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Boone SA, Ijaz MK, Bright KR, Silva-Beltran NP, Nims RW, McKinney J, Gerba CP. Antiviral Natural Products, Their Mechanisms of Action and Potential Applications as Sanitizers and Disinfectants. FOOD AND ENVIRONMENTAL VIROLOGY 2023; 15:265-280. [PMID: 37906416 DOI: 10.1007/s12560-023-09568-x] [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: 03/20/2023] [Accepted: 09/29/2023] [Indexed: 11/02/2023]
Abstract
Plant extracts, natural products and plant oils contain natural virucidal actives that can be used to replace active ingredients in commercial sanitizers and disinfectants. This review focuses on the virucidal mechanisms of natural substances that may exhibit potential for indoor air and fomite disinfection. Review of scientific studies indicates: (1) most natural product studies use crude extracts and do not isolate or identify exact active antiviral substances; (2) many natural product studies contain unclear explanations of virucidal mechanisms of action; (3) natural product evaluations of virucidal activity should include methods that validate efficacy under standardized disinfectant testing procedures (e.g., carrier tests on applicable surfaces or activity against aerosolized viruses, etc.). The development of natural product disinfectants requires a better understanding of the mechanisms of action (MOA), chemical profiles, compound specificities, activity spectra, and the chemical formulations required for maximum activity. Combinations of natural antiviral substances and possibly the addition of synthetic compounds might be needed to increase inactivation of a broader spectrum of viruses, thereby providing the required efficacy for surface and air disinfection.
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Affiliation(s)
- Stephanie A Boone
- Department of Environmental Science, University of Arizona, Tucson, AZ, USA.
| | - M Khalid Ijaz
- Global Research & Development for Lysol and Dettol, Reckitt Benckiser LLC, Montvale, NJ, USA
| | - Kelly R Bright
- Department of Environmental Science, University of Arizona, Tucson, AZ, USA
| | | | | | - Julie McKinney
- Global Research & Development for Lysol and Dettol, Reckitt Benckiser LLC, Montvale, NJ, USA
| | - Charles P Gerba
- Department of Environmental Science, University of Arizona, Tucson, AZ, USA
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Bhowmick S, Saha A, AlFaris NA, ALTamimi JZ, ALOthman ZA, Aldayel TS, Wabaidur SM, Islam MA. Identification of potent food constituents as SARS-CoV-2 papain-like protease modulators through advanced pharmacoinformatics approaches. J Mol Graph Model 2021; 111:108113. [PMID: 34959151 PMCID: PMC8688376 DOI: 10.1016/j.jmgm.2021.108113] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 12/05/2021] [Accepted: 12/18/2021] [Indexed: 12/15/2022]
Abstract
The current ongoing pandemic of COVID-19 urges immediate treatment measures for controlling the highly contagious SARS-CoV-2 infections. The papain-like protease (PLpro), which is released from nsp3, is presently being evaluated as a significant anti-viral drug target for COVID-19 therapy development. Particularly, PLpro is implicated in the cleavage of viral polyproteins and antagonizes the host innate immune response through its deubiquitinating and deISGylating actions, thus making it a high-profile antiviral therapeutic target. The present study reports a few specific food compounds that can bind tightly with the SARS-CoV-2 PLpro protein identified through extensive computational screening techniques. Precisely, extensive advanced computational approaches combining target-based virtual screening, particularly employing sub-structure based similarity search, molecular docking, molecular dynamics (MD) simulations, and MM-GBSA based binding free energy calculations have been employed for the identification of the most promising food compounds with substantial functional implications as SARS-CoV-2 PLpro protein inhibitors/modulators. Observations from the present research investigation also provide a deeper understanding of the binding modes of the proposed four food compounds with SARS-CoV-2 PLpro protein. In docking analyses, all compounds have established essential inter-molecular interaction profiles at the active site cavity of the SARS-CoV-2 PLpro protein. Similarly, the long-range 100 ns conventional MD simulation studies also provided an in-depth understanding of probable interactions and dynamic behaviour of the SARS-CoV-2 PLpro protein-food compound complexes. Binding free energies of all molecular systems revealed a strong interaction affinity of food compounds towards the SARS-CoV-2 PLpro protein. Moreover, clear-cut comparative analyses against the known standard inhibitor also suggest that proposed food compounds may act as potential active chemical entities for modulating the action of the SARS-CoV-2 PLpro protein.
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Affiliation(s)
- Shovonlal Bhowmick
- Department of Chemical Technology, University of Calcutta, 92, A.P.C. Road, Kolkata, 700009, India
| | - Achintya Saha
- Department of Chemical Technology, University of Calcutta, 92, A.P.C. Road, Kolkata, 700009, India.
| | - Nora Abdullah AlFaris
- Nutrition and Food Science, Department of Physical Sport Science, Princess Nourah bint Abdulrahman University, P. O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Jozaa Zaidan ALTamimi
- Nutrition and Food Science, Department of Physical Sport Science, Princess Nourah bint Abdulrahman University, P. O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Zeid A ALOthman
- Department of Chemistry, P.O. Box 2455, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Tahany Saleh Aldayel
- Nutrition and Food Science, Department of Physical Sport Science, Princess Nourah bint Abdulrahman University, P. O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Saikh Mohammad Wabaidur
- Department of Chemistry, P.O. Box 2455, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Md Ataul Islam
- Division of Pharmacy and Optometry, School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Oxford Road, Manchester, M13 9PL, United Kingdom.
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Dev Kumar G, Mishra A, Dunn L, Townsend A, Oguadinma IC, Bright KR, Gerba CP. Biocides and Novel Antimicrobial Agents for the Mitigation of Coronaviruses. Front Microbiol 2020; 11:1351. [PMID: 32655532 PMCID: PMC7324725 DOI: 10.3389/fmicb.2020.01351] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 05/26/2020] [Indexed: 12/18/2022] Open
Abstract
In December, 2019, a highly infectious and rapidly spreading new pneumonia of unknown cause was reported to the Chinese WHO Country Office. A cluster of these cases had appeared in Wuhan, a city in the Hubei Province of China. These infections were found to be caused by a new coronavirus which was given the name "2019 novel coronavirus" (2019-nCoV). It was later renamed "severe acute respiratory syndrome coronavirus 2," or SARS-CoV-2 by the International Committee on Taxonomy of Viruses on February 11, 2020. It was named SARS-CoV-2 due to its close genetic similarity to the coronavirus which caused the SARS outbreak in 2002 (SARS-CoV-1). The aim of this review is to provide information, primarily to the food industry, regarding a range of biocides effective in eliminating or reducing the presence of coronaviruses from fomites, skin, oral/nasal mucosa, air, and food contact surfaces. As several EPA approved sanitizers against SARS-CoV-2 are commonly used by food processors, these compounds are primarily discussed as much of the industry already has them on site and is familiar with their application and use. Specifically, we focused on the effects of alcohols, povidone iodine, quaternary ammonium compounds, hydrogen peroxide, sodium hypochlorite (NaOCl), peroxyacetic acid (PAA), chlorine dioxide, ozone, ultraviolet light, metals, and plant-based antimicrobials. This review highlights the differences in the resistance or susceptibility of different strains of coronaviruses, or similar viruses, to these antimicrobial agents.
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Affiliation(s)
| | - Abhinav Mishra
- Department of Food Science and Technology, The University of Georgia, Athens, GA, United States
| | - Laurel Dunn
- Department of Food Science and Technology, The University of Georgia, Athens, GA, United States
| | - Anna Townsend
- Department of Food Science and Technology, The University of Georgia, Athens, GA, United States
| | | | - Kelly R. Bright
- Department of Soil, Water and Environmental Science, University of Arizona, Tucson, AZ, United States
| | - Charles P. Gerba
- Department of Soil, Water and Environmental Science, University of Arizona, Tucson, AZ, United States
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Tayyarcan EK, Acar Soykut E, Menteş Yılmaz O, Boyaci IH, Khaaladi M, Fattouch S. Investigation of different interactions betweenStaphylococcus aureusphages and pomegranate peel, grape seed, and black cumin extracts. J Food Saf 2019. [DOI: 10.1111/jfs.12679] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
| | - Esra Acar Soykut
- Yeniçağa Yaşar Çelik Vocational SchoolBolu Abant İzzet Baysal University Bolu Turkey
| | | | - Ismail H. Boyaci
- Department of Food EngineeringHacettepe University Ankara Turkey
| | - Maha Khaaladi
- National Institute of Applied Sciences and Technology (INSAT)University of Carthage Tunis Tunisia
| | - Sami Fattouch
- National Institute of Applied Sciences and Technology (INSAT)University of Carthage Tunis Tunisia
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Garcia LAT, Boff L, Barardi CRM, Nagl M. Inactivation of Adenovirus in Water by Natural and Synthetic Compounds. FOOD AND ENVIRONMENTAL VIROLOGY 2019; 11:157-166. [PMID: 30719622 DOI: 10.1007/s12560-019-09370-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 01/23/2019] [Indexed: 05/28/2023]
Abstract
Millions of people use contaminated water sources for direct consumption. Chlorine is the most widely disinfection product but can produce toxic by-products. In this context, natural and synthetic compounds can be an alternative to water disinfection. Therefore, the aim of this study was to assess the inactivation of human adenovirus by N-chlorotaurine (NCT), bromamine-T (BAT) and Grape seed extract (GSE) in water. Distilled water artificially contaminated with recombinant human adenovirus type 5 (rAdV-GFP) was treated with different concentrations of each compound for up to 120 min, and viral infectivity was assessed by fluorescence microscopy. The decrease in activity of the compounds in the presence of organic matter was evaluated in water supplemented with peptone. As results, NCT and GSE inactivated approximately 2.5 log10 of adenovirus after 120 min. With BAT, more than 4.0 log10 decrease was observed within 10 min. The oxidative activity of 1% BAT decreased by 50% in 0.5% peptone within a few minutes, while the reduction was only 30% for 1% NCT in 5% peptone after 60 min. Organic matter had no effect on the activity of GSE. Moreover, the minimal concentration of BAT and GSE to kill viruses was lower than that known to kill human cells. It was concluded that the three compounds have potential to be used for water disinfection for drinking or reuse purposes.
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Affiliation(s)
- Lucas Ariel Totaro Garcia
- Laboratório de Virologia Aplicada/Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal de Santa Catarina, Campus Trindade, Florianópolis, SC, 88040-900, Brazil.
| | - Laurita Boff
- Laboratório de Virologia Aplicada/Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal de Santa Catarina, Campus Trindade, Florianópolis, SC, 88040-900, Brazil
| | - Célia Regina Monte Barardi
- Laboratório de Virologia Aplicada/Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal de Santa Catarina, Campus Trindade, Florianópolis, SC, 88040-900, Brazil
| | - Markus Nagl
- Division of Hygiene and Medical Microbiology, Medical University of Innsbruck, Innsbruck, Austria
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Gilling DH, Ravishankar S, Bright KR. Antimicrobial efficacy of plant essential oils and extracts against Escherichia coli. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2019; 54:608-616. [PMID: 30821189 DOI: 10.1080/10934529.2019.1574153] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 01/16/2019] [Indexed: 06/09/2023]
Abstract
The efficacies of 11 plant-derived antimicrobials were evaluated against Escherichia coli in vitro in solution at room temperature. These included lemongrass, cinnamon, and oregano essential oils and their active components (citral, cinnamaldehyde, and carvacrol, respectively). Allspice and clove bud oils and olive, green tea, and grape seed extracts were also studied. The efficacies of the antimicrobials were both concentration- and exposure time-dependent. The essential oils and their active components demonstrated statistically significant >5.0-log10 reductions within 1-10 min. The plant extracts were less effective; green tea and grape seed extracts required 24 h before significant reductions were observed (1.93-log10 and 5.05-log10, respectively). Nevertheless, olive extract exhibited a reduction of ∼5-log10 within 30 min. Most of these plant-derived compounds exhibited strong bactericidal activity and can potentially be applied as alternatives to chemicals for foods/food contact surfaces since they are generally recognized as safe (GRAS) for human consumption. They may also be useful in applications in which other antimicrobials have reduced efficacy (e.g., in the presence of organics) or used with sensitive populations that are unable to tolerate exposure to harsher chemicals (e.g., elderly care facilities). These compounds could be used alone, in combination, or with fast-acting antimicrobials to provide a long-lasting residual.
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Affiliation(s)
- Damian H Gilling
- a Department of Soil, Water and Environmental Science , Water and Energy Sustainable Technology Center, The University of Arizona , Tucson , Arizona , USA
- b School of Animal and Comparative Biomedical Sciences , The University of Arizona , Tucson , Arizona , USA
| | - Sadhana Ravishankar
- b School of Animal and Comparative Biomedical Sciences , The University of Arizona , Tucson , Arizona , USA
| | - Kelly R Bright
- a Department of Soil, Water and Environmental Science , Water and Energy Sustainable Technology Center, The University of Arizona , Tucson , Arizona , USA
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