance (by induction of DNA breaks). With regard to intestinal microbiota, polyphenols are considered prebiotic substances that increase the number of commensal bacteria. They can positively influence the growth of Lactobacillus bacteria, which have the ability to metabolize undigested antioxidants in the digestive tract of humans and animals. Depending on the pH of the environment and the presence of ions, plant polyphenols in the human digestive tract can act as substances with antioxidant potential or become pro-oxidants. Thus, combining functional food with polyphenols and Lactobacillus bacteria not only protects food products against the development of undesirable and pathogenic microbiota, but also has a positive effect on human health. The paper also describes the possibility of changes in the genome of Lactobacillus bacteria (under the influence of polyphenols) and the influence of Lactobacillus spp. bacteria on the antimicrobial properties of polyphenols. The enzymatic abilities of bacteria of the genus Lactobacillus, which influence the transformation of polyphenolic compounds, were also described.
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Syed Yaacob SN, Wahab RA, Huyop F, Lani MN, Zin NM. Morphological alterations in gram-positive and gram-negative bacteria exposed to minimal inhibitory and bactericidal concentration of raw Malaysian stingless bee honey. BIOTECHNOL BIOTEC EQ 2020. [DOI: 10.1080/13102818.2020.1788421] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Affiliation(s)
| | - Roswanira Abdul Wahab
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, Skudai, Johor, Malaysia
| | - Fahrul Huyop
- Department of Bioscience, Faculty of Science, Universiti Teknologi Malaysia, UTM Johor Bahru, Johor Bahru, Johor, Malaysia
| | - Mohd Nizam Lani
- Faculty of Fisheries and Food Science, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu, Malaysia
| | - Noraziah Mohamad Zin
- Programme of Biomedical Science, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
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40
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Boling L, Cuevas DA, Grasis JA, Kang HS, Knowles B, Levi K, Maughan H, McNair K, Rojas MI, Sanchez SE, Smurthwaite C, Rohwer F. Dietary prophage inducers and antimicrobials: toward landscaping the human gut microbiome. Gut Microbes 2020; 11:721-734. [PMID: 31931655 PMCID: PMC7524278 DOI: 10.1080/19490976.2019.1701353] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
The approximately 1011 viruses and microbial cells per gram of fecal matter (dry weight) in the large intestine are important to human health. The responses of three common gut bacteria species, and one opportunistic pathogen, to 117 commonly consumed foods, chemical additives, and plant extracts were tested. Many compounds, including Stevia rebaudiana and bee propolis extracts, exhibited species-specific growth inhibition by prophage induction. Overall, these results show that various foods may change the abundances of gut bacteria by modulating temperate phage and suggests a novel path for landscaping the human gut microbiome.
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Affiliation(s)
- Lance Boling
- Department of Biology, San Diego State University, San Diego, CA, USA,CONTACT Lance Boling Department of Biology, San Diego State University, LS301, 5500 Campanile Dr, San Diego, CA92182USA
| | - Daniel A. Cuevas
- Computational Sciences Research Center, San Diego State University, San Diego, CA, USA
| | - Juris A. Grasis
- Department of Biology, San Diego State University, San Diego, CA, USA
| | - Han Suh Kang
- Department of Biology, San Diego State University, San Diego, CA, USA
| | - Ben Knowles
- Department of Biology, San Diego State University, San Diego, CA, USA
| | - Kyle Levi
- Department of Computer Science, San Diego State University, San Diego, CA, USA
| | | | - Katelyn McNair
- Department of Biology, San Diego State University, San Diego, CA, USA,Department of Computer Science, San Diego State University, San Diego, CA, USA
| | | | | | | | - Forest Rohwer
- Department of Biology, San Diego State University, San Diego, CA, USA
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Characterizing the Mechanism of Action of an Ancient Antimicrobial, Manuka Honey, against Pseudomonas aeruginosa Using Modern Transcriptomics. mSystems 2020; 5:5/3/e00106-20. [PMID: 32606022 PMCID: PMC7329319 DOI: 10.1128/msystems.00106-20] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Manuka honey has broad-spectrum antimicrobial activity, and unlike traditional antibiotics, resistance to its killing effects has not been reported. However, its mechanism of action remains unclear. Here, we investigated the mechanism of action of manuka honey and its key antibacterial components using a transcriptomic approach in a model organism, Pseudomonas aeruginosa We show that no single component of honey can account for its total antimicrobial action, and that honey affects the expression of genes in the SOS response, oxidative damage, and quorum sensing. Manuka honey uniquely affects genes involved in the explosive cell lysis process and in maintaining the electron transport chain, causing protons to leak across membranes and collapsing the proton motive force, and it induces membrane depolarization and permeabilization in P. aeruginosa These data indicate that the activity of manuka honey comes from multiple mechanisms of action that do not engender bacterial resistance.IMPORTANCE The threat of antimicrobial resistance to human health has prompted interest in complex, natural products with antimicrobial activity. Honey has been an effective topical wound treatment throughout history, predominantly due to its broad-spectrum antimicrobial activity. Unlike traditional antibiotics, honey-resistant bacteria have not been reported; however, honey remains underutilized in the clinic in part due to a lack of understanding of its mechanism of action. Here, we demonstrate that honey affects multiple processes in bacteria, and this is not explained by its major antibacterial components. Honey also uniquely affects bacterial membranes, and this can be exploited for combination therapy with antibiotics that are otherwise ineffective on their own. We argue that honey should be included as part of the current array of wound treatments due to its effective antibacterial activity that does not promote resistance in bacteria.
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A current perspective on hydrogen peroxide production in honey. A review. Food Chem 2020; 332:127229. [PMID: 32688187 DOI: 10.1016/j.foodchem.2020.127229] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 05/28/2020] [Accepted: 06/01/2020] [Indexed: 02/06/2023]
Abstract
Hydrogen peroxide plays a key role in honey antibacterial activity. The production of H2O2 in honey requires glucose oxidase (GOx) that oxidizes glucose to gluconolactone and reduces molecular oxygen to hydrogen peroxide. The content of GOx of honeybee origin was believed to be the main predictor of H2O2 concentration in honey. The observed variations in H2O2 levels among honeys questioned however the direct GOx-H2O2 relationship and left its absence opened for exploration. Here, we evaluated principal causes underlying the imbalance in the quantitative enzyme-product relationship with respect to: (a) enzyme and the product inactivation or destruction by honey compounds; (b) non-enzymatic pathway of H2O2 formation, and (c) a potential contribution of enzymes with GOx activity originating from nectars and microorganisms inhabiting honey. We also bring new facts on the relationship between honey colloidal structure and H2O2 production that change our traditional understanding of honey function as antimicrobial agent.
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Geospatial Investigation of Nigerian Honey and Detection of Anti-Enteric Biomarker. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:9817673. [PMID: 32419836 PMCID: PMC7206874 DOI: 10.1155/2020/9817673] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Accepted: 03/27/2020] [Indexed: 12/05/2022]
Abstract
Geospatial mapping and antibacterial biomarkers were investigated in Nigerian honey used for therapeutic purposes in several communities affected with prevalent antibiotic-resistant enteric bacilli. Randomly collected enteric bacilli from faecal samples were biotyped and phenotypically assayed for antibiotic resistance and profiled for R plasmids. R plasmid molecular weight and multiantibiotic resistance index (MARI) relatedness were evaluated for resistance among phylogroups. Honey cidal activity, time kill kinetics, and bioactive markers were determined and analysed for geospatial distribution. More than 30% enteric biotypes were resistant to cotrimoxazole, ciprofloxacin, and tetracycline at MIC ≥16 μg/ml (P=0.004). Two unrelated cluster complexes with diverse antibiotic resistance indices expressed high molecular weight plasmid (14.17 kbp) with 0.73 MARI to two classes of antibiotics. Among the resistant bacilli, only 24.3% (MIC90 500 mg/mL) and 8.1% (MBC90 1000 mg/mL) were susceptible to honey with evidence of 14.85% and 5.94% significant viable reduction at 2 × MIC to less than 2.50 Log10 CFU/mL (P < 0.05). Only alkaloids significantly regressed (P=0.028) with susceptibility of resistant bacilli significantly correlate with bacteria inhibition (r = 0.534, P=0.049) at optimal cutoff limit of 0.32 mg/ml. Antibacterial honey with significant alkaloid biomarkers was detected at 3°10′0–3°30′0E and 6°30′0–7°30′0N of Southwest Nigeria. Spatial mapping evidently indicated variation in honey physicochemical and bioactive compounds and identified geographical locations suitable for production of anti-enteric honey rich in alkaloids marker required for prevention and treatment of resistant enteric bacilli infections.
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Efenberger-Szmechtyk M, Nowak A, Czyzowska A. Plant extracts rich in polyphenols: antibacterial agents and natural preservatives for meat and meat products. Crit Rev Food Sci Nutr 2020; 61:149-178. [PMID: 32043360 DOI: 10.1080/10408398.2020.1722060] [Citation(s) in RCA: 138] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Plant extracts contain large amounts of bioactive compounds, mainly polyphenols. Polyphenols inhibit the growth of microorganisms, especially bacteria. Their mechanism of action is still not fully understood but may be related to their chemical structure. They can cause morphological changes in microorganisms, damage bacterial cell walls and influence biofilm formation. Polyphenols also influence protein biosynthesis, change metabolic processes in bacteria cells and inhibit ATP and DNA synthesis (suppressing DNA gyrase). Due to the antioxidant and antibacterial activity of phenolic compounds, plant extracts offer an alternative to chemical preservatives used in the meat industry, especially nitrates (III). They can inhibit the growth of spoilage and pathogenic microflora, suppress oxidation of meat ingredients (lipids and proteins) and prevent discoloration. In this paper, we describe the factors that influence the content of polyphenols in plants and plant extracts. We present the antimicrobial activities of plant extracts and their mechanisms of action, and discuss the effects of plant extracts on the shelf-life of meat and meat products.
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Affiliation(s)
| | - Agnieszka Nowak
- Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Lodz, Poland
| | - Agata Czyzowska
- Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Lodz, Poland
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45
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Cebrero G, Sanhueza O, Pezoa M, Báez ME, Martínez J, Báez M, Fuentes E. Relationship among the minor constituents, antibacterial activity and geographical origin of honey: A multifactor perspective. Food Chem 2020; 315:126296. [PMID: 32014663 DOI: 10.1016/j.foodchem.2020.126296] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 12/04/2019] [Accepted: 01/24/2020] [Indexed: 12/30/2022]
Abstract
Some minor constituents of honey samples were determined through a fluorometric-chemical characterization method and related multifactorially with their antibacterial activity against Staphylococcus aureus and Pseudomonas aeruginosa and with their geographical origin. Rotated principal component analysis identified five significant components in honey: three related to antibacterial activity and linked to phenolic compounds; Maillard products; proteins; the concentration of H2O2 at 3 and 24 h of incubation; and a tyrosine-containing entity. On the other hand, five constituents (phenolic compounds were the most relevant) allowed the classification of honey samples by geographical origin with 87% certainty. The results showed that phenolic compounds and Maillard products are related to the sustained production of H2O2 over time, which in turn boosts the antibacterial activity of honey. Native flora could promote this capability. The results showed the effect of geographic origin on the content of the analyzed minor constituents of honey, particularly phenolic compounds.
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Affiliation(s)
- Gonzalo Cebrero
- Departamento de Química Inorgánica y Analítica, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
| | - Oscar Sanhueza
- Departamento de Química Inorgánica y Analítica, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
| | - Matías Pezoa
- Departamento de Química Inorgánica y Analítica, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
| | - María E Báez
- Departamento de Química Inorgánica y Analítica, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
| | - Jessica Martínez
- Centro de Medicina Regenerativa, Facultad de Medicina Clínica Alemana, Universidad del Desarrollo, Santiago, Chile
| | - Mauricio Báez
- Departamento de Bioquímica y Biología Molecular, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile
| | - Edwar Fuentes
- Departamento de Química Inorgánica y Analítica, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago, Chile.
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46
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Godocikova J, Bugarova V, Kast C, Majtan V, Majtan J. Antibacterial potential of Swiss honeys and characterisation of their bee-derived bioactive compounds. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2020; 100:335-342. [PMID: 31584691 DOI: 10.1002/jsfa.10043] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 09/04/2019] [Accepted: 09/16/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND Antibacterial activity of honey is not only crucial characteristic in selection of honey for medical usage but also an important honey quality marker. The aim of the study was to characterise the antibacterial potential of 29 honey samples representing the main types of multi-floral blossom and honeydew honeys produced in Switzerland. Antibacterial activity against Staphylococcus aureus and Pseudomonas aeruginosa was expressed as a minimum inhibitory and bactericidal concentrations (MIC and MBC). Furthermore, the content of bee-derived glucose oxidase (GOX) and its enzymatic product, H2 O2 , were also evaluated. RESULTS All honey samples successfully met basic defined criteria (moisture and hydroxymethylfurfural (HMF)) tested in this study. Honeydew honeys were the most effective honey samples and generated the highest levels of H2 O2 . A strong significant correlation was found between the overall antibacterial activity and the level of H2 O2 among all honey samples. Interestingly, the content of GOX in honey samples did not correlate with their antibacterial activity as well as H2 O2 production capacity. A weak antibacterial activity was determined in five floral honeys, most likely due to increased enzymatic activity of pollen-derived catalase. CONCLUSION This study showed that antibacterial effect of Swiss honey samples is associated mainly with H2 O2 . © 2019 Society of Chemical Industry.
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Affiliation(s)
- Jana Godocikova
- Laboratory of Apidology and Apitherapy, Department of Microbial Genetics, Institute of Molecular Biology, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Veronika Bugarova
- Laboratory of Apidology and Apitherapy, Department of Microbial Genetics, Institute of Molecular Biology, Slovak Academy of Sciences, Bratislava, Slovakia
| | | | - Viktor Majtan
- Department of Microbiology, Faculty of Medicine, Slovak Medical University, Bratislava, Slovakia
| | - Juraj Majtan
- Laboratory of Apidology and Apitherapy, Department of Microbial Genetics, Institute of Molecular Biology, Slovak Academy of Sciences, Bratislava, Slovakia
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47
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Liang Y, Zhang L, Qu Y, Li H, Shi B. Antibacterial activity of buckwheat honey added with ferrous lactate against Pseudomonas aeruginosa. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2019.108624] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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48
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Nolan VC, Harrison J, Cox JAG. Dissecting the Antimicrobial Composition of Honey. Antibiotics (Basel) 2019; 8:E251. [PMID: 31817375 PMCID: PMC6963415 DOI: 10.3390/antibiotics8040251] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 11/29/2019] [Accepted: 12/03/2019] [Indexed: 01/22/2023] Open
Abstract
Honey is a complex sweet food stuff with well-established antimicrobial and antioxidant properties. It has been used for millennia in a variety of applications, but the most noteworthy include the treatment of surface wounds, burns and inflammation. A variety of substances in honey have been suggested as the key component to its antimicrobial potential; polyphenolic compounds, hydrogen peroxide, methylglyoxal and bee-defensin 1. These components vary greatly across honey samples due to botanical origin, geographical location and secretions from the bee. The use of medical grade honey in the treatment of surface wounds and burns has been seen to improve the healing process, reduce healing time, reduce scarring and prevent microbial contamination. Therefore, if medical grade honeys were to be included in clinical treatment, it would reduce the demand for antibiotic usage. In this review, we outline the constituents of honey and how they affect antibiotic potential in a clinical setting. By identifying the key components, we facilitate the development of an optimally antimicrobial honey by either synthetic or semisynthetic production methods.
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Affiliation(s)
| | | | - Jonathan A. G. Cox
- School of Life and Health Sciences, Aston University, Aston Triangle, Birmingham B4 7ET, UK; (V.C.N.); (J.H.)
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49
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Mokaya HO, Bargul JL, Irungu JW, Lattorff HMG. Bioactive constituents, in vitro radical scavenging and antibacterial activities of selected Apis mellifera honey from Kenya. Int J Food Sci Technol 2019; 55:1246-1254. [PMID: 33071471 PMCID: PMC7540667 DOI: 10.1111/ijfs.14403] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 09/30/2019] [Indexed: 12/30/2022]
Abstract
There is limited information about the relative composition and health benefits of various honey consumed across Africa. This study aimed at estimating the bioactive constituents, in vitro radical scavenging and antibacterial activities of 16 kinds of honey obtained from different geographical locations in Kenya. Manuka 5 + honey was included for comparison. Some of the tested honey had biochemicals and bioactivities similar to or higher than Manuka 5 + honey. The honey exhibited DPPH radical scavenging ability, with several types of honey showing superior scavenging potential than Manuka 5 + honey, owing to their high phenol content. All types of honey inhibited the growth of E. coli and further showed a substantial amount of nonperoxide antimicrobial activity. The geographical origin of honey had an influence on its bioactive contents. Overall, these findings suggest that Kenyan honey has great therapeutic potential, and thus, its clinical application should not be overlooked.
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Affiliation(s)
- Hosea O Mokaya
- International Centre of Insect Physiology and Ecology (icipe) P.O. Box 30772-00100 Nairobi Kenya.,Biochemistry Department Jomo Kenyatta University of Agriculture and Technology P.O. Box 62000-00200 Nairobi Kenya
| | - Joel L Bargul
- International Centre of Insect Physiology and Ecology (icipe) P.O. Box 30772-00100 Nairobi Kenya.,Biochemistry Department Jomo Kenyatta University of Agriculture and Technology P.O. Box 62000-00200 Nairobi Kenya
| | - Janet W Irungu
- International Centre of Insect Physiology and Ecology (icipe) P.O. Box 30772-00100 Nairobi Kenya
| | - Hans Michael G Lattorff
- International Centre of Insect Physiology and Ecology (icipe) P.O. Box 30772-00100 Nairobi Kenya.,German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig Deutscher Platz 5e 04103 Leipzig Germany.,Naturwissenschaftliche Fakultät I Martin-Luther-Universität Halle-Wittenberg 06099 Halle (Saale) Germany
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50
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Martinotti S, Bucekova M, Majtan J, Ranzato E. Honey: An Effective Regenerative Medicine Product in Wound Management. Curr Med Chem 2019; 26:5230-5240. [DOI: 10.2174/0929867325666180510141824] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 04/09/2018] [Accepted: 04/10/2018] [Indexed: 12/12/2022]
Abstract
:Honey has successfully been used in the treatment of a broad spectrum of injuries including burns and non-healing wounds. It acts as an antibacterial and anti-biofilm agent with anti/pro-inflammatory properties. However, besides these traditional properties, recent evidence suggests that honey is also an immunomodulator in wound healing and contains several bee and plant-derived components that may speed up wound healing and tissue regeneration process. Identifying their exact mechanism of action allows better understanding of honey healing properties and promotes its wider translation into clinical practice.:This review will discuss the physiological basis for the use of honey in wound management, its current clinical uses, as well as the potential role of honey bioactive compounds in dermal regenerative medicine and tissue re-modeling.
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Affiliation(s)
- Simona Martinotti
- DiSIT-Dipartimento di Scienze e Innovazione Tecnologica, University of Piemonte Orientale, Viale Teresa Michel 11, Alessandria, 15121, Italy
| | - Marcela Bucekova
- Laboratory of Apidology and Apitherapy, Institute of Molecular Biology, Slovak Academy of Sciences, Dubravska cesta 21, 845 51, Bratislava, Slovakia
| | - Juraj Majtan
- Laboratory of Apidology and Apitherapy, Institute of Molecular Biology, Slovak Academy of Sciences, Dubravska cesta 21, 845 51, Bratislava, Slovakia
| | - Elia Ranzato
- DiSIT-Dipartimento di Scienze e Innovazione Tecnologica, University of Piemonte Orientale, Piazza Sant'Eusebio 5, Vercelli, 13100, Italy
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