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AnnaDurai KS, Chandrasekaran N, Velraja S, Hikku GS, Parvathi VD. Essential oil nanoemulsion: An emerging eco-friendly strategy towards mosquito control. Acta Trop 2024; 257:107290. [PMID: 38909722 DOI: 10.1016/j.actatropica.2024.107290] [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: 04/01/2024] [Revised: 06/12/2024] [Accepted: 06/12/2024] [Indexed: 06/25/2024]
Abstract
Mosquito borne diseases are impeding to human health due to their uncontrolled proliferation. Various commercial insecticides currently used become ineffective due to the resistance acquired by mosquitoes. It is necessary and a priority to combat mosquito population. Plant-based products are gaining interest over the past few decades due to their environment friendliness and their effectiveness in controlling mosquitoes along with their lack of toxicity. Essential oil nanoemulsions are found to be highly effective when compared to their bulk counterparts. Due to their nano size, they can effectively interact and yield 100 % mortality with the mosquito larvae and encounter with minimal concentrations. This is the main advantage of the nano-sized particles due to which they find application in various disciplines and have also received the attention of researchers globally. There are various components present in essential oils that have been analysed using GC-MS. These findings reflect the challenge to mosquitoes to gain resistance against each component and therefore it requires time. Commercially used repellants are synthesised using materials like DEET are not advisable for topical application on human skin and essential oil nanoemulsions could be an ideal non toxic candidate that can be used against mosquito adults and larvae. However, there are other synthesis, optimisation parameters, and toxicity towards non-target organisms that have to be taken into account when essential oil nanoemulsions are considered for commercial applications. Here we review the strategies used by the nanoemulsions against the mosquito population. Apart from the positive effects, their minor drawbacks also have to be scrutinised in the future.
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Affiliation(s)
- Kavitha Sri AnnaDurai
- Department of Biomedical Sciences, Faculty of Biomedical Sciences and Technology, Sri Ramachandra Institute of Higher Education and Research (SRIHER), Chennai-600116, Tamil Nadu, India
| | | | - Supriya Velraja
- Department of Clinical Nutrition, Faculty of Allied Health Sciences, Sri Ramachandra Institute of Higher Education and Research (SRIHER), Chennai 600116, Tamil Nadu, India
| | - Gnanadhas Sobhin Hikku
- Center for Global Health Research, Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai 602105, Tamilnadu, India; Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education (CARE), Kelambakkam, Chennai 603103, India
| | - Venkatachalam Deepa Parvathi
- Department of Biomedical Sciences, Faculty of Biomedical Sciences and Technology, Sri Ramachandra Institute of Higher Education and Research (SRIHER), Chennai-600116, Tamil Nadu, India.
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Zhang Y, Zhang T, Wang X, Bian Z, Zhang X, Yang G, Lu Y. Volatiles from essential oils of three Lamiaceae plants repel the winged cotton aphid, disturb its feeding behavior and reduce its fecundity. PEST MANAGEMENT SCIENCE 2024; 80:4253-4263. [PMID: 38624184 DOI: 10.1002/ps.8130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 03/05/2024] [Accepted: 04/11/2024] [Indexed: 04/17/2024]
Abstract
BACKGROUND Insects use odor detection to sense their surroundings. Use of volatile compounds, such as essential oils (EOs) of plants, to repel pests and disrupt their olfaction-driven behaviors has great practical potential for use in integrated pest management. Despite the available information on the repellent effects of EOs on herbivorous insects, the olfaction-based mechanisms remain unknown. RESULTS Y-tube olfactometer tests showed that the EOs of three Lamiaceae plants - Mentha arvensis L., Mentha piperita L. and Lavandula angustifolia Mill. - were significantly repellent to winged cotton aphid, Aphis gossypii Glover. Electrical penetration graph (EPG) tests indicated the EOs reduced phloem feeding and increased the level of non-productive probing by the aphids. The EOs also reduced the fecundity of winged Aphis gossypii. Electrophysiological bioassays and gas chromatography-mass spectrometry (GC-MS) identified five physiologically active volatiles, that is menthone, isomenthone, neomenthol and menthol from Mentha piperita; menthone and menthol from Mentha arvensis; and linalool from L. angustifolia. Behavioral tests confirmed that all five compounds repelled winged Aphis gossypii. Under field conditions, the growth rate of aphid populations after 7 days was significantly lower in fields treated with these compounds than in the control fields. CONCLUSION Our findings demonstrated that three EOs not only repelled winged Aphis gossypii but also interfered with the aphid's feeding behavior and reduced its fecundity. These EOs and their active constituents have great potential as eco-friendly control products for use against Aphis gossypii. The effects of these EOs also exceed other repellents that only keep pests away from host plants. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Ying Zhang
- College of Plant Protection, Yangzhou University, Yangzhou, China
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Tao Zhang
- State Key Laboratory of IPM on Crops in Northern Region of North China, Institute of Plant Protection, Hebei Academy of Agriculture and Forestry Sciences, Baoding, China
| | - Xinhang Wang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Zhipeng Bian
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Xiaofang Zhang
- State Key Laboratory of IPM on Crops in Northern Region of North China, Institute of Plant Protection, Hebei Academy of Agriculture and Forestry Sciences, Baoding, China
| | - Guoqing Yang
- College of Plant Protection, Yangzhou University, Yangzhou, China
| | - Yanhui Lu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
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Lanave G, Pellegrini F, Triggiano F, De Giglio O, Lucente MS, Diakoudi G, Catella C, Gentile A, Tardugno R, Fracchiolla G, Martella V, Camero M. In Vitro Virucidal Activity of Different Essential Oils against Bovine Viral Diarrhea Virus Used as Surrogate of Human Hepatitis C Virus. Antibiotics (Basel) 2024; 13:514. [PMID: 38927181 PMCID: PMC11201044 DOI: 10.3390/antibiotics13060514] [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: 04/24/2024] [Revised: 05/28/2024] [Accepted: 05/30/2024] [Indexed: 06/28/2024] Open
Abstract
The hepatitis C virus (HCV) is a major hepatotropic virus that affects humans with increased risk of developing hepatocellular carcinoma. The bovine viral diarrhea virus (BVDV) causes abortion, calf mortality and poor reproductive performance in cattle. Due the difficulties of in vitro cultivation for HCV, BVDV has been used as surrogate for in vitro assessment of the efficacy of antivirals. Essential oils (EOs) display antiviral and virucidal activity on several viral pathogens. In this study, the virucidal activity of five EOs, Salvia officinalis L. EO (SEO), Melissa officinalis L. EO (MEO), Citrus lemon EO (LEO), Rosmarinus officinalis L. EO (REO) and Thymus vulgaris L. EO (TEO) against BVDV was evaluated in vitro at different concentrations for several time contacts. MEO and LEO were able to considerably inactivate BVDV with a time- and dose-dependent fashion. MEO and LEO at the highest concentrations decreased viral titer by 2.00 and 2.25 log10 TCID50/50 μL at 8 h contact time, respectively. SEO, REO and TEO displayed mild virucidal activity at the highest concentrations for 8 h contact times. In this study, the virucidal efficacies of MEO and LEO against BVDV were observed regardless of compound concentration and contact time. Further studies are needed to confirm the potential use of MEO and LEO as surface disinfectants.
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Affiliation(s)
- Gianvito Lanave
- Department of Veterinary Medicine, University of Bari Aldo Moro, 70010 Valenzano, Italy; (G.L.); (F.P.); (M.S.L.); (G.D.); (C.C.); (A.G.); (V.M.)
| | - Francesco Pellegrini
- Department of Veterinary Medicine, University of Bari Aldo Moro, 70010 Valenzano, Italy; (G.L.); (F.P.); (M.S.L.); (G.D.); (C.C.); (A.G.); (V.M.)
| | - Francesco Triggiano
- Interdisciplinary Department of Medicine, Hygiene Section, University of Bari Aldo Moro, 70124 Bari, Italy; (F.T.); (O.D.G.)
| | - Osvalda De Giglio
- Interdisciplinary Department of Medicine, Hygiene Section, University of Bari Aldo Moro, 70124 Bari, Italy; (F.T.); (O.D.G.)
| | - Maria Stella Lucente
- Department of Veterinary Medicine, University of Bari Aldo Moro, 70010 Valenzano, Italy; (G.L.); (F.P.); (M.S.L.); (G.D.); (C.C.); (A.G.); (V.M.)
| | - Georgia Diakoudi
- Department of Veterinary Medicine, University of Bari Aldo Moro, 70010 Valenzano, Italy; (G.L.); (F.P.); (M.S.L.); (G.D.); (C.C.); (A.G.); (V.M.)
| | - Cristiana Catella
- Department of Veterinary Medicine, University of Bari Aldo Moro, 70010 Valenzano, Italy; (G.L.); (F.P.); (M.S.L.); (G.D.); (C.C.); (A.G.); (V.M.)
| | - Arturo Gentile
- Department of Veterinary Medicine, University of Bari Aldo Moro, 70010 Valenzano, Italy; (G.L.); (F.P.); (M.S.L.); (G.D.); (C.C.); (A.G.); (V.M.)
| | - Roberta Tardugno
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari Aldo Moro, 70125 Bari, Italy; (R.T.); (G.F.)
| | - Giuseppe Fracchiolla
- Department of Pharmacy-Pharmaceutical Sciences, University of Bari Aldo Moro, 70125 Bari, Italy; (R.T.); (G.F.)
| | - Vito Martella
- Department of Veterinary Medicine, University of Bari Aldo Moro, 70010 Valenzano, Italy; (G.L.); (F.P.); (M.S.L.); (G.D.); (C.C.); (A.G.); (V.M.)
| | - Michele Camero
- Department of Veterinary Medicine, University of Bari Aldo Moro, 70010 Valenzano, Italy; (G.L.); (F.P.); (M.S.L.); (G.D.); (C.C.); (A.G.); (V.M.)
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Brandes A, Dunning M, Langland J. Antimicrobial Activity of Individual Volatile Compounds from Various Essential Oils. Molecules 2024; 29:1811. [PMID: 38675631 PMCID: PMC11054172 DOI: 10.3390/molecules29081811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 04/11/2024] [Accepted: 04/12/2024] [Indexed: 04/28/2024] Open
Abstract
Interest in natural remedies has grown recently due to a variety of public health concerns such as microbial antibiotic resistance. This global health concern necessitates innovative approaches to combat bacterial infections. Building upon established therapeutic uses of essential oils, this research focused on the volatile constituents of essential oils. The volatile antimicrobial activity of these constituents was studied by employing a derivative of a modified disk diffusion assay for quantitative comparisons. This study emphasizes the significance and value of exploring natural compounds as alternatives to traditional antibiotics and provides insights into their mechanisms and applications in contending with bacterial pathogens.
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Affiliation(s)
| | | | - Jeffrey Langland
- The Ric Scalzo Institute for Botanical Research, Sonoran University of Health Sciences, Tempe, AZ 85282, USA; (A.B.); (M.D.)
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Baroi AM, Fierascu I, Ghizdareanu AI, Trica B, Fistos T, Matei (Brazdis) RI, Fierascu RC, Firinca C, Sardarescu ID, Avramescu SM. Green Approach for Synthesis of Silver Nanoparticles with Antimicrobial and Antioxidant Properties from Grapevine Waste Extracts. Int J Mol Sci 2024; 25:4212. [PMID: 38673798 PMCID: PMC11050308 DOI: 10.3390/ijms25084212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/04/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024] Open
Abstract
The present work aims to study the possibilities of developing silver nanoparticles using natural extracts of grape pomace wastes originating from the native variety of Fetească Neagră 6 Șt. This study focused on investigating the influence of grape pomace extract obtained by two different extraction methods (classical temperature extraction and microwave-assisted extraction) in the phytosynthesis process of metal nanoparticles. The total phenolic content of the extracts was assessed using the spectrophotometric method with the Folin-Ciocâlteu reagent, while the identification and quantification of specific components were conducted through high-performance liquid chromatography with a diode array detector (HPLC-DAD). The obtained nanoparticles were characterized by UV-Vis absorption spectroscopy, X-ray diffraction (XRD), and transmission electron microscopy (TEM), along with assessing their antioxidant and antimicrobial properties against Gram-positive bacteria. The data collected from the experiments indicated that the nanoparticles were formed in a relatively short period of time (96 h) and, for the experimental variant involving the use of a 1:1 ratio (v/v, grape pomace extract: silver nitrate) for the nanoparticle phytosynthesis, the smallest crystallite sizes (from X-ray diffraction-4.58 nm and 5.14 nm) as well as spherical or semispherical nanoparticles with the lowest average diameters were obtained (19.99-23 nm, from TEM analysis). The phytosynthesis process was shown to enhance the antioxidant properties (determined using the DPPH assay) and the antimicrobial potential (tested against Gram-positive strains) of the nanoparticles, as evidenced by comparing their properties with those of the parent extracts; at the same time, the nanoparticles exhibited a selectivity in action, being active against the Staphylococcus aureus strain while presenting no antimicrobial potential against the Enterococcus faecalis strain.
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Affiliation(s)
- Anda Maria Baroi
- National Institute for Research & Development in Chemistry and Petrochemistry–ICECHIM, 202 Spl. Independentei, 060021 Bucharest, Romania; (A.M.B.); (A.-I.G.); (B.T.); (T.F.); (R.I.M.); (R.C.F.); (C.F.)
- Faculty of Horticulture, University of Agronomic Sciences and Veterinary Medicine of Bucharest, 59 Marasti Blvd., 011464 Bucharest, Romania
| | - Irina Fierascu
- National Institute for Research & Development in Chemistry and Petrochemistry–ICECHIM, 202 Spl. Independentei, 060021 Bucharest, Romania; (A.M.B.); (A.-I.G.); (B.T.); (T.F.); (R.I.M.); (R.C.F.); (C.F.)
- Faculty of Horticulture, University of Agronomic Sciences and Veterinary Medicine of Bucharest, 59 Marasti Blvd., 011464 Bucharest, Romania
| | - Andra-Ionela Ghizdareanu
- National Institute for Research & Development in Chemistry and Petrochemistry–ICECHIM, 202 Spl. Independentei, 060021 Bucharest, Romania; (A.M.B.); (A.-I.G.); (B.T.); (T.F.); (R.I.M.); (R.C.F.); (C.F.)
| | - Bogdan Trica
- National Institute for Research & Development in Chemistry and Petrochemistry–ICECHIM, 202 Spl. Independentei, 060021 Bucharest, Romania; (A.M.B.); (A.-I.G.); (B.T.); (T.F.); (R.I.M.); (R.C.F.); (C.F.)
| | - Toma Fistos
- National Institute for Research & Development in Chemistry and Petrochemistry–ICECHIM, 202 Spl. Independentei, 060021 Bucharest, Romania; (A.M.B.); (A.-I.G.); (B.T.); (T.F.); (R.I.M.); (R.C.F.); (C.F.)
- Faculty of Chemical Engineering and Biotechnology, National University of Science and Technology Politehnica Bucharest, 1-7 Gh. Polizu Str., 011061 Bucharest, Romania;
| | - Roxana Ioana Matei (Brazdis)
- National Institute for Research & Development in Chemistry and Petrochemistry–ICECHIM, 202 Spl. Independentei, 060021 Bucharest, Romania; (A.M.B.); (A.-I.G.); (B.T.); (T.F.); (R.I.M.); (R.C.F.); (C.F.)
- Faculty of Chemical Engineering and Biotechnology, National University of Science and Technology Politehnica Bucharest, 1-7 Gh. Polizu Str., 011061 Bucharest, Romania;
| | - Radu Claudiu Fierascu
- National Institute for Research & Development in Chemistry and Petrochemistry–ICECHIM, 202 Spl. Independentei, 060021 Bucharest, Romania; (A.M.B.); (A.-I.G.); (B.T.); (T.F.); (R.I.M.); (R.C.F.); (C.F.)
- Faculty of Chemical Engineering and Biotechnology, National University of Science and Technology Politehnica Bucharest, 1-7 Gh. Polizu Str., 011061 Bucharest, Romania;
| | - Cristina Firinca
- National Institute for Research & Development in Chemistry and Petrochemistry–ICECHIM, 202 Spl. Independentei, 060021 Bucharest, Romania; (A.M.B.); (A.-I.G.); (B.T.); (T.F.); (R.I.M.); (R.C.F.); (C.F.)
- Department of Botany and Microbiology, Faculty of Biology, University of Bucharest, 91–95 Spl. Independenței, 050095 Bucharest, Romania
| | - Ionela Daniela Sardarescu
- Faculty of Chemical Engineering and Biotechnology, National University of Science and Technology Politehnica Bucharest, 1-7 Gh. Polizu Str., 011061 Bucharest, Romania;
- National Research and Development Institute for Biotechnology in Horticulture, Bucharet-Pitesti Str., 117715 Stefanesti, Romania
| | - Sorin Marius Avramescu
- Department of Inorganic Chemistry, Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, 030018 Bucharest, Romania;
- Research Centre for Environmental Protection and Waste Management (PROTMED), University of Bucharest, 91–95 Spl. Independenței, Sect. 5, 050107 Bucharest, Romania
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Bārzdiņa A, Plotniece A, Sobolev A, Pajuste K, Bandere D, Brangule A. From Polymeric Nanoformulations to Polyphenols-Strategies for Enhancing the Efficacy and Drug Delivery of Gentamicin. Antibiotics (Basel) 2024; 13:305. [PMID: 38666981 PMCID: PMC11047640 DOI: 10.3390/antibiotics13040305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 03/25/2024] [Accepted: 03/27/2024] [Indexed: 04/29/2024] Open
Abstract
Gentamicin is an essential broad-spectrum aminoglycoside antibiotic that is used in over 40 clinical conditions and has shown activity against a wide range of nosocomial, biofilm-forming, multi-drug resistant bacteria. Nevertheless, the low cellular penetration and serious side effects of gentamicin, as well as the fear of the development of antibacterial resistance, has led to a search for ways to circumvent these obstacles. This review provides an overview of the chemical and pharmacological properties of gentamicin and offers six different strategies (the isolation of specific types of gentamicin, encapsulation in polymeric nanoparticles, hydrophobization of the gentamicin molecule, and combinations of gentamicin with other antibiotics, polyphenols, and natural products) that aim to enhance the drug delivery and antibacterial activity of gentamicin. In addition, factors influencing the synthesis of gentamicin-loaded polymeric (poly (lactic-co-glycolic acid) (PLGA) and chitosan) nanoparticles and the methods used in drug release studies are discussed. Potential research directions and future perspectives for gentamicin-loaded drug delivery systems are given.
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Affiliation(s)
- Ance Bārzdiņa
- Department of Pharmaceutical Chemistry, Riga Stradins University, 21 Konsula Str., LV-1007 Riga, Latvia; (A.P.)
- Baltic Biomaterials Centre of Excellence, Headquarters at Riga Technical University, LV-1007 Riga, Latvia
| | - Aiva Plotniece
- Department of Pharmaceutical Chemistry, Riga Stradins University, 21 Konsula Str., LV-1007 Riga, Latvia; (A.P.)
- Latvian Institute of Organic Synthesis, 21 Aizkraukles Str., LV-1006 Riga, Latvia; (A.S.); (K.P.)
| | - Arkadij Sobolev
- Latvian Institute of Organic Synthesis, 21 Aizkraukles Str., LV-1006 Riga, Latvia; (A.S.); (K.P.)
| | - Karlis Pajuste
- Latvian Institute of Organic Synthesis, 21 Aizkraukles Str., LV-1006 Riga, Latvia; (A.S.); (K.P.)
| | - Dace Bandere
- Department of Pharmaceutical Chemistry, Riga Stradins University, 21 Konsula Str., LV-1007 Riga, Latvia; (A.P.)
- Baltic Biomaterials Centre of Excellence, Headquarters at Riga Technical University, LV-1007 Riga, Latvia
| | - Agnese Brangule
- Department of Pharmaceutical Chemistry, Riga Stradins University, 21 Konsula Str., LV-1007 Riga, Latvia; (A.P.)
- Baltic Biomaterials Centre of Excellence, Headquarters at Riga Technical University, LV-1007 Riga, Latvia
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Elbehery HH, Ibrahim SS. Potential fumigant toxicity of essential oils against Sitotroga cerealella (Olivier) (Lepidoptera: Gelechiidae) and its egg parasitoid Trichogramma evanescens (Hymenoptera: Trichogrammatidae). Sci Rep 2024; 14:6253. [PMID: 38491058 PMCID: PMC10943214 DOI: 10.1038/s41598-024-56611-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Accepted: 03/08/2024] [Indexed: 03/18/2024] Open
Abstract
Sitotroga cerealella is a serious pest of a wide range of stored cereal grains. An essential element of an integrated pest control approach is the application of plant oils as a substitute for chemical insecticides. This study aimed to investigate the fumigant toxicity of Allium sativum and Mentha piperita essential oils against S. cerealella adult moths and the egg parasitoid Trichogramma evanescens. Gas chromatography-mass spectrometry analyses detected that Diallyl trisulfide (37.97%) and DL-Menthol (47.67%) as main compounds in A. sativum and M. piperita, respectively. The results showed that, A. sativum at 10.0, 5.0, and 2.5 µL/L air resulted in 100% insect mortality after 24 h exposure. The concentrations of 10.0 and 5.0 µL/L air of M. piperita oil resulted in 100 and 96% insect mortality, respectively. The parasitoid adult emergence in the F1 reduced when exposed to LC99 of A. sativum and M. piperita oils by 10.89 and 9.67%, respectively. Also, the parasitism of emerged parasitoid decreased by 9.25 and 5.84% (class I-harmless), respectively. Therefore A. sativum and M. piperita have the potential to be used as bio-fumigant for the management of S. cerealella and can be used alongside the T. evanescens in integrated pest management.
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Affiliation(s)
- Huda H Elbehery
- Pests and Plant Protection Department, National Research Centre, 33 El-Buhouth Street, Dokki, Giza, 12622, Egypt.
| | - Samar S Ibrahim
- Pests and Plant Protection Department, National Research Centre, 33 El-Buhouth Street, Dokki, Giza, 12622, Egypt
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Al-Tawarah NM, Al-Dmour RH, Abu Hajleh MN, Khleifat KM, Alqaraleh M, Al-Saraireh YM, Jaradat AQ, Al-Dujaili EAS. Rosmarinus officinalis and Mentha piperita Oils Supplementation Enhances Memory in a Rat Model of Scopolamine-Induced Alzheimer's Disease-like Condition. Nutrients 2023; 15:nu15061547. [PMID: 36986277 PMCID: PMC10056489 DOI: 10.3390/nu15061547] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/18/2023] [Accepted: 03/19/2023] [Indexed: 03/30/2023] Open
Abstract
Alzheimer's disease is regarded as a common neurodegenerative disease that may lead to dementia and the loss of memory. We report here the nootropic and anti-amnesic effects of both peppermint and rosemary oils using a rat model of scopolamine-induced amnesia-like AD. Rats were administered orally with two doses (50 and 100 mg/kg) of each single oil and combined oils. The positive group used donepezil (1 mg/kg). In the therapeutic phase, rats were administered scopolamine (1 mg/kg) through the oral administration of oils. During the nootropic phase, both oils showed a significant (p < 0.05) decrease in radial arm maze latency times, working memory, and reference memory errors compared with the normal group, along with significant (p < 0.05) enhancements of long-term memory during the passive avoidance test. Therapeutic phase results revealed significant enhancements of memory processing compared with the positive groups. In the hippocampus, oils exhibited an elevation of BDNF levels in a dose-dependent manner. Immunohistochemistry findings showed increased hippocampal neurogenesis suppressed by scopolamine in the sub-granular zone, and the anti-amnesic activity of single oil was enhanced when the two oils combined. Gas chromatography-mass spectrometry (GCMS) of the two oils revealed sufficient compounds (1,8-Cineole, α-Pinene, menthol and menthone) with potential efficacy in the memory process and cognitive defects. Our work suggests that both oils could enhance the performance of working and spatial memory, and when combined, more anti-amnesic activity was produced. A potential enhancement of hippocampal growth and neural plasticity was apparent with possible therapeutic activity to boost memory in AD patients.
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Affiliation(s)
- Nafe M Al-Tawarah
- Department of Medical Laboratory Sciences, Faculty of Science, Mutah University, Al-Karak 61710, Jordan
| | - Rawand H Al-Dmour
- Department of Medical Laboratory Sciences, Faculty of Science, Mutah University, Al-Karak 61710, Jordan
| | - Maha N Abu Hajleh
- Department of Cosmetic Science, Pharmacological and Diagnostic Research Centre, Faculty of Allied Medical Sciences, Al-Ahliyya Amman University, Amman 19328, Jordan
| | - Khaled M Khleifat
- Department of Medical Laboratory Sciences, Faculty of Science, Mutah University, Al-Karak 61710, Jordan
| | - Moath Alqaraleh
- Pharmacological and Diagnostic Research Center (PDRC), Faculty of Pharmacy, Al-Ahliyya Amman University, Amman 19328, Jordan
| | | | - Ahmad Q Jaradat
- Department of Medical Laboratory Sciences, Faculty of Science, Mutah University, Al-Karak 61710, Jordan
| | - Emad A S Al-Dujaili
- Centre for Cardiovascular Science, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH8 9YL, UK
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Fazal H, Akram M, Ahmad N, Qaisar M, Kanwal F, Rehman G, Ullah I. Nutritionally rich biochemical profile in essential oil of various Mentha species and their antimicrobial activities. PROTOPLASMA 2023; 260:557-570. [PMID: 35943630 DOI: 10.1007/s00709-022-01799-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 07/26/2022] [Indexed: 06/15/2023]
Abstract
The Mentha species of family Lamiaceae are famous for their flavor and are commercially used in many food products worldwide. They are widely used to cure digestive problems as well as a natural source of antioxidants and antimicrobials. In this report, the essential oils (EOs) of five Mentha species, namely Mentha citrata, Mentha x piperita, Mentha pulegium, Mentha spicata, and Mentha suaveolens were extracted and their chemical diversity was investigated through gas chromatography-mass spectroscopy (GC-MS). The differential doses (5, 10, and 15 µl) of EOs were tested for antimicrobial potential against two gram-positive bacteria (Staphylococcus aureus and Bacillus subtilis), five gram-negative bacteria (Escherichia coli, Pseudomonas aeroginosa, Salmonella typhi, Proteus mirabilis and Klebsiella pneumoniae) and a fungal strain (Candida albicans). The GC-MS results revealed the major components in the EOs were Carvone, Linalool, Hotrienol, Menthol, Isopulegone, Furanone, Piperitone, and Thymol. Moreover, the higher dose (15 µl) of EOs of M. citrata inhibited the growth of S. typhi and C. albicans (35.8 ± 2.4 and 35.2 ± 2.5 mm), M. x piperita inhibited E. coli, B. subtilis, and C. albicans (28.5 ± 3.5, 26.1 ± 2.1, and 25.4 ± 1.1 mm), M. pulegium inhibited K. pneumoniae, B. subtilis, and C. albicans (26.8 ± 1.8, 24.2 ± 2.2, and 25.3 ± 0.9 mm), M. spicata significantly inhibited S. typhi and B. subtilis (35.7 ± 2.7 and 36.3 ± 2.1 mm), and M. suaveolens inhibited K. pneumoniae, C. albicans, and S. typhi (30.8 ± 1.9, 26.9 ± 1.1, and 20.1 ± 0.8 mm) respectively. This study concluded that the EOs of M. citrata was effective against S. typhi and C. albicans. The M. x piperita exhibited strong activities against E. coli, B. subtilis, and C. albicans. Furthermore, the M. pulegium strongly inhibited the growth of K. pneumoniae and C. albicans. The EO of M. spicata was more potent against S. typhi and B. subtilis, while the M. suaveolens was comparatively more effective against S. typhi, K. pneumoniae, and C. albicans. These EOs offer a natural source of antimicrobial agents with high commercial values and social acceptance and could be scale up by food and pharmaceutical industries to control pathogenic diseases.
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Affiliation(s)
- Hina Fazal
- Pakistan Council of Scientific and Industrial Research (PCSIR) Laboratories Complex, Peshawar, 25120, Pakistan
| | - Muhammad Akram
- Pakistan Council of Scientific and Industrial Research (PCSIR) Laboratories Complex, Peshawar, 25120, Pakistan
| | - Nisar Ahmad
- Center for Biotechnology and Microbiology, University of Swat, Swat, 19200, Pakistan.
| | - Muhammad Qaisar
- Pakistan Council of Scientific and Industrial Research (PCSIR) Laboratories Complex, Peshawar, 25120, Pakistan
| | - Farina Kanwal
- Pakistan Council of Scientific and Industrial Research (PCSIR) Laboratories Complex, Peshawar, 25120, Pakistan
| | - Gohar Rehman
- Pakistan Council of Scientific and Industrial Research (PCSIR) Laboratories Complex, Peshawar, 25120, Pakistan
| | - Irfan Ullah
- Pakistan Council of Scientific and Industrial Research (PCSIR) Laboratories Complex, Peshawar, 25120, Pakistan
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10
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Pellegrini F, Camero M, Catella C, Fracchiolla G, Sblano S, Patruno G, Trombetta CM, Galgano M, Pratelli A, Tempesta M, Martella V, Lanave G. Virucidal Activity of Lemon Essential Oil against Feline Calicivirus Used as Surrogate for Norovirus. Antibiotics (Basel) 2023; 12:antibiotics12020322. [PMID: 36830233 PMCID: PMC9952628 DOI: 10.3390/antibiotics12020322] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 01/27/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023] Open
Abstract
Norovirus (NoV) is regarded as a common cause of acute gastrointestinal illness worldwide in all age groups, with substantial morbidity across health care and community settings. The lack of in vitro cell culture systems for human NoV has prompted the use of cultivatable caliciviruses (such as feline calicivirus, FCV, or murine NoV) as surrogates for in vitro evaluation of antivirals. Essential oils (EOs) may represent a valid tool to counteract viral infections, particularly as food preservatives. In the present study, the virucidal efficacy of lemon EO (LEO) against FCV was assessed in vitro. The gas chromatography hyphenated with mass spectrometry (GC/MS) technique was used to reveal the chemical composition of LEO. The following small molecules were detected as major components of LEO: limonene (53%), β-pinene (14.5%), γ-terpinene (5.9%), citral (3.8%), α-pinene (2.4%), and β-thujene (1.94%). LEO at 302.0 μg/mL, exceeding the maximum non cytotoxic limit, significantly decreased viral titre of 0.75 log10 TCID50/50 μL after 8 h. Moreover, virucidal activity was tested using LEO at 3020.00 μg/mL, determining a reduction of viral titre as high as 1.25 log10 TCID50/50 μL after 8 h of time contact. These results open up perspectives for the development of alternative prophylaxis approaches for the control of NoV infection.
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Affiliation(s)
- Francesco Pellegrini
- Department of Veterinary Medicine, University of Bari Aldo Moro, Valenzano, 70010 Bari, Italy
| | - Michele Camero
- Department of Veterinary Medicine, University of Bari Aldo Moro, Valenzano, 70010 Bari, Italy
- Correspondence:
| | - Cristiana Catella
- Department of Veterinary Medicine, University of Bari Aldo Moro, Valenzano, 70010 Bari, Italy
| | - Giuseppe Fracchiolla
- Department of Pharmacy-Drug Sciences, University of Aldo Moro of Bari, 70125 Bari, Italy
| | - Sabina Sblano
- Department of Pharmacy-Drug Sciences, University of Aldo Moro of Bari, 70125 Bari, Italy
| | - Giovanni Patruno
- Department of Veterinary Medicine, University of Bari Aldo Moro, Valenzano, 70010 Bari, Italy
| | | | - Michela Galgano
- Department of Veterinary Medicine, University of Bari Aldo Moro, Valenzano, 70010 Bari, Italy
| | - Annamaria Pratelli
- Department of Veterinary Medicine, University of Bari Aldo Moro, Valenzano, 70010 Bari, Italy
| | - Maria Tempesta
- Department of Veterinary Medicine, University of Bari Aldo Moro, Valenzano, 70010 Bari, Italy
| | - Vito Martella
- Department of Veterinary Medicine, University of Bari Aldo Moro, Valenzano, 70010 Bari, Italy
| | - Gianvito Lanave
- Department of Veterinary Medicine, University of Bari Aldo Moro, Valenzano, 70010 Bari, Italy
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11
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Pourhajibagher M, Parker S, Pourakbari B, Valian NK, Raoofian R, Bahador A. Enhancement of hypericin nanoparticle-mediated sonoinduced disruption of biofilm and persister cells of Streptococcus mutans by dermcidin-derived peptide DCD-1L. Photodiagnosis Photodyn Ther 2023; 41:103308. [PMID: 36709017 DOI: 10.1016/j.pdpdt.2023.103308] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 12/28/2022] [Accepted: 01/24/2023] [Indexed: 01/26/2023]
Abstract
BACKGROUND Streptococcus mutans is considered a major significant contributor to dental caries and its effective removal is difficult due to the formation of biofilm. Therefore, the development of adjuvant therapeutic strategies with anti-biofilm properties is a promising approach. In the present study, we examined the effect of dermcidin-derived peptide DCD-1 L on the antibacterial activity of hypericin nanoparticle (HypNP)-mediated antimicrobial sonodynamic therapy (aSDT) against persister cells growing- and biofilm cultures of S. mutans. MATERIALS AND METHODS Following synthesis and confirmation of HypNP, the fractional inhibitory concentration (FIC) index of HypNP and DCD-1 L was determined by checkerboard assay. Cellular uptake of HypNP-DCD-1 L and generation of endogenous reactive oxygen species (ROS) were assessed and followed by the determination of antimicrobial sonoactivity of HypNP-DCD-1 L against persister cells growing- and biofilm cultures of S. mutans. The water-insoluble extracellular polysaccharide (EPS) and expression of the gtfD, comDE, and smuT genes were then evaluated in persister cells growing- and biofilm cultures of S. mutans. RESULTS There was a synergistic activity in the combination of HypNP and DCD-1 L against S. mutans with an FIC index value of 0.37. The HypNP-DCD-1L-mediated aSDT also displayed the highest cellular uptake and endogenous ROS generation by bacterial cells. When biofilm and persister cells of S. mutans were treated with HypNP-DCD-1 L and subsequently exposed to ultrasound waves, 5.1 log and 3.8 log reductions, respectively, in bacterial numbers were observed (P<0.05). According to the data, EPS in both persister cells growing- and biofilm cultures of S. mutans were significantly decreased after exposure to the HypNP-DCD-1L-mediated aSDT (P<0.05). In addition, the quantitative real-time PCR data illustrated the high level of similarities in very low-expression profiles of the gtfD before and after all treated groups for persister cells. While, following HypNP-DCD-1L-mediated aSDT treatment, the expression levels of gtfD, comDE, and smuT were significantly lower in treated persister cells growing- and biofilm cultures of S. mutans in comparison with control groups (P<0.05). CONCLUSIONS Combined, the results of this study indicate that ultrasound waves-activated HypNP-DCD-1 L can sonoinactivate S. mutans biofilms and persister cells, as well as reduce effectively pathogenicity potency of S. mutans. Hence, HypNP-DCD-1L-mediated aSDT may be proposed as a promising adjunctive therapeutic approach for dental caries.
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Affiliation(s)
- Maryam Pourhajibagher
- Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran.
| | - Steven Parker
- Leicester School of Pharmacy, De Montfort University, Leicester LE1 9BH, United Kingdom.
| | - Babak Pourakbari
- Pediatric Infectious Disease Research Center, Tehran University of Medical Sciences, Tehran, Iran; Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.
| | - Nasrin Keshavarz Valian
- Department of Periodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Reza Raoofian
- Legal Medicine Research Center, Legal Medicine Organization, Tehran, Iran.
| | - Abbas Bahador
- Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; Fellowship in Clinical Laboratory Sciences, BioHealth Lab, Tehran, Iran.
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12
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Pourhajibagher M, Hosseini N, Bahador A. Antimicrobial activity of D-amino acid in combination with photo-sonoactivated hypericin nanoparticles against Acinetobacter baumannii. BMC Microbiol 2023; 23:23. [PMID: 36658487 PMCID: PMC9850556 DOI: 10.1186/s12866-023-02758-4] [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: 09/21/2022] [Accepted: 01/06/2023] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND The emergence of multidrug-resistant Acinetobacter baumannii strains is increasing worldwide. To overcome these life-threatening infections, the development of new treatment approaches is critical. For this purpose, this study was conducted to determine the antimicrobial photo-sonodynamic therapy (aPSDT) using hypericin nanoparticles (HypNP) in combination with D-Tryptophan (D-Trp) against A. baumannii. MATERIALS AND METHODS HypNP was synthesized and characterized, followed by the determination of the fractional inhibitory concentration (FIC) index of HypNP and D-Trp by checkerboard assay. Next, the antimicrobial and anti-biofilm potential of HypNP@D-Trp-mediated aPSDT against A. baumannii was evaluated. Finally, the anti-virulence activity of aPSDT using HypNP@D-Trp was accessed following the characterization of HypNP@D-Trp interaction with AbaI using in silico virtual screening and molecular docking. RESULTS A synergistic activity in the combination of HypNP and D-Trp against A. baumannii was observed with a FIC index value of 0.5. There was a 5.10 log10 CFU/mL reduction in the cell viability of A. baumannii when the bacterial cells were treated with 1/2 × MIC of HypNP@D-Trp and subsequently exposed to ultrasound waves and blue light (P < 0.05). Moreover, a significant biofilm degradation effect on biofilm-associated cells of A. baumannii was observed after treatment with aPSDT using 2 × MIC of HypNP@D-Trp in comparison with the control groups (P < 0.05). According to the molecular docking analysis of the protein-ligand complex, Hyp with a high affinity for AbaI showed a binding affinity of - 9.41 kcal/mol. Also, the expression level of abaI gene was significantly downregulated by 10.32-fold in A. baumannii treated with aPSDT as comprised with the control group (P < 0.05). CONCLUSIONS It can be concluded that HypNP@D-Trp-mediated aPSDT can be considered a promising strategy to overcome the infections caused by A. baumannii by reducing the growth of bacterial biofilm and decreasing the expression of abaI as a gene involved in A. baumannii biofilm formation.
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Affiliation(s)
- Maryam Pourhajibagher
- grid.411705.60000 0001 0166 0922Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Nava Hosseini
- grid.23856.3a0000 0004 1936 8390Institut de Biologie Intégrative et des Systèmes (IBIS), Pavillon Charles-Eugène-Marchand, Université Laval, Quebec City, QC G1V 0A6 Canada ,grid.23856.3a0000 0004 1936 8390Département de Biochimie, de Microbiologie et de Bio-Informatique, Faculté des Sciences et de Génie, Université Laval, Quebec City, QC G1V 0A6 Canada ,grid.421142.00000 0000 8521 1798Centre de Recherche de l’Institut Universitaire de Cardiologie et de Pneumologie de Québec (IUCPQ), Quebec City, QC G1V 4G5 Canada
| | - Abbas Bahador
- Fellowship in Clinical Laboratory Sciences, BioHealth Lab, Tehran, Iran ,grid.411705.60000 0001 0166 0922Department of Microbiology, Tehran University of Medical Sciences, Tehran, Iran
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Synergistic Action of Cinnamomum verum Essential Oil with Sertraline. Antibiotics (Basel) 2022; 11:antibiotics11111617. [PMID: 36421261 PMCID: PMC9686778 DOI: 10.3390/antibiotics11111617] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/09/2022] [Accepted: 11/09/2022] [Indexed: 11/16/2022] Open
Abstract
Cinnamomum verum L. essential oil (CEO), commonly known as Ceylon cinnamon or cinnamon tree, is regarded as one of the most employed essential oils in the field of aromatherapy. It is usually applied externally as astringent, antipruritic, rubefacient, and anti-septic agent. Furthermore, both in vitro and in vivo research have demonstrated its numerous pharmacological effects, including the potentiality for treating neuralgia, myalgia, headache, and migraine. Several pieces of research also corroborated its significant antiviral and antimicrobial properties. Cinnamaldehyde, eugenol, caryophyllene, cinnamyl acetate, and cinnamic acid are the most representative compounds that are generally found in greater quantities in CEO and play a pivotal role in determining its pharmacological activities. Due to the global antibiotic resistance scenario and the dwindling amount of funding dedicated to developing new antibiotics, in recent years research has concentrated on exploring specific economic approaches against microbial infections. In this context, the purpose of this study was the investigation of the synergistic antibacterial activities of commercially available and chemically characterized CEO in combination with sertraline, a selective serotonin reuptake inhibitor (SSRI), whose repositioning as a non-antibiotic drug has been explored over the years with encouraging results. In vitro effects of the titled combination were assessed toward a wide panel of both Gram-positive and Gram-negative bacteria. The antimicrobial efficacy was investigated by using the checkerboard microdilution method. The interesting preliminary results obtained suggested a synergistic effect (fractional inhibitory index, FICI < 0.5) of sertraline in combination with CEO, leading to severe growth inhibition for all bacterial species under investigation.
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Comini S, Scutera S, Sparti R, Banche G, Coppola B, Bertea CM, Bianco G, Gatti N, Cuffini AM, Palmero P, Allizond V. Combination of Poly(ε-Caprolactone) Biomaterials and Essential Oils to Achieve Anti-Bacterial and Osteo-Proliferative Properties for 3D-Scaffolds in Regenerative Medicine. Pharmaceutics 2022; 14:pharmaceutics14091873. [PMID: 36145620 PMCID: PMC9506294 DOI: 10.3390/pharmaceutics14091873] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/26/2022] [Accepted: 09/01/2022] [Indexed: 12/13/2022] Open
Abstract
Biomedical implants, an essential part of the medical treatments, still suffer from bacterial infections that hamper patients’ recovery and lives. Antibiotics are widely used to cure those infections but brought antibiotic resistance. Essential oils (EOs) demonstrate excellent antimicrobial activity and low resistance development risk. However, EO application in medicine is still quite scarce and almost no research work considers its use in combination with bioresorbable biomaterials, such as the poly(ε-caprolactone) (PCL) polymer. This work aimed to combine the antibacterial properties of EOs and their components, particularly eugenol and cinnamon oil, against Staphylococcus aureus, S. epidermidis and Escherichia coli, with those of PCL for medical applications in which good tissue regeneration and antimicrobial effects are required. The PCL porous scaffolds, added with increasing (from 30% to 50%) concentrations of eugenol and cinnamon oil, were characterized by square-shaped macropores. Saos-2 cells’ cell viability/proliferation was hampered by 40 and 50% EO-enriched PCL, whereas no cytotoxic effect was recorded for both 30% EO-added PCL and pure-PCL. The antibacterial tests revealed the presence of a small inhibition halo around the 30% eugenol and cinnamon oil-functionalized PCL scaffolds only for staphylococci, whereas a significant decrease on both adherent and planktonic bacteria was recorded for all the three microorganisms, thus proving that, even if the EOs are only in part released by the EO-added PCL scaffolds, an anti-adhesive feature is anyway achieved. The scaffold will have the ability to support new tissue formation and simultaneously will be able to prevent post-surgical infection. This research shows the great potential in the use of EOs or their single components, at low concentrations, for biomaterial functionalization with enhanced anti-bacterial and biointegration properties.
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Affiliation(s)
- Sara Comini
- Department of Public Health and Pediatrics, University of Torino, Via Santena 9, 10126 Turin, Italy
| | - Sara Scutera
- Department of Public Health and Pediatrics, University of Torino, Via Santena 9, 10126 Turin, Italy
| | - Rosaria Sparti
- Department of Public Health and Pediatrics, University of Torino, Via Santena 9, 10126 Turin, Italy
| | - Giuliana Banche
- Department of Public Health and Pediatrics, University of Torino, Via Santena 9, 10126 Turin, Italy
- Correspondence: (G.B.); (A.M.C.); Tel.: +39-011-670-5627 (G.B.); +39-011-670-5638 (A.M.C.)
| | - Bartolomeo Coppola
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi, 24, 10129 Turin, Italy
| | - Cinzia Margherita Bertea
- Department of Life Sciences and Systems Biology, University of Torino, Via Quarello 15/A, 10135 Turin, Italy
| | - Gabriele Bianco
- Microbiology and Virology Unit, Azienda Ospedaliero Universitaria Città della Salute e della Scienza di Torino, Corso Bramante 88/90, 10126 Turin, Italy
| | - Noemi Gatti
- Department of Life Sciences and Systems Biology, University of Torino, Via Quarello 15/A, 10135 Turin, Italy
| | - Anna Maria Cuffini
- Department of Public Health and Pediatrics, University of Torino, Via Santena 9, 10126 Turin, Italy
- Correspondence: (G.B.); (A.M.C.); Tel.: +39-011-670-5627 (G.B.); +39-011-670-5638 (A.M.C.)
| | - Paola Palmero
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi, 24, 10129 Turin, Italy
| | - Valeria Allizond
- Department of Public Health and Pediatrics, University of Torino, Via Santena 9, 10126 Turin, Italy
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15
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Phenolic compounds and antimicrobial properties of mint and thyme. J Herb Med 2022. [DOI: 10.1016/j.hermed.2022.100604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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16
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Zhao H, Ren S, Yang H, Tang S, Guo C, Liu M, Tao Q, Ming T, Xu H. Peppermint essential oil: its phytochemistry, biological activity, pharmacological effect and application. Biomed Pharmacother 2022; 154:113559. [PMID: 35994817 DOI: 10.1016/j.biopha.2022.113559] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 08/11/2022] [Accepted: 08/14/2022] [Indexed: 12/18/2022] Open
Abstract
Mentha (also known as peppermint), a genus of plants in the taxonomic family Lamiaceae (mint family), is widely distributed throughout temperate regions of the world. Mentha contains various constituents that are classified as peppermint essential oil (PEO) and non-essential components. PEO, consisting mainly of menthol, menthone, neomenthol and iso-menthone, is a mixture of volatile metabolites with anti-inflammatory, antibacterial, antiviral, scolicidal, immunomodulatory, antitumor, neuroprotective, antifatigue and antioxidant activities. Mounting evidence indicates that PEO may pharmacologically protect gastrointestinal, liver, kidney, skin, respiratory, brain and nervous systems, and exert hypoglycemic and hypolipidemic effects. Clinically, PEO is used for gastrointestinal and dermatological diseases, postoperative adjuvant therapy and other fields. This review aims to address the advances in the extraction and isolation of PEO, its biological activities, pharmacological effects, toxicity and applications, with an emphasis on the efficacy of PEO on burn wounds and psoriasis, providing a comprehensive foundation for research, development and application of PEO in future.
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Affiliation(s)
- Hui Zhao
- State Key Laboratory of Southwestern Chinese Medicine Resources, Department of Pharmacology, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; Department of Pharmacology, School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450000, China
| | - Shan Ren
- State Key Laboratory of Southwestern Chinese Medicine Resources, Department of Pharmacology, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Han Yang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Department of Pharmacology, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Shun Tang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Department of Pharmacology, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Chenyang Guo
- Department of Pharmacology, School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450000, China
| | - Maolun Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Department of Pharmacology, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Qiu Tao
- State Key Laboratory of Southwestern Chinese Medicine Resources, Department of Pharmacology, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Tianqi Ming
- State Key Laboratory of Southwestern Chinese Medicine Resources, Department of Pharmacology, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Haibo Xu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Department of Pharmacology, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
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Current Knowledge on Biomaterials for Orthopedic Applications Modified to Reduce Bacterial Adhesive Ability. Antibiotics (Basel) 2022; 11:antibiotics11040529. [PMID: 35453280 PMCID: PMC9024841 DOI: 10.3390/antibiotics11040529] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/08/2022] [Accepted: 04/11/2022] [Indexed: 02/01/2023] Open
Abstract
A significant challenge in orthopedics is the design of biomaterial devices that are able to perform biological functions by substituting or repairing various tissues and controlling bone repair when required. This review presents an overview of the current state of our recent research into biomaterial modifications to reduce bacterial adhesive ability, compared with previous reviews and excellent research papers, but it is not intended to be exhaustive. In particular, we investigated biomaterials for replacement, such as metallic materials (titanium and titanium alloys) and polymers (ultra-high-molecular-weight polyethylene), and biomaterials for regeneration, such as poly(ε-caprolactone) and calcium phosphates as composites. Biomaterials have been designed, developed, and characterized to define surface/bulk features; they have also been subjected to bacterial adhesion assays to verify their potential capability to counteract infections. The addition of metal ions (e.g., silver), natural antimicrobial compounds (e.g., essential oils), or antioxidant agents (e.g., vitamin E) to different biomaterials conferred strong antibacterial properties and anti-adhesive features, improving their capability to counteract prosthetic joint infections and biofilm formation, which are important issues in orthopedic surgery. The complexity of biological materials is still far from being reached by materials science through the development of sophisticated biomaterials. However, close interdisciplinary work by materials scientists, engineers, microbiologists, chemists, physicists, and orthopedic surgeons is indeed necessary to modify the structures of biomaterials in order to achieve implant integration and tissue regeneration while avoiding microbial contamination.
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Mahdy OA, Abdel-Maogood SZ, Abdelrahman HA, Fathy FM, Salem MA. Assessment of Verbesina alternifolia and Mentha piperita oil extracts on Clinostomum phalacrocoracis metacercariae from Tilapia zillii. BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2022. [DOI: 10.1186/s43088-022-00229-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Clinostomiasis (yellow grub disease) is a disease of freshwater fish caused by the encysted metacercariae (EMC) of Clinostomum spp. showing retarded growth, unusual host behavior, and even death in fishes. Thus, the purpose of this study was to conduct an assessment of two selected plant extract: V. alternifolia and M. piperita oil extracts on tegument surface of C. phalacrocoracis metacercariae (MC) from T.zillii as utilisation of biodegradable, eco-friendly plant extracts in environmental remediation to avoid utilization of chemotherapy to control of parasitic diseases leading to potential long-term health risks on the environment and humans.
Results
The results of evaluation efficacy of plant oil extracts, namely V. alternifolia and M. piperita on C. phalacrocoracis MC infecting T. zillii, were dependent on dose and exposure time. The lethal concentrations caused by V. alternifolia extract were determined LC50 at (400 ppm/24 h), and contrarily, the worms from gp2 exposed to M. piperita extract at LC50 (1000 ppm/48 h) and did not cause complete mortality among the exposed worms. Statistically, mortality of C. phalacrocoracis caused by V. alternifolia was found to be a stronger effect significantly higher than that caused by M. piperita. The fine integument structures observed suffered stronger effect that appeared as severe damage and desquamation of worm’s teguments after exposure of V. alternifolia. In contrast, the M. piperita treatment exhibited edematous, swollen teguments, and blebs. Therefore, C. phalacrocoracis was an adequate model for evaluation of in vitro anthelmintic effects, contributing to the endeavors to identify suitable plant extracts, V. alternifolia and M. piperita.
Conclusions
This study highlights on assessment of selected two plant extracts; V. alternifolia and M. piperita revealed a stronger effect of V. alternifolia than M. piperita on tegumental surface of C. phalacrocoracis worms and, also, recommended the successful utilization of V. alternifolia on investigated worms as anthelmintic efficacy.
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Surowiak AK, Sowała M, Talma M, Groborz K, Balcerzak L, Lochyński S, Strub DJ. Cytotoxicity, early safety screening, and antimicrobial potential of minor oxime constituents of essential oils and aromatic extracts. Sci Rep 2022; 12:5319. [PMID: 35351944 PMCID: PMC8964709 DOI: 10.1038/s41598-022-09210-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 03/17/2022] [Indexed: 11/24/2022] Open
Abstract
Due to market and legislative expectations, there is a constant need to explore new potential antimicrobial agents for functional perfumery. In this study, we evaluated the antimicrobial activity of 53 low molecular oximes and the corresponding carbonyl compounds against Escherichia coli, Enterococcus hirae, Pseudomonas aeruginosa, Bacillus cereus, Staphylococcus aureus, Aspergillus brasiliensis, Legionella pneumophila and Candida albicans. The most potent compound was α-isomethylionone oxime, which exhibited a minimum inhibitory concentration (MIC) of 18.75 µg/mL against E. hirae. The evaluation of the MICs for bacterial and fungal strains was performed for selected compounds, for example, the MIC of 2-phenylpropionaldehyde, cis-jasmone oxime, and trans-cinnamaldehyde measured against A. brasiliensis was 37.50 µg/mL. ADME-Tox (Absorption, Distribution, Metabolism, Excretion, and Toxicity) and 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium (MTS) cell viability assays were performed to assess the cytotoxicity of tested compounds. ADME-Tox indicated the safety and promising properties of selected compounds, which enables their usage as nontoxic supporting antibacterial agents. The results of the in vitro MTS assay were consistent with the ADME-Tox results. None of the compounds tested was toxic to Human Embryonic Kidney 293T (HEK293T) cells, with all cell viabilities exceeding 85%.
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Affiliation(s)
- Alicja Karolina Surowiak
- Department of Chemical Biology and Bioimaging, Faculty of Chemistry, Wrocław University of Science and Technology, Wyb. Wyspiańskiego 27, 50-370, Wrocław, Poland
| | - Marta Sowała
- Department of Chemical Biology and Bioimaging, Faculty of Chemistry, Wrocław University of Science and Technology, Wyb. Wyspiańskiego 27, 50-370, Wrocław, Poland
| | - Michał Talma
- Department of Bioorganic Chemistry, Faculty of Chemistry, Wrocław University of Science and Technology, Wyb. Wyspiańskiego 27, 50-370, Wrocław, Poland
| | - Katarzyna Groborz
- Department of Chemical Biology and Bioimaging, Faculty of Chemistry, Wrocław University of Science and Technology, Wyb. Wyspiańskiego 27, 50-370, Wrocław, Poland
| | - Lucyna Balcerzak
- Department of Chemical Biology and Bioimaging, Faculty of Chemistry, Wrocław University of Science and Technology, Wyb. Wyspiańskiego 27, 50-370, Wrocław, Poland
| | - Stanisław Lochyński
- Department of Chemical Biology and Bioimaging, Faculty of Chemistry, Wrocław University of Science and Technology, Wyb. Wyspiańskiego 27, 50-370, Wrocław, Poland.,Institute of Cosmetology, Wroclaw College of Physiotherapy, T. Kościuszki 4, 50-038, Wrocław, Poland
| | - Daniel Jan Strub
- Department of Chemical Biology and Bioimaging, Faculty of Chemistry, Wrocław University of Science and Technology, Wyb. Wyspiańskiego 27, 50-370, Wrocław, Poland. .,Liquid Technologies SP. Z O.O., Gdańska 13, 50-344, Wrocław, Poland.
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20
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Silva WMF, Bona NP, Pedra NS, Cunha KFD, Fiorentini AM, Stefanello FM, Zavareze ER, Dias ARG. Risk assessment of in vitro cytotoxicity, antioxidant and antimicrobial activities of Mentha piperita L. essential oil. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2022; 85:230-242. [PMID: 34781835 DOI: 10.1080/15287394.2021.1999875] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The objective of this study was to determine the chemical composition as well as antioxidant, antibacterial, and cytotoxic properties of the essential oil of Mentha piperita L. (peppermint). Fifteen chemical constituents were identified in the essential oil, for a total of 99.99% of the compounds. The essential oil exhibited antimicrobial activity against two Gram-positive bacteria Staphylococcus aureus and Listeria monocytogenes. The minimum inhibitory concentration (MIC) of essential oil of Mentha piperita L. for Staphylococcus aureus and Listeria monocytogenes was 1.84 μg/ml, whereas the minimum bactericidal concentration (MBC) values were 3.7 and 7.43 μg/ml, respectively. The oil displayed potent antioxidant activity inhibiting up to approximately73% of 2,2'-azinothiobis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) radicals. In the cytotoxicity assay, the highest essential oil concentration (100 μg/ml) resulted in viability of approximately 90% human epidermal keratinocyte (HaCaT) cells. With respect to antitumor activity in C6 rat glioma cells, there was significant reduction in cell viability: 56-74% in 24 hr, and 71-77% in 48 hr. Data suggest that in presence of the essential oil of Mentha piperita L. antioxidant, antibacterial, antitumor and non-cytotoxic properties were noted.
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Affiliation(s)
- W M F Silva
- Agroindustrial Science and Technology Department, Federal University of Pelotas, Campus Capão Do Leão, Pelotas, Brazil
| | - N P Bona
- Postgraduate Program in Biochemistry and Bioprospecting - Laboratory of Neurochemistry, Inflammation and Cancer, Center for Chemical, Pharmaceutical and Food Sciences, Federal University of Pelotas, University Campus S/n, Pelotas, Brazil
| | - N S Pedra
- Postgraduate Program in Biochemistry and Bioprospecting - Laboratory of Neurochemistry, Inflammation and Cancer, Center for Chemical, Pharmaceutical and Food Sciences, Federal University of Pelotas, University Campus S/n, Pelotas, Brazil
| | - K F Da Cunha
- Department of Microbiology and Parasitology, Institute of Biology, Federal University of Pelotas, Pelotas, Brazil
| | - A M Fiorentini
- Agroindustrial Science and Technology Department, Federal University of Pelotas, Campus Capão Do Leão, Pelotas, Brazil
| | - F M Stefanello
- Postgraduate Program in Biochemistry and Bioprospecting - Laboratory of Neurochemistry, Inflammation and Cancer, Center for Chemical, Pharmaceutical and Food Sciences, Federal University of Pelotas, University Campus S/n, Pelotas, Brazil
| | - E R Zavareze
- Agroindustrial Science and Technology Department, Federal University of Pelotas, Campus Capão Do Leão, Pelotas, Brazil
| | - A R G Dias
- Agroindustrial Science and Technology Department, Federal University of Pelotas, Campus Capão Do Leão, Pelotas, Brazil
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21
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Iacopetta D, Ceramella J, Catalano A, Saturnino C, Pellegrino M, Mariconda A, Longo P, Sinicropi MS, Aquaro S. COVID-19 at a Glance: An Up-to-Date Overview on Variants, Drug Design and Therapies. Viruses 2022; 14:v14030573. [PMID: 35336980 PMCID: PMC8950852 DOI: 10.3390/v14030573] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 02/23/2022] [Accepted: 02/24/2022] [Indexed: 02/06/2023] Open
Abstract
Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) is a member of the Coronavirus family which caused the worldwide pandemic of human respiratory illness coronavirus disease 2019 (COVID-19). Presumably emerging at the end of 2019, it poses a severe threat to public health and safety, with a high incidence of transmission, predominately through aerosols and/or direct contact with infected surfaces. In 2020, the search for vaccines began, leading to the obtaining of, to date, about twenty COVID-19 vaccines approved for use in at least one country. However, COVID-19 continues to spread and new genetic mutations and variants have been discovered, requiring pharmacological treatments. The most common therapies for COVID-19 are represented by antiviral and antimalarial agents, antibiotics, immunomodulators, angiotensin II receptor blockers, bradykinin B2 receptor antagonists and corticosteroids. In addition, nutraceuticals, vitamins D and C, omega-3 fatty acids and probiotics are under study. Finally, drug repositioning, which concerns the investigation of existing drugs for new therapeutic target indications, has been widely proposed in the literature for COVID-19 therapies. Considering the importance of this ongoing global public health emergency, this review aims to offer a synthetic up-to-date overview regarding diagnoses, variants and vaccines for COVID-19, with particular attention paid to the adopted treatments.
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Affiliation(s)
- Domenico Iacopetta
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, Italy; (D.I.); (J.C.); (M.P.); (M.S.S.); (S.A.)
| | - Jessica Ceramella
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, Italy; (D.I.); (J.C.); (M.P.); (M.S.S.); (S.A.)
| | - Alessia Catalano
- Department of Pharmacy-Drug Sciences, University of Bari “Aldo Moro”, 70126 Bari, Italy
- Correspondence: ; Tel.: +39-0805442746
| | - Carmela Saturnino
- Department of Science, University of Basilicata, 85100 Potenza, Italy; (C.S.); (A.M.)
| | - Michele Pellegrino
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, Italy; (D.I.); (J.C.); (M.P.); (M.S.S.); (S.A.)
| | - Annaluisa Mariconda
- Department of Science, University of Basilicata, 85100 Potenza, Italy; (C.S.); (A.M.)
| | - Pasquale Longo
- Department of Chemistry and Biology, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Italy;
| | - Maria Stefania Sinicropi
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, Italy; (D.I.); (J.C.); (M.P.); (M.S.S.); (S.A.)
| | - Stefano Aquaro
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, Italy; (D.I.); (J.C.); (M.P.); (M.S.S.); (S.A.)
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22
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Pourhajibagher M, Keshavarz Valian N, Bahador A. Theranostic nanoplatforms of emodin-chitosan with blue laser light on enhancing the anti-biofilm activity of photodynamic therapy against Streptococcus mutans biofilms on the enamel surface. BMC Microbiol 2022; 22:68. [PMID: 35246026 PMCID: PMC8896274 DOI: 10.1186/s12866-022-02481-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 02/21/2022] [Indexed: 12/24/2022] Open
Abstract
Background Combining photosensitizer and light irradiation, named antimicrobial photodynamic therapy (aPDT) is an adjuvant therapy for eliminating microbial biofilms. This ex vivo study evaluates the effect of anti-biofilm activity of aPDT based on emodin-chitosan nanoparticles (Emo-CS-NPs) plus blue laser light against Streptococcus mutans biofilm on the enamel surface. Materials After determination of the fractional inhibitory concentration index of Emo and CS by checkerboard array assay, Emo-CS-NPs were synthesized and characterized. Following treatment of pre-formed S. mutans biofilms on the enamel slabs, cellular uptake of Emo-CS-NPs and intracellular reactive oxygen species (ROS) production were determined. The anti-biofilm and anti-metabolic activities of aPDT were investigated. Eventually, lactic acid production capacity, concentrations of S. mutans extracellular DNA (eDNA) levels, and expression of the gene involved in the biofilm formation (gtfB) were evaluated. Results The maximum uptake of Emo-CS-NPs occurs in an incubation time of 5 min. When irradiated, Emo-CS-NPs were photoactivated, generating ROS, and led to a decrease in the cell viability and metabolic activity of S. mutans significantly (P < 0.05). S. mutans eDNA and lactic acid production outcomes indicated that Emo-CS-NPs-mediated aPDT led to a significant reduction of eDNA levels (48%) and lactic acid production (72.4%) compared to the control group (P < 0.05). In addition, gtfB mRNA expression in S. mutans was downregulated (7.8-fold) after aPDT in comparison with the control group (P < 0.05). Conclusions Our data support that, aPDT using Emo-CS-NPs revealed the highest cellular uptake and ROS generation. Emo-CS-NPs based aPDT could inhibit significantly biofilm formation and reduce effectively virulence potency of S. mutans; thus, it could be an adjuvant therapy against dental caries.
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Affiliation(s)
- Maryam Pourhajibagher
- Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Nasrin Keshavarz Valian
- Department of Periodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abbas Bahador
- Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran. .,Fellowship in Clinical Laboratory Sciences, BioHealth Lab, Tehran, Iran.
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23
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Sarecka-Hujar B, Szulc-Musioł B. Herbal Medicines-Are They Effective and Safe during Pregnancy? Pharmaceutics 2022; 14:171. [PMID: 35057067 PMCID: PMC8802657 DOI: 10.3390/pharmaceutics14010171] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 12/13/2021] [Accepted: 01/08/2022] [Indexed: 02/05/2023] Open
Abstract
Since the teratogenicity of Thalidomide has been proven, herbal products are more commonly used in pregnancy to not only relieve morning sickness but also to fight infections. These products are frequently considered as natural and therefore harmless. However, herbs contain a number of active substances that, when used during pregnancy, can affect the development of the fetus. Often, pregnant women do not consult the usage of herbal medicines with a physician. The access to these products is easy and treatment of certain ailments with the use of herbs is common in many countries. The aim of the present literature review was to discuss available data regarding the efficacy and safety of cranberry, chamomile, Echinacea purpurea, garlic, ginger, Ginkgo biloba, and peppermint, which are used to counteract the most common ailments during pregnancy, i.e., infections and pregnancy-related ailments (e.g., nausea and vomiting, dizziness, and headache). Analysis of available data showed that ginger is one of the most extensively analyzed herbal remedies. The dose of ginger below 1000 mg per day may help to relief hypereremesis gravidarum, and such an amount of ginger did not increase frequency of adverse effects for either woman or developing fetus. Data regarding other herbs are most often heterogeneous and give conflicting results with no clear conclusions. However, all herbal products should be used with a special caution in pregnancy. Further high-quality human studies should be determined to confirm the safe doses of herbal products which could be used by pregnant or breast-feeding women.
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Affiliation(s)
- Beata Sarecka-Hujar
- Department of Basic Biomedical Science, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Kasztanowa Str. 3, 41-200 Sosnowiec, Poland
| | - Beata Szulc-Musioł
- Department of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Kasztanowa Str. 3, 41-200 Sosnowiec, Poland;
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24
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Carocci A. Meet the Editorial Board Member. Mini Rev Med Chem 2022. [DOI: 10.2174/138955752201220103195556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Alessia Carocci
- Department of Pharmacy-Drug science,
University of Bari Aldo Moro,
Bari,
Italy
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25
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Comprehensive Evaluation of the Antibacterial and Antifungal Activities of Carlina acaulis L. Essential Oil and Its Nanoemulsion. Antibiotics (Basel) 2021; 10:antibiotics10121451. [PMID: 34943662 PMCID: PMC8698297 DOI: 10.3390/antibiotics10121451] [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: 10/21/2021] [Revised: 11/14/2021] [Accepted: 11/22/2021] [Indexed: 11/25/2022] Open
Abstract
Plants are considered to be an excellent source of new compounds with antibiotic activity. Carlina acaulis L. is a medicinal plant whose essential oil (EO) is mainly characterized by the polyacetylene carlina oxide, which has antimicrobial properties. The aim of this study was to evaluate the antimicrobial and antifungal activities of C. acaulis EO, carlina oxide, and nanoemulsion (NE) containing the EO. The EO was obtained through plant roots hydrodistillation, and carlina oxide was purified from it through silica gel column chromatography. The NE containing C. acaulis EO was prepared with the high-pressure homogenization method, and the minimum inhibitory concentration (MIC) was determined against several bacterial and fungal strains for all the C. acaulis-derived products. The latter resulted active versus all the screened Gram-positive bacterial strains and also on all the fungal strains with low MIC values. For yeast, the EO and carlina oxide showed good MIC values. The EO-NE demonstrated a better activity than the pure EO on all the tested bacterial and fungal strains. The results suggest that C. acaulis-derived products could be potential candidates for the development of natural antibacterial and antifungal agents.
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26
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Demirci F, Karadağ AE, Biltekin SN, Demirci B. In Vitro ACE2 and 5-LOX Enzyme Inhibition by Menthol and Three Different Mint Essential Oils. Nat Prod Commun 2021. [DOI: 10.1177/1934578x211055014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Mentha arvensis L., M. citrata L., and M. spicata L. (family Lamiaceae) essential oils, and their characteristic constituent, menthol, were evaluated in vitro for angiotensin converting enzyme 2 (ACE2) and 5-lipoxygenase (5-LOX) enzyme inhibitory activity. The chemical compositions of M. arvensis, M. citrata, and M. spicata essential oils were analysed both by GC-FID, and GC/MS; 82.0%, 38.1%, and 0.4% menthol were identified, respectively. M. spicata essential oil contained 88.2% carvone as its major component. The enzyme inhibitory activities of the essential oils were evaluated using a fluorometric multiplate based enzyme inhibition kit; the ACE2 inhibitions produced by M. arvensis, M. citrata, and M. spicata essential oils were 33%, 22%, and 73%, while the 5-LOX inhibitions were 84%, 79%, and 70%, respectively. In addition, menthol also showed remarkable ACE2 inhibition of 99.8%, whereas the 5-LOX inhibition was 79.9%. As a result, menthol and the three different mint essential oils may have antiviral potential applications against coronaviruses due to their ACE2 enzyme inhibition and anti-inflammatory features. However, further in vivo studies are needed to confirm the safety and efficacy.
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Affiliation(s)
- Fatih Demirci
- Department of Pharmacognosy, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
- Faculty of Pharmacy, Eastern Mediterranean University, Famagusta, N. Cyprus, Mersin, Turkey
| | - Ayşe Esra Karadağ
- Department of Pharmacognosy, School of Pharmacy, Istanbul Medipol University, Beykoz, Istanbul, Turkey
- Graduate School of Health Sciences, Anadolu University, Eskişehir, Turkey
| | - Sevde Nur Biltekin
- Department of Pharmaceutical Microbiology, School of Pharmacy, Istanbul Medipol University, Beykoz, Istanbul, Turkey
- Institute of Sciences, Istanbul University, Istanbul, Turkey
| | - Betül Demirci
- Department of Pharmacognosy, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
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27
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Morais LVFD, Luz JRDD, Nascimento TESD, Azevedo MADS, Rocha WPDS, Araujo-Silva G, Ururahy MAG, Chaves GM, Brandão-Neto J, López JA, Santos ECG, Almeida MDG. Phenolic Composition, Toxicity Potential, and Antimicrobial Activity of Licania rigida Benth (Chrysobalanaceae) Leaf Extracts. J Med Food 2021; 25:97-109. [PMID: 34714151 DOI: 10.1089/jmf.2021.0059] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
This study was conducted to evaluate the phenolic composition, toxicity, and antimicrobial activity of Licania rigida Benth, an underexploited wild Licania species. L. rigida leaf fractions (ethyl alcohol and ethyl acetate) were analyzed for their phenolic compound and flavonoid total, and high-performance liquid chromatography/ultraviolet spectra chromatographic profiles. Regarding the extract biological effects, toxicity was measured by acute oral toxicity in Wistar rats, MTT [3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide] method, and apoptosis indicators with DAPI in VERO cells, whereas well-agar diffusion and broth microdilution assays were applied to evaluate the antimicrobial ability. The phytochemical analysis resulted in significant amounts of phenolic compounds and total flavonoids in the extract and fraction, with flavonol-3-O-glycosylates as the main constituent. Regarding the extract and fraction antimicrobial activity, the results showed a significant effect against gram-positive bacteria and fungi, among which Staphylococcus epidermidis and Candida krusei displayed more susceptibility. No toxicity effects were observed in animals. Concerning the cytotoxicity assay, only the highest dose tested exhibited a minimal toxic effect on the analyzed cell lines. These results are relevant considering the increase of multiresistant microorganisms to conventional treatments applied. Therefore, investigating the pharmacological properties of the genus Licania is promising in the search for new sources of antimicrobial compounds.
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Affiliation(s)
| | - Jefferson Romáryo Duarte da Luz
- Post-Graduation Program in Health Sciences, Health Sciences Center, Federal University of Rio Grande do Norte, Natal, Brazil.,Multidisciplinary Research Laboratory, DACT, Health Sciences Center, Federal University of Rio Grande do Norte, Natal, Brazil
| | | | | | | | - Gabriel Araujo-Silva
- Organic Chemistry and Biochemistry Laboratory, Amapá State University (UEAP), Macapá, Brazil
| | - Marcela Abbott Galvão Ururahy
- Post-graduation Program in Pharmaceutical Sciences, Health Sciences Center, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Guilherme Maranhão Chaves
- Post-graduation Program in Pharmaceutical Sciences, Health Sciences Center, Federal University of Rio Grande do Norte, Natal, Brazil.,Post-Graduation Program in Health Sciences, Health Sciences Center, Federal University of Rio Grande do Norte, Natal, Brazil
| | - José Brandão-Neto
- Department of Clinical Medicine, Health Sciences Center, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Jorge A López
- Industrial Biotechnology Graduation Program, Tiradentes University, Aracaju, Brazil.,Molecular Biology Laboratory, Research and Technology Institute, Aracaju, Brazil
| | - Elizabeth Cristina Gomes Santos
- Multidisciplinary Research Laboratory, DACT, Health Sciences Center, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Maria das Graças Almeida
- Post-graduation Program in Pharmaceutical Sciences, Health Sciences Center, Federal University of Rio Grande do Norte, Natal, Brazil.,Post-Graduation Program in Health Sciences, Health Sciences Center, Federal University of Rio Grande do Norte, Natal, Brazil.,Multidisciplinary Research Laboratory, DACT, Health Sciences Center, Federal University of Rio Grande do Norte, Natal, Brazil
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28
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Hlebová M, Hleba L, Medo J, Kováčik A, Čuboň J, Ivana C, Uzsáková V, Božik M, Klouček P. Antifungal and synergistic activities of some selected essential oils on the growth of significant indoor fungi of the genus Aspergillus. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2021; 56:1335-1346. [PMID: 34705616 DOI: 10.1080/10934529.2021.1994801] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 10/11/2021] [Accepted: 10/11/2021] [Indexed: 06/13/2023]
Abstract
The study aimed to assess the antifungal activity of twenty-five essential oils (EOs) and the potential synergistic activity of the most effective EOs against significant indoor fungi of the genus Aspergillus [A. fumigatus (KBio-122), A. flavus (KBio-134), A. terreus (KBio-145) and A. niger (KBio-202)]. The chemical composition of all EOs was evaluated by the gas chromatography coupled with mass spectrometry (GC/MS) and gas chromatography with flame ionization detector (GC-FID) analysis. The antifungal susceptibility of EOs was evaluated by using the broth microdilution method. The most effective EOs were selected to determine the minimum inhibitory concentrations (MICs) and minimum fungicidal concentrations (MFCs) at a concentration range from 256 to 0.125 μg/mL. For the synergistic activities, the most effective EOs were tested using the chessboard pattern. The most sensitive strain to treatments with essential oils alone and in the combination of EOs was A. flavus (KBio-134). The chessboard assay showed that combinations of lemongrass and thyme EOs proved the most potent synergistic antifungal activity (FICI = 0.1875) against A. fumigatus (KBio-122). The synergy displayed by a combination of some EOs may be used to control fungal growth or increasing resistance to available synthetic antifungals, consequently permitting the reduction of their most active doses.
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Affiliation(s)
- Miroslava Hlebová
- Department of Biology, Faculty of Natural Sciences, University of Ss. Cyril and Methodius in Trnava, Trnava, Slovak Republic
| | - Lukas Hleba
- Institute of Biotechnology, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture, Nitra, Slovak Republic
| | - Juraj Medo
- Institute of Biotechnology, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture, Nitra, Slovak Republic
| | - Anton Kováčik
- Institute of Applied Biology, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture in Nitra, Nitra, Slovak Republic
| | - Juraj Čuboň
- Institute of Food Science, Faculty of Biotechnology and Food Sciences, Nitra, Slovak Republic
| | - Charousová Ivana
- Clinical Microbiology Laboratory, UNILABS SLOVENSKO, s.r.o., Likavka, Slovak Republic
| | - Viktória Uzsáková
- Department of Biology, Faculty of Natural Sciences, University of Ss. Cyril and Methodius in Trnava, Trnava, Slovak Republic
- Institute of Biotechnology, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture, Nitra, Slovak Republic
| | - Matej Božik
- Department of Food Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague 6 - Suchdol, Czech Republic
| | - Pavel Klouček
- Department of Food Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague 6 - Suchdol, Czech Republic
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29
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Bittner Fialová S, Rendeková K, Mučaji P, Nagy M, Slobodníková L. Antibacterial Activity of Medicinal Plants and Their Constituents in the Context of Skin and Wound Infections, Considering European Legislation and Folk Medicine-A Review. Int J Mol Sci 2021; 22:ijms221910746. [PMID: 34639087 PMCID: PMC8509446 DOI: 10.3390/ijms221910746] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/26/2021] [Accepted: 10/01/2021] [Indexed: 12/24/2022] Open
Abstract
Bacterial infections of skin and wounds may seriously decrease the quality of life and even cause death in some patients. One of the largest concerns in their treatment is the growing antimicrobial resistance of bacterial infectious agents and the spread of resistant strains not only in the hospitals but also in the community. This trend encourages researchers to seek for new effective and safe therapeutical agents. The pharmaceutical industry, focusing mainly on libraries of synthetic compounds as a drug discovery source, is often failing in the battle with bacteria. In contrast, many of the natural compounds, and/or the whole and complex plants extracts, are effective in this field, inactivating the resistant bacterial strains or decreasing their virulence. Natural products act comprehensively; many of them have not only antibacterial, but also anti-inflammatory effects and may support tissue regeneration and wound healing. The European legislative is in the field of natural products medicinal use formed by European Medicines Agency (EMA), based on the scientific work of its Committee on Herbal Medicinal Products (HMPC). HMPC establishes EU monographs covering the therapeutic uses and safe conditions for herbal substances and preparations, mostly based on folk medicine, but including data from scientific research. In this review, the medicinal plants and their active constituents recommended by EMA for skin disorders are discussed in terms of their antibacterial effect. The source of information about these plant products in the review is represented by research articles listed in scientific databases (Science Direct, PubMed, Scopus, Web of Science, etc.) published in recent years.
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Affiliation(s)
- Silvia Bittner Fialová
- Department of Pharmacognosy and Botany, Faculty of Pharmacy, Comenius University in Bratislava, Odbojárov 10, 832 32 Bratislava, Slovakia; (K.R.); (P.M.); (M.N.)
- Correspondence: ; Tel.: +421-250-117-206
| | - Katarína Rendeková
- Department of Pharmacognosy and Botany, Faculty of Pharmacy, Comenius University in Bratislava, Odbojárov 10, 832 32 Bratislava, Slovakia; (K.R.); (P.M.); (M.N.)
| | - Pavel Mučaji
- Department of Pharmacognosy and Botany, Faculty of Pharmacy, Comenius University in Bratislava, Odbojárov 10, 832 32 Bratislava, Slovakia; (K.R.); (P.M.); (M.N.)
| | - Milan Nagy
- Department of Pharmacognosy and Botany, Faculty of Pharmacy, Comenius University in Bratislava, Odbojárov 10, 832 32 Bratislava, Slovakia; (K.R.); (P.M.); (M.N.)
| | - Lívia Slobodníková
- Institute of Microbiology, Faculty of Medicine and the University Hospital in Bratislava, Comenius University in Bratislava, Sasinkova 4, 811 08 Bratislava, Slovakia;
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Clodoveo ML, Muraglia M, Fino V, Curci F, Fracchiolla G, Corbo FFR. Overview on Innovative Packaging Methods Aimed to Increase the Shelf-Life of Cook-Chill Foods. Foods 2021; 10:foods10092086. [PMID: 34574196 PMCID: PMC8469076 DOI: 10.3390/foods10092086] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 08/27/2021] [Accepted: 08/30/2021] [Indexed: 12/27/2022] Open
Abstract
The consumption of meals prepared, packaged, and consumed inside and outside the home is increasing globally. This is a result of rapid changes in lifestyles as well as innovations in advanced food technologies that have enabled the food industry to produce more sustainable and healthy fresh packaged convenience foods. This paper presents an overview of the technologies and compatible packaging systems that are designed to increase the shelf-life of foods prepared by cook–chill technologies. The concept of shelf-life is discussed and techniques to increase the shelf life of products are presented including active packaging strategies.
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Affiliation(s)
- Maria Lisa Clodoveo
- Interdisciplinary Department of Medicine, University Aldo Moro Bari, 70125 Bari, Italy;
| | - Marilena Muraglia
- Department of Pharmacy-Drug Sciences, University Aldo Moro Bari, 70125 Bari, Italy; (V.F.); (F.C.); (G.F.); (F.F.R.C.)
- Correspondence:
| | - Vincenzo Fino
- Department of Pharmacy-Drug Sciences, University Aldo Moro Bari, 70125 Bari, Italy; (V.F.); (F.C.); (G.F.); (F.F.R.C.)
| | - Francesca Curci
- Department of Pharmacy-Drug Sciences, University Aldo Moro Bari, 70125 Bari, Italy; (V.F.); (F.C.); (G.F.); (F.F.R.C.)
| | - Giuseppe Fracchiolla
- Department of Pharmacy-Drug Sciences, University Aldo Moro Bari, 70125 Bari, Italy; (V.F.); (F.C.); (G.F.); (F.F.R.C.)
| | - Filomena Faustina Rina Corbo
- Department of Pharmacy-Drug Sciences, University Aldo Moro Bari, 70125 Bari, Italy; (V.F.); (F.C.); (G.F.); (F.F.R.C.)
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Bhattacharya R, Rolta R, Dev K, Sourirajan A. Synergistic potential of essential oils with antibiotics to combat fungal pathogens: Present status and future perspectives. Phytother Res 2021; 35:6089-6100. [PMID: 34324240 DOI: 10.1002/ptr.7218] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 06/17/2021] [Accepted: 06/29/2021] [Indexed: 01/01/2023]
Abstract
The steady rise in the emergence of antibiotic-resistant fungal pathogens has rendered most of the clinical antibiotics available in the market to be ineffective. Therefore, alternative strategies are required to tackle drug-resistant fungal infections. An effective solution is to combine the available antibiotics with adjuvants such as phytochemicals or essential oils to enhance the efficacy and activity of antibiotics. The present review aims to summarize the studies on synergistic combinations of essential oils and anti-fungal antibiotics. The current findings, methods used for measuring synergistic effects, possible mechanisms of synergism, and future perspectives for developing synergistic EO-antibiotic therapeutic formulations are discussed in this study. Several essential oils exhibit synergistic effect in combination with antibiotics against human fungal pathogens such as Candida albicans. The possible mechanisms of synergy exhibited by essential oil- antibiotic combinations in fungi include disruption of cell wall structure/ ergosterol biosynthesis pathway, enhanced transdermal penetration of antibiotics, alterations in membrane permeability, intracellular leakage of cellular contents, inhibition of germ tube formation or fungal biofilm formation, and competition for a primary target. Synergistic combination of essential oils and antibiotics can prove to be a valid and pragmatic alternative to develop drugs with increased drug-efficacy, and low toxicity.
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Affiliation(s)
- Riya Bhattacharya
- Faculty of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, Himachal Pradesh, India
| | - Rajan Rolta
- Faculty of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, Himachal Pradesh, India
| | - Kamal Dev
- Faculty of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, Himachal Pradesh, India
| | - Anuradha Sourirajan
- Faculty of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, Himachal Pradesh, India
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Catalano A, Rosato A, Salvagno L, Iacopetta D, Ceramella J, Fracchiolla G, Sinicropi MS, Franchini C. Benzothiazole-Containing Analogues of Triclocarban with Potent Antibacterial Activity. Antibiotics (Basel) 2021; 10:803. [PMID: 34356724 PMCID: PMC8300675 DOI: 10.3390/antibiotics10070803] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Revised: 06/23/2021] [Accepted: 06/29/2021] [Indexed: 11/16/2022] Open
Abstract
Triclocarban (TCC) is a polychlorinated, aromatic, antimicrobial agent commercially used since the 1950s in personal care products for the prevention of spoilage and infections. Humans are frequently exposed to TCC due to its widespread use, leading to its substantial release into the aquatic environment. With the recent ban of TCC from some personal care products, implemented in 2016, many replacement antimicrobial compounds have been studied by researchers. Herein, we report the synthesis and biological activity of a series of diarylureas, analogues of TCC that bear the benzothiazole nucleus as one of the two aryl moieties. Among the studied compounds, 2bF and 2eC showed the highest antimicrobial activity against Staphylococcus aureus, being also more active than TCC, with MIC values of 8 µg/mL versus 16 µg/mL of TCC. Moreover, compound 2bB was much more active than TCC against Enterococcus faecalis, a Gram-positive bacterium that is, unfortunately, strongly responsible for nosocomial infections. Finally, interesting results were found for compound 2bG that, even though less active than the others, exerts an interesting bactericidal action.
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Affiliation(s)
- Alessia Catalano
- Department of Pharmacy-Drug Sciences, University of Bari “Aldo Moro”, 70126 Bari, Italy; (A.R.); (L.S.); (G.F.); (C.F.)
| | - Antonio Rosato
- Department of Pharmacy-Drug Sciences, University of Bari “Aldo Moro”, 70126 Bari, Italy; (A.R.); (L.S.); (G.F.); (C.F.)
| | - Lara Salvagno
- Department of Pharmacy-Drug Sciences, University of Bari “Aldo Moro”, 70126 Bari, Italy; (A.R.); (L.S.); (G.F.); (C.F.)
| | - Domenico Iacopetta
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, Italy; (D.I.); (J.C.); (M.S.S.)
| | - Jessica Ceramella
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, Italy; (D.I.); (J.C.); (M.S.S.)
| | - Giuseppe Fracchiolla
- Department of Pharmacy-Drug Sciences, University of Bari “Aldo Moro”, 70126 Bari, Italy; (A.R.); (L.S.); (G.F.); (C.F.)
| | - Maria Stefania Sinicropi
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, Italy; (D.I.); (J.C.); (M.S.S.)
| | - Carlo Franchini
- Department of Pharmacy-Drug Sciences, University of Bari “Aldo Moro”, 70126 Bari, Italy; (A.R.); (L.S.); (G.F.); (C.F.)
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Kafa AHT, Aslan R, Celik C, Hasbek M. Antimicrobial synergism and antibiofilm activities of Pelargonium graveolens, Rosemary officinalis, and Mentha piperita essential oils against extreme drug-resistant Acinetobacter baumannii clinical isolates. ACTA ACUST UNITED AC 2021; 77:95-104. [PMID: 34142518 DOI: 10.1515/znc-2021-0079] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 05/31/2021] [Indexed: 11/15/2022]
Abstract
Rosemary officinalis L., Pelargonium graveolens L., and Mentha piperita L., essential oils are used by complementary medicine specialists simultaneously with traditional antibiotics for treatment purposes. The chemical composition of essential oils was analyzed by the gas chromatography-mass spectrometry method. In vitro antibacterial and antibiofilm activities of the essential oils were tested against extreme drug-resistant (XDR) colistin-resistant and colistin susceptible Acinetobacter baumannii clinical strains. The synergistic activities between essential oils and colistin antibiotics were investigated by the checkerboard method. The highest antibacterial effect was detected in mint essential oil (2.5-5 μl/ml), followed by pelargonium essential oil (5-20 μl/ml) and rosemary essential oil (5-20 μl/ml). The combination of rosemary essential oil or pelargonium essential oil with colistin showed strong synergistic activity in most of the bacterial strains tested (fractional inhibitory concentration index ≤ 0.5; synergy). As a result of the combination of mint essential oil and colistin, an indifferent effect was observed in only two bacterial strains, and other strains could not be evaluated. No antagonistic effects were observed in any of the tested essential oils. As a result of the effectiveness of the combination, the minimum inhibitory concentration (MIC) values of colistin in XDR-A. baumannii clinical isolates decreased 2-32 fold. Additionally, the sub-MIC concentration of essential oils exhibited an inhibitory effect (48-90%) against the biofilm layer of tested A. baumannii strains.
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Affiliation(s)
- Ayse Humeyra Taskin Kafa
- Department of Medical Microbiology, Faculty of Medicine, Sivas Cumhuriyet University, 58140, Sivas, Turkey
| | - Rukiye Aslan
- Department of Medical Services and Techniques, Vocational School of Health Services, Sivas Cumhuriyet University, 58140, Sivas, Turkey
| | - Cem Celik
- Department of Medical Microbiology, Faculty of Medicine, Sivas Cumhuriyet University, 58140, Sivas, Turkey
| | - Mursit Hasbek
- Department of Medical Microbiology, Faculty of Medicine, Sivas Cumhuriyet University, 58140, Sivas, Turkey
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Synergistic Activity of New Diclofenac and Essential Oils Combinations against Different Candida spp. Antibiotics (Basel) 2021; 10:antibiotics10060688. [PMID: 34201271 PMCID: PMC8227113 DOI: 10.3390/antibiotics10060688] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 05/30/2021] [Accepted: 06/03/2021] [Indexed: 11/17/2022] Open
Abstract
According to recent studies, Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) have shown a good antimicrobial and antifungal activity. Their association with essential oils (EOs) could be useful for the treatment of infections caused by Candida spp. The aim of this studyis to evaluate the synergistic antifungal activity of new combinations between Diclofenac Sodium Salt (DSS), a widely used NSAID, with EOs of Mentha × piperita, Pelargonium graveolens and Melaleuca alternifolia. The in-vitro antifungal activity was determined on different Candida strains. The determination of the chemical composition of EOs was carried out by gaschromatography-massspectrometry (GC-MS). Susceptibility testing of planktonic cells was performed by using the broth microdilution assay and checkerboard methods. Minimum Inhibitory Concentrations (MIC) of DSS was in a range from 1.02 to 2.05 μg/mL reaching a MIC value of 0.05 μg/mL when combined with Pelargonium graveolens (FICI = 0.23–0.35) or Menthapiperita (FICI = 0.22–0.30) EOs. These preliminary results show thatthe combination of the EOs with DSS improves the antifungal activity on all the tested Candida strains.
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Antimicrobial combined action of Mentha pulegium, Ormenis mixta and Mentha piperita essential oils against S. aureus, E. coli and C. tropicalis: Application of mixture design methodology. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111352] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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Virucidal and antiviral effects of Thymus vulgaris essential oil on feline coronavirus. Res Vet Sci 2021; 137:44-47. [PMID: 33932822 PMCID: PMC8061179 DOI: 10.1016/j.rvsc.2021.04.024] [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: 12/09/2020] [Revised: 04/12/2021] [Accepted: 04/19/2021] [Indexed: 01/12/2023]
Abstract
Feline infectious peritonitis (FIP) is a fatal systemic disease of felids caused by a Coronavirus (CoV) (FIPV). In spite of its clinical relevance and impact on feline health, currently the therapeutic possibilities for treatment of FIP in cats are limited. The emergence of the pandemic Severe Respiratory Syndrome (SARS) coronavirus (CoV) type 2 (SARS-CoV-2), etiological agent of the 2019 Coronavirus Disease (COVID-19), able to infect a broad spectrum of animal species including cats, triggered the interest for the development of novel molecules with antiviral activity for treatment of CoV infections in humans and animals. Essential oils (EOs) have raised significant attention for their antiviral properties integrating and, in some cases, replacing conventional drugs. Thymus vulgaris EO (TEO) has been previously shown to be effective against several RNA viruses including CoVs. In the present study the antiviral efficacy of TEO against FIPV was evaluated in vitro. TEO at 27 μg/ml was able to inhibit virus replication with a significant reduction of 2 log10 TCID50/50 μl. Moreover, virucidal activity was tested using TEO at 27 and 270 μg/ml, over the cytotoxic threshold, determining a reduction of viral titre as high as 3.25 log10 TCID50/50 μl up to 1 h of time contact. These results open several perspectives in terms of future applications and therapeutic possibilities for coronaviruses considering that FIPV infection in cats could be a potential model for the study of antivirals against CoVs.
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Monton C, Suksaeree J. Interaction of herbal ingredients contained in the Trikatuk recipe: design of experiment (DOE) and chemical analysis point of view. ADVANCES IN TRADITIONAL MEDICINE 2021. [DOI: 10.1007/s13596-021-00569-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Shcherbakova L, Mikityuk O, Arslanova L, Stakheev A, Erokhin D, Zavriev S, Dzhavakhiya V. Studying the Ability of Thymol to Improve Fungicidal Effects of Tebuconazole and Difenoconazole Against Some Plant Pathogenic Fungi in Seed or Foliar Treatments. Front Microbiol 2021; 12:629429. [PMID: 33717020 PMCID: PMC7947622 DOI: 10.3389/fmicb.2021.629429] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Accepted: 02/03/2021] [Indexed: 12/16/2022] Open
Abstract
Thymol, a secondary plant metabolite possessing antifungal and chemosensitizing activities, disrupts cell wall or membrane integrity and interferes with ergosterol biosynthesis. Thymol also functions as a redox-active compound inducing generation of reactive oxygen species and lipid peroxidation in fungal cells. Previously, we showed thymol significantly enhanced the in vitro growth inhibitory effect of difenoconazole against Bipolaris sorokiniana and Parastagonospora nodorum. More recently, we demonstrated a possibility to use thymol to overcome the resistance of a P. nodorum strain able to grow on difenoconazole-containing media. However, potential for thymol to serve as a chemosensitizing agent in seed or plant treatments, to provide an effective suppression of the above-mentioned plant pathogens by triazole fungicides applied in lowered dosages, had yet to be tested. In the work presented here, we showed combined treatments of naturally infected barley seeds with thymol and difenoconazole (Dividend® 030 FS) synergistically exacerbated the protective effect against common root rot agent, B. sorokiniana, and other fungi (Fusarium spp. and Alternaria spp.). Similarly, co-applied treatment of wheat seeds, artificially inoculated with Fusarium culmorum, resulted in equivalent reduction of disease incidence on barley seedlings as application of Dividend®, alone, at a ten-fold higher dosage. In foliar treatments of wheat seedlings, thymol combined with Folicur® 250 EC (a.i. tebuconazole) enhanced sensitivity of P. nodorum, a glume/leaf blotch pathogen, to the fungicide and provided a significant mitigation of disease severity on treated seedlings, compared to controls, without increasing Folicur® dosages. Folicur® co-applied with thymol was also significantly more effective against a strain of P. nodorum tolerant to Folicur® alone. No additional deoxynivalenol or zearalenone production was found when a toxigenic F. culmorum was cultured in a nutrient medium containing thymol at a concentration used for chemosensitization of root rot agents. Accordingly, F. culmorum exposure to thymol at the sensitizing concentration did not up-regulate key genes associated with the biosynthesis of trichothecene or polyketide mycotoxins in this pathogen. Further studies using field trials are necessary to determine if thymol-triazole co-applications result in sensitization of seed- and foliar-associated plant pathogenic fungi, and if thymol affects production of fusarial toxins under field conditions.
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Affiliation(s)
- Larisa Shcherbakova
- Laboratory of Physiological Plant Pathology, All-Russian Research Institute of Phytopathology, Moscow, Russia
| | - Oleg Mikityuk
- Laboratory of Physiological Plant Pathology, All-Russian Research Institute of Phytopathology, Moscow, Russia
| | - Lenara Arslanova
- Department of Molecular Biology, All-Russian Research Institute of Phytopathology, Moscow, Russia
| | - Alexander Stakheev
- Laboratory of Molecular Diagnostics, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow, Russia
| | - Denis Erokhin
- Department of Molecular Biology, All-Russian Research Institute of Phytopathology, Moscow, Russia
| | - Sergey Zavriev
- Laboratory of Molecular Diagnostics, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow, Russia
| | - Vitaly Dzhavakhiya
- Department of Molecular Biology, All-Russian Research Institute of Phytopathology, Moscow, Russia
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Silva SG, de Oliveira MS, Cruz JN, da Costa WA, da Silva SHM, Barreto Maia AA, de Sousa RL, Carvalho Junior RN, de Aguiar Andrade EH. Supercritical CO2 extraction to obtain Lippia thymoides Mart. & Schauer (Verbenaceae) essential oil rich in thymol and evaluation of its antimicrobial activity. J Supercrit Fluids 2021. [DOI: 10.1016/j.supflu.2020.105064] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Boren K, Crown A, Carlson R. Multidrug and Pan-Antibiotic Resistance—The Role of Antimicrobial and Synergistic Essential Oils: A Review. Nat Prod Commun 2020. [DOI: 10.1177/1934578x20962595] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Bacterial resistance to antibiotics continues to be a grave threat to human health. Because antibiotics are no longer a lucrative market for pharmaceutical companies, the development of new antibiotics has slowed to a crawl. The World Health Organization reported that the 8 new bacterial agents approved since July 2017 had limited clinical benefits. While a cohort of biopharmaceutical companies recently announced plans to develop 2-4 new antibiotics by 2030, we needn’t wait a decade to find innovative antibiotic candidates. Essential oils (EOs) have long been known as antibacterial agents with wide-ranging arsenals. Many are able to penetrate the bacterial membrane and may also be effective against bacterial defenses such as biofilms, efflux pumps, and quorum sensing. EOs have been documented to fight drug-resistant bacteria alone and/or combined with antibiotics. This review will summarize research showing the significant role of EOs as nonconventional regimens against the worldwide spread of antibiotic-resistant pathogens. The authors conducted a 4-year search of the US National Library of Medicine (PubMed) for relevant EO studies against methicillin-resistant Staphylococcus aureus, multidrug-resistant (MDR) Escherichia coli, EO combinations/synergy with antibiotics, against MDR fungal infections, showing the ability to permeate bacterial membranes, and against the bacterial defenses listed above. EOs are readily available and are a needed addition to the arsenal against resistant pathogens.
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Rosato A, Sblano S, Salvagno L, Carocci A, Clodoveo ML, Corbo F, Fracchiolla G. Anti-Biofilm Inhibitory Synergistic Effects of Combinations of Essential Oils and Antibiotics. Antibiotics (Basel) 2020; 9:antibiotics9100637. [PMID: 32987638 PMCID: PMC7598638 DOI: 10.3390/antibiotics9100637] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 09/13/2020] [Accepted: 09/22/2020] [Indexed: 11/26/2022] Open
Abstract
In recent years, the increase of bacteria antibiotic- resistance has been a severe problem for public health. A useful solution could be to join some phytochemicals naturally present in essential oils (EOs) to the existing antibiotics, with the aim to increase their efficacy in therapies. According to in vitro studies, EOs and their components could show such effects. Among them, we studied the activity of Cinnammonum zeylanicum, Mentha piperita, Origanum vulgare, and Thymus vulgaris EOs on bacterial biofilm and their synergism when used in association with some common antibiotics such as norfloxacin, oxacillin, and gentamicin. The chemical composition of EOs was determined using gas chromatography (GC) coupled with mass spectrometry (MS) techniques. The EOs drug efficacy was evaluated on four different strains of Gram-positive bacteria forming biofilms. The synergistic effects were tested through the chequerboard microdilution method. The association EOs-antibiotics showed a strong destruction of the biofilm growth of the four bacterial species considered. The interaction of norfloxacin with EOs was the most effective in all the tested combinations against the strains object of this study. These preliminary results suggest the formulation of a new generation of antimicrobial agents based on a combination of antimicrobial compounds with different origin.
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Affiliation(s)
- Antonio Rosato
- Department of Pharmacy—Drug Sciences, University of Bari “Aldo Moro”, via E. Orabona, 4-70125 Bari, Italy; (S.S.); (L.S.); (A.C.); (F.C.); (G.F.)
- Correspondence: ; Tel.: +39-080-5442728; Fax: 39-080-5442784
| | - Sabina Sblano
- Department of Pharmacy—Drug Sciences, University of Bari “Aldo Moro”, via E. Orabona, 4-70125 Bari, Italy; (S.S.); (L.S.); (A.C.); (F.C.); (G.F.)
| | - Lara Salvagno
- Department of Pharmacy—Drug Sciences, University of Bari “Aldo Moro”, via E. Orabona, 4-70125 Bari, Italy; (S.S.); (L.S.); (A.C.); (F.C.); (G.F.)
| | - Alessia Carocci
- Department of Pharmacy—Drug Sciences, University of Bari “Aldo Moro”, via E. Orabona, 4-70125 Bari, Italy; (S.S.); (L.S.); (A.C.); (F.C.); (G.F.)
| | - Maria Lisa Clodoveo
- School of Medicine: Interdisciplinary Department of Medicine, University of Bari “Aldo Moro”, piazza G. Cesare, 11-70124 Bari, Italy;
| | - Filomena Corbo
- Department of Pharmacy—Drug Sciences, University of Bari “Aldo Moro”, via E. Orabona, 4-70125 Bari, Italy; (S.S.); (L.S.); (A.C.); (F.C.); (G.F.)
| | - Giuseppe Fracchiolla
- Department of Pharmacy—Drug Sciences, University of Bari “Aldo Moro”, via E. Orabona, 4-70125 Bari, Italy; (S.S.); (L.S.); (A.C.); (F.C.); (G.F.)
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Interaction of plant ingredients contained in Chatuphalathika herbal remedy based on chemical analysis aspect: four-component simplex lattice design. ADVANCES IN TRADITIONAL MEDICINE 2020. [DOI: 10.1007/s13596-020-00505-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Investigation of the Interaction of Herbal Ingredients Contained in Triphala Recipe Using Simplex Lattice Design: Chemical Analysis Point of View. INTERNATIONAL JOURNAL OF FOOD SCIENCE 2020; 2020:5104624. [PMID: 32832540 PMCID: PMC7424382 DOI: 10.1155/2020/5104624] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 06/19/2020] [Accepted: 07/16/2020] [Indexed: 11/17/2022]
Abstract
The aim of this work was to investigate the interaction of herbal ingredients contained in Triphala recipe (Terminalia chebula, Terminalia bellirica, and Phyllanthus emblica in equal proportion) using simplex lattice design. This work focused on chemical analysis of four phenolic compounds including gallic acid, corilagin, chebulagic acid, and chebulinic acid by validated high-performance liquid chromatography. The effect of the extraction technique (decoction vs. infusion) and gamma irradiation was also examined. The combination index was used as a tool for determination of interaction of the ingredients contained in the herbal recipe. Results showed that the extraction technique and gamma irradiation slightly altered the content of some phenolic compounds as well as the combination index. The positive interaction seems to be found at the equal proportion of the three plants. This work scientifically supported the suitable formula of the Triphala recipe in the traditional use.
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Chaves RDSB, Martins RL, Rodrigues ABL, Rabelo ÉDM, Farias ALF, Brandão LB, Santos LL, Galardo AKR, de Almeida SSMDS. Evaluation of larvicidal potential against larvae of Aedes aegypti (Linnaeus, 1762) and of the antimicrobial activity of essential oil obtained from the leaves of Origanum majorana L. PLoS One 2020; 15:e0235740. [PMID: 32678859 PMCID: PMC7367459 DOI: 10.1371/journal.pone.0235740] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 06/23/2020] [Indexed: 12/21/2022] Open
Abstract
This study evaluated the larvicidal activity of Origanum majorana Linnaeus essential oil, identified the chemical composition, evaluated the antimicrobial, cytotoxic and antioxidant potential. The larvicidal activity was evaluated against larvae of the third stage of Aedes aegypti Linaeus, whereas the chemical composition was identified by gas chromatography coupled to mass spectrometer, the antimicrobial activity was carried out against the bacteria Pseudomonas aeruginosa, Escherichia coli and Staphylococcus auereus, the antioxidant activity was evaluated from of 2.2-diphenyl-1-picryl-hydrazila sequestration and Artemia salina Leach cytotoxicity. Regarding to the results, the larvicidal activity showed that O. majorana L. essential oil caused high mortality in A. aegypti L. larvae. In the chromatographic analysis, the main component found in O. majorana L. essential oil was pulegone (57.05%), followed by the other components verbenone (16.92%), trans-p-menthan-2-one (8.57%), iso-menthone (5.58%), piperitone (2.83%), 3-octanol (2.35%) and isopulegol (1.47%). The antimicrobial activity showed that E. coli and P. aeruginosa bacteria were more sensitive to oil than S. aureus, which was resistant at all concentrations. Essential oil did not present antioxidant activity, but it has high cytotoxic activity against A. salina L.
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Affiliation(s)
| | - Rosany Lopes Martins
- Laboratory of Pharmacognosy and Phytochemistry, Federal University of Amapá, Macapá, Amapá, Brasil
| | | | - Érica de Menezes Rabelo
- Laboratory of Pharmacognosy and Phytochemistry, Federal University of Amapá, Macapá, Amapá, Brasil
| | | | - Lethicia Barreto Brandão
- Laboratory of Pharmacognosy and Phytochemistry, Federal University of Amapá, Macapá, Amapá, Brasil
| | - Lizandra Lima Santos
- Laboratory of Pharmacognosy and Phytochemistry, Federal University of Amapá, Macapá, Amapá, Brasil
| | - Allan Kardec Ribeiro Galardo
- Laboratory of Entomology Medical of Institute of Scientific and Technological Research of the State of Amapá (IEPA), Macapá, Amapá, Brasil
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Potente G, Bonvicini F, Gentilomi GA, Antognoni F. Anti- Candida Activity of Essential Oils from Lamiaceae Plants from the Mediterranean Area and the Middle East. Antibiotics (Basel) 2020; 9:antibiotics9070395. [PMID: 32660009 PMCID: PMC7400371 DOI: 10.3390/antibiotics9070395] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 06/30/2020] [Accepted: 07/07/2020] [Indexed: 11/16/2022] Open
Abstract
Extensive documentation is available on plant essential oils as a potential source of antimicrobials, including natural drugs against Candida spp. Yeasts of the genus Candida are responsible for various clinical manifestations, from mucocutaneous overgrowth to bloodstream infections, whose incidence and mortality rates are increasing because of the expanding population of immunocompromised patients. In the last decade, although C. albicans is still regarded as the most common species, epidemiological data reveal that the global distribution of Candida spp. has changed, and non-albicans species of Candida are being increasingly isolated worldwide. The present study aimed to review the anti-Candida activity of essential oils collected from 100 species of the Lamiaceae family growing in the Mediterranean area and the Middle East. An overview is given on the most promising essential oils and constituents inhibiting Candida spp. growth, with a particular focus for those natural products able to reduce the expression of virulence factors, such as yeast-hyphal transition and biofilm formation. Based on current knowledge on members of the Lamiaceae family, future recommendations to strengthen the value of these essential oils as antimicrobial agents include pathogen selection, with an extension towards the new emerging Candida spp. and toxicological screening, as it cannot be taken for granted that plant-derived products are void of potential toxic and/or carcinogenic properties.
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Affiliation(s)
- Giulia Potente
- Department for Life Quality Studies, University of Bologna, Corso d’Augusto 237, 47921 Rimini, Italy; (G.P.); (F.A.)
| | - Francesca Bonvicini
- Department of Pharmacy and Biotechnology, University of Bologna, Via Massarenti 9, 40138 Bologna, Italy;
- Correspondence: ; Tel.: +39-051-4290-930
| | - Giovanna Angela Gentilomi
- Department of Pharmacy and Biotechnology, University of Bologna, Via Massarenti 9, 40138 Bologna, Italy;
| | - Fabiana Antognoni
- Department for Life Quality Studies, University of Bologna, Corso d’Augusto 237, 47921 Rimini, Italy; (G.P.); (F.A.)
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Wang RL, Gao Y, Xing X. Analysis of Chemical Composition and Assessment of Antioxidant, Cytotoxic and Synergistic Antibacterial Activities of Essential Oils from Different Plant Parts of Piper boehmeriifolium. Chem Biodivers 2020; 17:e2000245. [PMID: 32379384 DOI: 10.1002/cbdv.202000245] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 05/05/2020] [Indexed: 11/07/2022]
Abstract
The essential oils (EOs) from leaves, stems, and whole plant of Piper boehmeriifolium were analyzed using GC/FID and GC/MS. The main constituents of P. boehmeriifolium EOs were β-caryophyllene, caryophyllene oxide, β-elemene, spathulenol, germacrene D, β-selinene, and neointermedeol. The antioxidant potential of the EOs were determined using DPPH• , ABTS•+ and FRAP assays. In ABTS•+ assay, the leaf oil exhibited a remarkable activity with an IC50 value of 7.36 μg/mL almost similar to BHT (4.06 μg/mL). Furthermore, the antibacterial activity of the oils as well as their synergistic potential with conventional antibiotics were evaluated using microdilution and Checkerboard assays. The results revealed that the oils from different parts of P. boehmeriifolium inhibited the growth of all tested bacteria and the minimum inhibitory concentrations were determined to be 0.078 - 1.250 mg/mL. In combination with chloramphenicol or streptomycin, the oils showed significant synergistic antibacterial effects in most cases. Besides, the results of MTT assay indicated that the oil of the whole plant exhibited significant cytotoxic activities on human hepatocellular carcinoma cells (HepG2) and human breast cancer cells (MCF-7). In summary, the P. boehmeriifolium oils could be regarded as a prospective source for pharmacologically active compounds.
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Affiliation(s)
- Ruo-Lan Wang
- Marine College, Shandong University, Weihai, 264209, P. R. China
| | - Yang Gao
- Marine College, Shandong University, Weihai, 264209, P. R. China
| | - Xiang Xing
- Marine College, Shandong University, Weihai, 264209, P. R. China
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Chagas EC, Majolo C, Monteiro PC, Oliveira MRD, Gama PE, Bizzo HR, Chaves FCM. Composition of essential oils ofMenthaspecies and their antimicrobial activity againstAeromonasspp. JOURNAL OF ESSENTIAL OIL RESEARCH 2020. [DOI: 10.1080/10412905.2020.1741457] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Edsandra Campos Chagas
- Embrapa Amazônia Ocidental, Manaus, Brazil
- Programa De Pós-Graduação Em Ciências Pesqueiras Nos Trópicos, Universidade Federal Do Amazonas, Manaus, Brazil
| | | | - Patrícia Castro Monteiro
- Programa De Pós-Graduação Em Ciências Pesqueiras Nos Trópicos, Universidade Federal Do Amazonas, Manaus, Brazil
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Pang X, Feng YX, Qi XJ, Wang Y, Almaz B, Xi C, Du SS. Toxicity and repellent activity of essential oil from Mentha piperita Linn. leaves and its major monoterpenoids against three stored product insects. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:7618-7627. [PMID: 31885061 DOI: 10.1007/s11356-019-07081-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 11/17/2019] [Indexed: 06/10/2023]
Abstract
The essential oil (EO) from leaves of Mentha piperita was extracted by hydrodistillation. Twenty-one chemical components, accounting for 97.5% of the total oil, were determined by GC-MS and GC-FID. The major chemical components included menthol (41.6%), L-menthone (24.7%), isomenthol (6.3%), and limonene (5.0%). The bioactivity of the obtained EO and its two major components against Tribolium castaneum, Lasioderma serricorne, and Liposcelis bostrychophila adults were evaluated by fumigation, contact, and repellent activity bioassay. The EO showed significant fumigation and contact toxicity against T. castaneum (LC50 = 18.1 mg/L air and LD50 = 2.9 μg/adult, respectively), L. serricorne (LC50 = 68.4 mg/L air and LD50 = 12.6 μg/adult, respectively), and L. bostrychophila (LC50 = 0.6 mg/L air and LD50 = 49.8 μg/adult, respectively) adults. Meanwhile, the repellent effect of the EO on T. castaneum and L. serricorne adults was comparable to that of the positive control at the highest tested concentration. Menthol and L-menthone were two major components in total oil. Among them, L-menthone exhibited significant insecticidal activity on target insects, and menthol showed notable repellent effects. The results indicated that the EO of M. piperita leaves and two tested components have potential to be developed as natural insecticides and repellents for the control of stored product insect pests. Graphical abstract.
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Affiliation(s)
- Xue Pang
- Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, No. 19 Xinjiekouwai Street, Beijing, 100875, China
| | - Yi-Xi Feng
- Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, No. 19 Xinjiekouwai Street, Beijing, 100875, China
| | - Xiao-Jie Qi
- Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, No. 19 Xinjiekouwai Street, Beijing, 100875, China
| | - Yang Wang
- Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, No. 19 Xinjiekouwai Street, Beijing, 100875, China
| | - Borjigidai Almaz
- Laboratory of Ethnomedicine, School of Pharmacy, Minzu University of China, Haidian District, Beijing, 100081, China
| | - Chao Xi
- College of Life Sciences, Beijing Normal University, No. 19 Xinjiekouwai Street, Beijing, 100875, China.
| | - Shu-Shan Du
- Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, No. 19 Xinjiekouwai Street, Beijing, 100875, China.
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Ragno R, Papa R, Patsilinakos A, Vrenna G, Garzoli S, Tuccio V, Fiscarelli E, Selan L, Artini M. Essential oils against bacterial isolates from cystic fibrosis patients by means of antimicrobial and unsupervised machine learning approaches. Sci Rep 2020; 10:2653. [PMID: 32060344 PMCID: PMC7021809 DOI: 10.1038/s41598-020-59553-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 01/30/2020] [Indexed: 11/17/2022] Open
Abstract
Recurrent and chronic respiratory tract infections in cystic fibrosis (CF) patients result in progressive lung damage and represent the primary cause of morbidity and mortality. Staphylococcus aureus (S. aureus) is one of the earliest bacteria in CF infants and children. Starting from early adolescence, patients become chronically infected with Gram-negative non-fermenting bacteria, and Pseudomonas aeruginosa (P. aeruginosa) is the most relevant and recurring. Intensive use of antimicrobial drugs to fight lung infections inevitably leads to the onset of antibiotic resistant bacterial strains. New antimicrobial compounds should be identified to overcome antibiotic resistance in these patients. Recently interesting data were reported in literature on the use of natural derived compounds that inhibited in vitro S. aureus and P. aeruginosa bacterial growth. Essential oils, among these, seemed to be the most promising. In this work is reported an extensive study on 61 essential oils (EOs) against a panel of 40 clinical strains isolated from CF patients. To reduce the in vitro procedure and render the investigation as convergent as possible, machine learning clusterization algorithms were firstly applied to pick-up a fewer number of representative strains among the panel of 40. This approach allowed us to easily identify three EOs able to strongly inhibit bacterial growth of all bacterial strains. Interestingly, the EOs antibacterial activity is completely unrelated to the antibiotic resistance profile of each strain. Taking into account the results obtained, a clinical use of EOs could be suggested.
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Affiliation(s)
- Rino Ragno
- Rome Center for Molecular Design, Department of Drug Chemistry and Technology, Sapienza University, p.le Aldo Moro 5, 00185, Rome, Italy. .,Alchemical Dynamics s.r.l, 00125, Rome, Italy.
| | - Rosanna Papa
- Department of Public Health and Infectious Diseases, Sapienza University, p.le Aldo Moro 5, 00185, Rome, Italy
| | - Alexandros Patsilinakos
- Rome Center for Molecular Design, Department of Drug Chemistry and Technology, Sapienza University, p.le Aldo Moro 5, 00185, Rome, Italy.,Alchemical Dynamics s.r.l, 00125, Rome, Italy
| | - Gianluca Vrenna
- Department of Public Health and Infectious Diseases, Sapienza University, p.le Aldo Moro 5, 00185, Rome, Italy
| | - Stefania Garzoli
- Department of Drug Chemistry and Technology, Sapienza University, p.le Aldo Moro 5, 00185, Rome, Italy
| | - Vanessa Tuccio
- Laboratories and Pediatrics Departments, Children's Hospital and Institute Research Bambino Gesù, Rome, 00165, Italy
| | - ErsiliaVita Fiscarelli
- Laboratories and Pediatrics Departments, Children's Hospital and Institute Research Bambino Gesù, Rome, 00165, Italy
| | - Laura Selan
- Department of Public Health and Infectious Diseases, Sapienza University, p.le Aldo Moro 5, 00185, Rome, Italy.
| | - Marco Artini
- Department of Public Health and Infectious Diseases, Sapienza University, p.le Aldo Moro 5, 00185, Rome, Italy
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Evaluation of the Antifungal Activity of Mentha x piperita (Lamiaceae) of Pancalieri (Turin, Italy) Essential Oil and Its Synergistic Interaction with Azoles. Molecules 2019; 24:molecules24173148. [PMID: 31470602 PMCID: PMC6749244 DOI: 10.3390/molecules24173148] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 08/22/2019] [Accepted: 08/26/2019] [Indexed: 12/02/2022] Open
Abstract
The promising antimicrobial activity of essential oils (EOs) has led researchers to use them in combination with antimicrobial drugs in order to reduce drug toxicity, side effects, and resistance to single agents. Mentha x piperita, known worldwide as “Mentha of Pancalieri”, is produced locally at Pancalieri (Turin, Italy). The EO from this Mentha species is considered as one of the best mint EOs in the world. In our research, we assessed the antifungal activity of “Mentha of Pancalieri” EO, either alone or in combination with azole drugs (fluconazole, itraconazole, ketoconazole) against a wide panel of yeast and dermatophyte clinical isolates. The EO was analyzed by GC-MS, and its antifungal properties were evaluated by minimum inhibitory concentration (MIC) and minimum fungicidal concentration (MFC) parameters, in accordance with the CLSI guidelines, with some modifications. The interaction of EO with azoles was evaluated through the chequerboard and isobologram methods. The results suggest that this EO exerts a fungicidal activity against yeasts and a fungistatic activity against dermatophytes. Interaction studies with azoles indicated mainly synergistic profiles between itraconazole and EO vs. Candida spp., Cryptococcus neoformans, and Trichophyton mentagrophytes. Thus, the “Mentha of Pancalieri” EO may act as a potential antifungal agent and could serve as a natural adjuvant for fungal infection treatment.
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