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Retnosari R, Ali AH, Zainalabidin S, Ugusman A, Oka N, Latip J. The recent discovery of a promising pharmacological scaffold derived from carvacrol: A review. Bioorg Med Chem Lett 2024; 109:129826. [PMID: 38830427 DOI: 10.1016/j.bmcl.2024.129826] [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: 12/11/2023] [Revised: 05/13/2024] [Accepted: 05/27/2024] [Indexed: 06/05/2024]
Abstract
Carvacrol, called CA, is a dynamic phytoconstituent characterized by a phenol ring abundantly sourced from various natural reservoirs. This versatile scaffold serves as a pivotal template for the design and synthesis of novel drug molecules, harboring promising biological activities. The active sites positioned at C-4, C-6, and the hydroxyl group (-OH) of CA offer fertile ground for creating potent drug candidates from a pharmacological standpoint. In this comprehensive review, we delve into diverse synthesis pathways and explore the biological activity of CA derivatives. We aim to illuminate the potential of these derivatives in discovering and developing efficacious treatments against a myriad of life-threatening diseases. By scrutinizing the structural modifications and pharmacophore placements that enhance the activity of CA derivatives, we aspire to inspire the innovation of novel therapeutics with heightened potency and effectiveness.
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Affiliation(s)
- Rini Retnosari
- Department of Chemical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia; International Joint Department of Materials Science and Engineering Between National University of Malaysia and Gifu University, Graduate School of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan; Department of Chemistry, Universitas Negeri Malang, Jl. Semarang No. 5 Malang, Indonesia
| | - Amatul Hamizah Ali
- Department of Chemical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
| | - Satirah Zainalabidin
- Programme of Biomedical Science, Centre for Toxicology and Health Risk Studies (CORE), Faculty of Health Sciences, Universiti Kebangsaan Malaysia, 50300 Kuala Lumpur, Malaysia
| | - Azizah Ugusman
- Department of Physiology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia
| | - Natsuhisa Oka
- International Joint Department of Materials Science and Engineering Between National University of Malaysia and Gifu University, Graduate School of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan; Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan; Institute for Glyco-core Research (iGCORE), Gifu University, Gifu 501-1193, Japan; Center for One Medicine Innovative Translational Research (COMIT), Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Jalifah Latip
- Department of Chemical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia.
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Milovanovic S, Markovic D, Jankovic-Castvan I, Lukic I. Cornstarch aerogels with thymol, citronellol, carvacrol, and eugenol prepared by supercritical CO 2- assisted techniques for potential biomedical applications. Carbohydr Polym 2024; 331:121874. [PMID: 38388060 DOI: 10.1016/j.carbpol.2024.121874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 01/24/2024] [Accepted: 01/25/2024] [Indexed: 02/24/2024]
Abstract
This study focuses on the development of bioactive materials using environmentally friendly techniques, renewable, biocompatible, and biodegradable polysaccharide, as well as natural bioactive compounds (NBCs) found in plant extracts. First, cornstarch aerogels with a porosity of 86 % and a specific surface area of 225 m2/g were produced via supercritical CO2- assisted drying. Further, thymol, citronellol, carvacrol, and eugenol were incorporated into the aerogels by supercritical CO2- assisted impregnation, which allowed variation in loadings of NBCs (12.8-17.6 %). Interaction between cornstarch aerogels and NBCs determined impregnation rate, pore wall thickness (in the range 18-95 nm), liquid absorption capacity (from 265 to 569 %), dehydration mass loss, and release in phosphate-buffered saline. Controlled release of NBCs was maintained over a 3-day period. Moreover, impregnated aerogels showed a significant antioxidant effect with the highest value for DPPH radical inhibition of 25.5 % determined for the aerogels impregnated with eugenol. Notable antimicrobial activity against tested Gram-negative bacteria, Gram-positive bacteria, and fungi was also observed, being the highest for thymol-loaded aerogel with the diameter of the inhibition zones of up to 37.5 mm. This work shows a promising green approach for the production of bioactive two-component starch-based materials for potential applications in skin infection treatment.
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Affiliation(s)
- Stoja Milovanovic
- University of Belgrade, Faculty of Technology and Metallurgy, Karnegijeva 4, 11120 Belgrade, Serbia.
| | - Darka Markovic
- University of Belgrade, Innovation Center of the Faculty of Technology and Metallurgy, Karnegijeva 4, 11000 Belgrade, Serbia
| | - Ivona Jankovic-Castvan
- University of Belgrade, Faculty of Technology and Metallurgy, Karnegijeva 4, 11120 Belgrade, Serbia
| | - Ivana Lukic
- University of Belgrade, Faculty of Technology and Metallurgy, Karnegijeva 4, 11120 Belgrade, Serbia
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Vahitha V, Lali G, Prasad S, Karuppiah P, Karunakaran G, AlSalhi MS. Unveiling the therapeutic potential of thymol from Nigella sativa L. seed: selective anticancer action against human breast cancer cells (MCF-7) through down-regulation of Cyclin D1 and proliferative cell nuclear antigen (PCNA) expressions. Mol Biol Rep 2024; 51:61. [PMID: 38170326 DOI: 10.1007/s11033-023-09032-w] [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: 07/20/2023] [Accepted: 11/28/2023] [Indexed: 01/05/2024]
Abstract
BACKGROUND Breast adenocarcinoma cells (MCF-7) are characterized by the overexpression of apoptotic marker genes and proliferative cell nuclear antigen (PCNA), which promote cancer cell proliferation. Thymol, derived from Nigella sativa (NS), has been investigated for its potential anti-proliferative and anticancer properties, especially its ability to suppress Cyclin D1 and PCNA expression, which are crucial in the proliferation of cancer cells. METHODS The cytotoxicity of thymol on MCF-7 cells was assessed using 3-[4,5-dimethylthiazol-2-yl]-2,5 diphenyl tetrazolium bromide (MTT) and lactate dehydrogenase (LDH) release methods. Thymol was tested at increasing concentrations (0-1000 µM) to evaluate its impact on MCF-7 cell growth. Additionally, Cyclin D1 and PCNA gene expression in thymol-treated and vehicle control groups of MCF-7 were quantified using real-time Polymerase Chain Reaction (RT-qPCR). Protein-ligand interactions were also investigated using the CB-Dock2 server. RESULTS Thymol significantly inhibited MCF-7 cell growth, with a 50% inhibition observed at 200 µM. The gene expression of Cyclin D1 and PCNA was down-regulated in the thymol-treated group relative to the vehicle control. The experimental results were verified through protein-ligand interaction investigations. CONCLUSIONS Thymol, extracted from NS, demonstrated specific cytotoxic effects on MCF-7 cells by suppressing the expression of Cyclin D1 and PCNA, suggesting its potential as an effective drug for MCF-7. However, additional in vivo research is required to ascertain its efficacy and safety in medical applications.
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Affiliation(s)
- V Vahitha
- Department of Microbiology, Hindusthan College of Arts & Science, Coimbatore, Tamil Nadu, 641028, India
| | - Growther Lali
- Department of Microbiology, Hindusthan College of Arts & Science, Coimbatore, Tamil Nadu, 641028, India.
| | - Saradh Prasad
- Department of Physics and Astronomy, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Ponmurugan Karuppiah
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Gopalu Karunakaran
- Department of Fine Chemistry, Institute for Applied Chemistry, Seoul National University of Science and Technology, Seoul, 01811, Republic of Korea
| | - Mohamad S AlSalhi
- Department of Physics and Astronomy, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia.
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Sahin D, Kepekci RA, Türkmenoğlu B, Akkoc S. Biological evaluations and computational studies of newly synthesized thymol-based Schiff bases as anticancer, antimicrobial and antioxidant agents. J Biomol Struct Dyn 2023:1-15. [PMID: 38147403 DOI: 10.1080/07391102.2023.2297813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 12/17/2023] [Indexed: 12/28/2023]
Abstract
Three new thymol-based molecules were synthesized and evaluated as anticancer, antimicrobial and antioxidant agents. Liver, colon, lung and prostate cancer cell lines were utilized in cytotoxicity tests. The results demonstrated that synthesized molecules had a cytotoxic effect against the screened cell lines. One of the molecules (4a) was found to have a higher efficacy towards the colon cancer cell line (DLD-1) with an IC50 value of 12.39 µM and the other (4c) towards the prostate cancer cell line (PC3) with an IC50 value of 7.67 µM than the positive control drug cisplatin. To assess the antimicrobial activity of molecules (4a-c), Gram-positive bacteria, Gram-negative bacteria and yeast were subjected to agar disc diffusion and broth microdilution assays. The investigation of antioxidant potential was conducted using the DPPH radical scavenging activity assay. While all compounds displayed strong cytotoxic and antioxidant properties, they exhibited only moderate antimicrobial activity. Molecular docking studies were performed on epidermal growth factor receptor (EGFR), vascular endothelial growth factor receptor 2 (VEGFR-2), focal adhesion kinase (FAK), B-Raf and phosphoinositide 3-kinase (PI3K). The binding energies and interactions obtained from the docking results of compounds (4a-c) supported the experimental results. Drug similarity rates and pharmacokinetic properties were analyzed with the absorption, distribution, metabolism and excretion (ADME) method. Geometric parameters such as chemical potential (µ), electrophilicity index (ω) and chemical softness (σ) of compounds (4a-c) were calculated using the 6-31*G basis set B3LYP method.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Dicle Sahin
- Department of Pharmaceutical Research and Development, Institute of Health Sciences, Suleyman Demirel University, Isparta, Türkiye
| | | | - Burçin Türkmenoğlu
- Department of Analytical Chemistry, Faculty of Pharmacy, Erzincan Binali Yildirim University, Erzincan, Türkiye
| | - Senem Akkoc
- Department of Basic Pharmaceutical Sciences, Faculty of Pharmacy, Suleyman Demirel University, Isparta, Türkiye
- Faculty of Engineering and Natural Sciences, Bahçeşehir University, Istanbul, Türkiye
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Potra Cicalău GI, Ciavoi G, Scrobotă I, Marcu AO, Romanul I, Marian E, Vicaș LG, Ganea M. Assessing the Antioxidant Benefits of Topical Carvacrol and Magnolol Periodontal Hydrogel Therapy in Periodontitis Associated with Diabetes in Wistar Rats. Dent J (Basel) 2023; 11:284. [PMID: 38132422 PMCID: PMC10742747 DOI: 10.3390/dj11120284] [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: 10/07/2023] [Revised: 11/24/2023] [Accepted: 12/05/2023] [Indexed: 12/23/2023] Open
Abstract
It is well recognized that oxidative stress contributes to chronic stress-induced cytotoxicity, which is a major factor in the progression of many diseases, including periodontitis and diabetes. Formulas based on natural extracts with antioxidant properties are alternative treatment perspectives in the management of such diseases. The aim of our study was to assess how carvacrol and magnolol influence periodontitis associated with diabetes in Wistar rats. Ninety Wistar rats were distributed in nine groups: I-control group; II-diabetes group (D); III-periodontitis group (P); IV-periodontitis and diabetes group (PD); V-periodontitis and diabetes with vehicle alone (PDV); VI-periodontitis and diabetes treated with carvacrol (PDC); VII-periodontitis and diabetes treated with magnolol (PDM); VIII-periodontitis and diabetes treated with carvacrol and magnolol (PDCM); IX-healthy group with vehicle alone (CV). Blood malondialdehyde (MDA) levels and catalase activity levels (CAT) were measured as indicators of oxidative stress and antioxidant capacity, respectively. Where diabetes and periodontitis were induced, MDA was augmented and CAT was depleted significantly. Whether given alone (PDM) or in combination with carvacrol (PDCM), magnolol significantly decreased MDA. Between the PDM group and the PDCM group, there were no notable differences. In Wistar rats with periodontitis related to diabetes, topical use of hydrogels containing magnolol, either alone or in combination with carvacrol, may reduce oxidative stress.
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Affiliation(s)
- Georgiana Ioana Potra Cicalău
- Department of Dental Medicine, Faculty of Medicine and Pharmacy, University of Oradea, 1st Decembrie Street, 410073 Oradea, Romania; (G.I.P.C.); (G.C.); (I.R.)
| | - Gabriela Ciavoi
- Department of Dental Medicine, Faculty of Medicine and Pharmacy, University of Oradea, 1st Decembrie Street, 410073 Oradea, Romania; (G.I.P.C.); (G.C.); (I.R.)
| | - Ioana Scrobotă
- Department of Dental Medicine, Faculty of Medicine and Pharmacy, University of Oradea, 1st Decembrie Street, 410073 Oradea, Romania; (G.I.P.C.); (G.C.); (I.R.)
| | - Andreea Olivia Marcu
- Preclinics Department, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania
| | - Ioana Romanul
- Department of Dental Medicine, Faculty of Medicine and Pharmacy, University of Oradea, 1st Decembrie Street, 410073 Oradea, Romania; (G.I.P.C.); (G.C.); (I.R.)
| | - Eleonora Marian
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 1st Decembrie Street, 410073 Oradea, Romania; (E.M.); (L.G.V.); (M.G.)
| | - Laura Grațiela Vicaș
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 1st Decembrie Street, 410073 Oradea, Romania; (E.M.); (L.G.V.); (M.G.)
| | - Mariana Ganea
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 1st Decembrie Street, 410073 Oradea, Romania; (E.M.); (L.G.V.); (M.G.)
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Effect of carvacrol antioxidant capacity on oocyte maturation and embryo production in cattle. ZYGOTE 2023; 31:173-179. [PMID: 36804925 DOI: 10.1017/s0967199422000673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
Carvacrol (C10H14O), an efficient phenolic antioxidant substance for several cell types, may become a useful antioxidant for female germ cells and embryo culture. This study investigates the effects of carvacrol supplementation on bovine oocytes in in vitro maturation (IVM) and embryo production. In total, 1222 cumulus-oocyte complexes were cultured in TCM-199+ alone (control treatment) or supplemented with carvacrol at the concentrations of 3 µM (Carv-3), 12.5 µM (Carv-12.5), or 25 µM (Carv-25). After IVM, the oocytes were subjected to in vitro fertilization and embryo production, and the spent medium post-IVM was used for evaluating the levels of reactive oxygen species and the antioxidant capacity (2,2-diphenyl-1-picryl-hydrazyl-hydrate and 2,2'-azinobis-3-ethyl-benzothiozoline-6-sulphonic acid quantification). A greater (P < 0.05) antioxidant potential was observed in the spent medium of all carvacrol-treated groups compared with the control medium. Moreover, the addition of carvacrol to the maturation medium did not affect (P > 0.05) blastocyst production on days 7 and 10 of culture; however, the total number of cells per blastocyst was reduced (P < 0.05) in two carvacrol-treated groups (Carv-3 and Carv-25). In conclusion, carvacrol demonstrated a high antioxidant capacity in the spent medium after oocyte maturation; however, although embryo production was not affected, in general, carvacrol addition to IVM medium reduced the total number of cells per blastocyst. Therefore, due to the high antioxidant capacity of carvacrol, new experiments are warranted to investigate the beneficial effects of lower concentrations of carvacrol on embryo production in cattle and other species.
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Chernousova N, Ziyatdinova G. Electrode Based on the MWCNTs and Electropolymerized Thymolphthalein for the Voltammetric Determination of Total Isopropylmethylphenols in Spices. MICROMACHINES 2023; 14:636. [PMID: 36985043 PMCID: PMC10058491 DOI: 10.3390/mi14030636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 02/28/2023] [Accepted: 03/10/2023] [Indexed: 06/18/2023]
Abstract
Isopropylmethylphenols, namely thymol and carvacrol, are natural phenolic monoterpenoids with a wide spectrum of bioactivity making them applicable in the cosmetic, pharmaceutical, and food industry. The dose-dependent antioxidant properties of isopropylmethylphenols require their quantification in real samples. Glassy carbon electrode (GCE) modified with multi-walled carbon nanotubes (MWCNTs) and electropolymerized thymolphthalein has been developed for the sensitive quantification of isopropylmethylphenols. Conditions of thymolphthalein electropolymerization (monomer concentration, number of cycles, and electrolysis parameters) providing the best response to thymol have been found. Scanning electron microscopy and electrochemical methods confirm the effectivity of the electrode developed. The linear dynamic ranges of 0.050-25 and 25-100 µM for thymol and 0.10-10 and 10-100 µM for carvacrol with detection limits of 0.037 and 0.063 µM, respectively, have been achieved in differential pulse mode in Britton-Robinson buffer pH 2.0. The selectivity of the isopropylmethylphenols response in the presence of typical interferences (inorganic ions, saccharides, ascorbic acid) and other phenolics (caffeic, chlorogenic, gallic and rosmarinic acids, and quercetin) is a significant advantage over other electrochemical methods. The electrode has been used in the analysis of oregano and thyme spices. Total isopropylmethylphenols contents have been evaluated after a single sonication-assisted extraction with methanol.
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Effects of dietary supplementation with phytobiotic encapsulated plant extracts on broilers’ performance parameters, welfare traits and meat characteristics. ANNALS OF ANIMAL SCIENCE 2023. [DOI: 10.2478/aoas-2023-0015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
Abstract
Abstract
Background: Medicinal plants exhibit significant effects on broiler physiology and production. This trial aimed to evaluate the effects of dietary supplementation with an aqueous or cyclodextrin extract derived from a mixture of Origanum vulgare L., Camelina sativa L. Crantz, Crithmum maritimum L., and Allium sativum L. at the level of 0.1% per kg of dry matter (DM) on broiler growth performance, welfare, meat chemical composition, and oxidative stability.
Results: Cyclodextrin treated group presented significantly higher final body weight, while feed intake and FCR were unaffected by the treatments. Both aqueous and cyclodextrin treated groups had significantly lower pododermatitis score compared to the control group. Additionally, both treatment groups presented increased thigh meat protein content and lower fat content, likewise meat color was also positively affected by both treatments. Supplementation of broilers diet with the cyclodextrin extract also resulted in ∑n-3 fatty acids and ∑n-6 fatty acids increase. The PUFA/SFA and H/H ratios were also increased in the thigh meat of both supplemented groups compared to the control group.
Conclusion: The application of aqueous or cyclodextrin extracts yielded positive results on meat composition, and supported growth performance, welfare, and the oxidative status of the chicken meat.
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Synergistic Antioxidant Activity of Four—Component Mixture of Essential Oils: Basil, Cedarwood, Citronella and Thyme for the Use as Medicinal and Food Ingredient. Antioxidants (Basel) 2023; 12:antiox12030577. [PMID: 36978825 PMCID: PMC10044885 DOI: 10.3390/antiox12030577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 02/13/2023] [Accepted: 02/15/2023] [Indexed: 03/03/2023] Open
Abstract
Mixture design is a statistical tool used to obtain the maximum desired effect using the minimum number of experiments. The aim of the presented work was the optimization of the composition of a mixture of essential oils from basil, citronella, cedarwood and thyme using simplex-lattice mixture design method. The optimized parameter was an antioxidant activity measured in DPPH assay and expressed as effective concentration (EC50). The test results showed an interesting synergy between the components of essential oils. The prepared binary and quaternary mixtures were characterized by higher activity than simple average activity. The designed mixture with approximated highest antioxidant activity was composed of: 54.4% citronella essential oil, 33.0% thyme essential oil, 9.2% cedarwood essential oil and 3.4% basil essential oil and its approximated activity was in agreement with experimental values. This work confirmed that it is possible to approximate the best antioxidant composition of four essential oils used as a potential medicinal and food ingredient.
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Antibacterial, Antioxidant, and in silico NADPH Oxidase Inhibition Studies of Essential Oils of Lavandula dentata against Foodborne Pathogens. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2023; 2023:9766002. [PMID: 36820398 PMCID: PMC9938774 DOI: 10.1155/2023/9766002] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 09/11/2022] [Accepted: 09/19/2022] [Indexed: 02/12/2023]
Abstract
Food is always subjected to microbial infection and lipid peroxidation, which frequently leads to serious food intoxications. In the present study, essential oils (EOs) extracted from Lavandula dentata Moroccan species and its major component (linalool) were chemically characterized and their antioxidant potential and antibacterial properties against foodborne pathogenic bacteria were examined. EOs phytochemical profile was carried out using gas chromatography-mass spectrometry analysis (GC-MS). The antioxidant potential was evaluated, in vitro, by use of the β-carotene discoloration assay and in silico vs. NADPH oxidase enzymatic complex as an antioxidant marker. The antibacterial proprieties were assessed by use of minimal inhibitory concentration (MIC) and disc diffusion methods, against Gram (-) bacteria (Pseudomonas aeruginosa, Salmonella enterica, and Escherichia coli) and Gram (+) bacteria (Bacillus subtilis and Staphylococcus aureus). Linalool (49.71%) was the major component among the eighteen components identified in Lavandula dentate EO, followed by camphor (14.36%) and borneol (8.21%). The studied EO and linalool compounds showed important antioxidant activity through the β-carotene discoloration test with IC50 values of 35.72 ± 1.21 mg/mL and 30.32 ± 1.23 mg/mL, respectively. Among all the analyzed compounds of lavender EOs, thymol, carvacrol, and α-terpineol were the most active compounds against NADPH oxidase with a glide score of -6.483, -6.17, and -4.728 kcal/mol, respectively. 2D and 3D views showed the formation of hydrogen bonds between the most active compounds and the active site of NADPH oxidase. The antibacterial data showed a significant activity of Lavandula dentata essences against tested foodborne pathogenic bacteria, especially against S. aureus and B. subtilis. Linalool proved active toward the same bacteria and had closer activity to that of lavender essential oil. In light of the obtained findings, the essential oil of Lavandula dentata Moroccan species can be used in the packaging sector as a promising natural food conservative to limit lipid oxidation and treat foodborne infections.
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Javed H, Fizur NMM, Jha NK, Ashraf GM, Ojha S. Neuroprotective Potential and Underlying Pharmacological Mechanism of Carvacrol for Alzheimer's and Parkinson's Diseases. Curr Neuropharmacol 2023; 21:1421-1432. [PMID: 36567278 PMCID: PMC10324337 DOI: 10.2174/1570159x21666221223120251] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 10/12/2022] [Accepted: 10/14/2022] [Indexed: 12/27/2022] Open
Abstract
The phytochemicals have antioxidant properties to counter the deleterious effects of oxidative stress in the central nervous system and can be a promising drug candidate for neurodegenerative diseases. Among various phytochemicals, constituents of spice origin have recently received special attention for neurodegenerative diseases owing to their health benefits, therapeutic potential, edible nature, and dietary accessibility and availability. Carvacrol, a phenolic monoterpenoid, has garnered attention in treating and managing various human diseases. It possesses diverse pharmacological effects, including antioxidant, anti-inflammatory, antimicrobial and anticancer. Alzheimer's disease (AD) and Parkinson's disease (PD) are major public health concerns that place a significant financial burden on healthcare systems worldwide. The global burden of these diseases is expected to increase in the next few decades owing to increasing life expectancies. Currently, there is no cure for neurodegenerative diseases, such as AD and PD, and the available drugs only give symptomatic relief. For a long time, oxidative stress has been recognized as a primary contributor to neurodegeneration. Carvacrol enhances memory and cognition by modulating the effects of oxidative stress, inflammation, and Aβ25-35- induced neurotoxicity in AD. Moreover, it also reduces the production of reactive oxygen species and proinflammatory cytokine levels in PD, which further prevents the loss of dopaminergic neurons in the substantia nigra and improves motor functions. This review highlights carvacrol's potential antioxidant and anti-inflammatory properties in managing and treating AD and PD.
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Affiliation(s)
- Hayate Javed
- Department of Anatomy, College of Medicine and Health Sciences, United Arab Emirates University, PO Box 17666, Al Ain, United Arab Emirates
| | - Nagoor Meeran Mohamed Fizur
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, PO Box 17666, Al Ain, United Arab Emirates
| | - Niraj Kumar Jha
- Department of Biotechnology, School of Engineering & Technology (SET), Sharda University, Greater Noida, UP, 201310, India
- Department of Biotechnology, School of Applied & Life Sciences (SALS), Uttaranchal University, Dehradun, 248007, India
- Department of Biotechnology Engineering and Food Technology, Chandigarh University, Mohali, 140413, India
| | - Ghulam Md. Ashraf
- Department of Medical Laboratory Sciences, College of Health Sciences, and Sharjah Institute for Medical Research, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Shreesh Ojha
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, PO Box 17666, Al Ain, United Arab Emirates
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Sakai T, Sakamoto JJ, Asada R, Furuta M, Tsuchido T. Different patterns of germination inhibition by carvacrol and thymol in Bacillus subtilis spores. JOURNAL OF MICROORGANISM CONTROL 2023; 28:3-13. [PMID: 37277956 DOI: 10.4265/jmc.28.1_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
This study aimed to clarify how the phenolic monoterpene carvacrol and its structural isomer thymol both as essential oil components (EOCs) inhibit the germination of Bacillus subtilis spore. Germination was evaluated by the OD600 reduction rate in a growth medium and phosphate buffer containing either l-alanine (l-Ala) system or l-asparagine, d-glucose, d-fructose plus KCl (AGFK) system. The germination of the wild-type spores in the Trypticase Soy broth (TSB) was found to be greatly inhibited by thymol than by carvacrol. Such a difference in the germination inhibition was confirmed by the dipicolinic acid (DPA) release from germinating spores in the AGFK buffer system, but not in the l-Ala system. Similar to the wild-type spores, no difference in the inhibitory activity between the EOCs was also indicated with the gerB, gerK-deletion mutant spores in the l-Ala buffer system and the above substantial difference was also done with the gerA-deleted mutant spores in the AGFK. Fructose was found to release spores from the EOC inhibition and inversely even stimulated. Increased concentrations of glucose and fructose partially suppressed the germination inhibition by carvacrol. The results obtained should contribute to the elucidation of the control effects of these EOCs on bacterial spores in foods.
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Affiliation(s)
- Toshio Sakai
- Department of Quantum and Radiation Engineering, Graduate School of Engineering, Osaka Prefecture University
| | - Jin J Sakamoto
- Research Center of Microorganism Control, Organization for Research Promotion, Osaka Prefecture University
- Faculty of Chemistry, Materials, and Bioengineering, Kansai University
| | - Ryoko Asada
- Department of Quantum and Radiation Engineering, Graduate School of Engineering, Osaka Prefecture University
- Research Center of Microorganism Control, Organization for Research Promotion, Osaka Prefecture University
- Radiation Research Center, Organization for Research Promotion, Osaka Prefecture University
| | - Masakazu Furuta
- Department of Quantum and Radiation Engineering, Graduate School of Engineering, Osaka Prefecture University
- Research Center of Microorganism Control, Organization for Research Promotion, Osaka Prefecture University
- Radiation Research Center, Organization for Research Promotion, Osaka Prefecture University
| | - Tetsuaki Tsuchido
- Research Center of Microorganism Control, Organization for Research Promotion, Osaka Prefecture University
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Hafsan H, Saleh MM, Zabibah RS, Obaid RF, Jabbar HS, Mustafa YF, Sultan MQ, Gabr GA, Ramírez-Coronel AA, Khodadadi M, Dadras M. Dietary Thymol Improved Growth, Body Composition, Digestive Enzyme Activities, Hematology, Immunity, Antioxidant Defense, and Resistance to Streptococcus iniae in the Rainbow Trout ( Oncorhynchus mykiss). AQUACULTURE NUTRITION 2022; 2022:3288139. [PMID: 36860433 PMCID: PMC9973134 DOI: 10.1155/2022/3288139] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 12/03/2022] [Accepted: 12/07/2022] [Indexed: 05/24/2023]
Abstract
In this study, thymol (TYM) at dietary levels of 0, 1, 1.5, 2, and 2.5 g/kg diet was used to evaluate its effects on growth, digestive performance, immunity, and resistances to the infection induced by Streptococcus iniae in the rainbow trout, Oncorhynchus mykiss. A number of 450 fish (35.8 ± 4.4 g; Mean ± SD) were distributed to 15 tanks (30 fish/tank) in three replicates and fed TYM for 60 days. After feeding period, Fish fed 1.5-2.5 g TYM showed better growth, higher digestive enzyme activity, and body protein content compared to other diets (P < 0.05). Regression analysis indicated a polynomial relationship between growth parameters and dietary TYM levels. Based upon the varied growth parameters, the optimum dietary TYM level was 1.89% for FCR. TYM at dietary levels of 1.5-2.5 g significantly enhanced liver antioxidant enzyme activity [superoxide dismutase (SOD), glutathione peroxidase (GPx), and catalase (CAT)], immune components in blood [alternative complement activity (C3), total immunoglobulin (Ig), lysozyme activity, bactericidal activity, and total protein], and in mucus [alkaline phosphatase (ALP), protease activity, lysozyme activity, bactericidal activity, and total protein] compared to other diets (P < 0.05). TYM at dietary levels of 2-2.5 g significantly decreased malondialdehyde (MDA) levels compared to other experimental groups (P < 0.05). In addition, use of TYM at dietary levels of 1.5-2.5 g upregulated the expression of the immune-related genes (C3, Lyz, and Ig) (P < 0.05). In contrast, the expression of inflammatory genes, tumor necrosis factor (TNF-α) and Interleukin-8 (IL-8) significantly were downregulated in response to 2-2.5 g TYM (P < 0.05). The hematology of the fish also altered in response to dietary TYM, where the values of corpuscular hemoglobin concentration (MCHC), hemoglobin (Hb), red blood cell (RBC), hematocrit (Hct), and white blood cell (WBC) significantly increased in fish fed 2-2.5 g TYM compared to other diets (P < 0.05). In addition, MCV significantly decreased in response to 2-2.5 g TYM (P < 0.05). After challenge with Streptococcus iniae, the survival rate was significantly higher in fish fed 2-2.5 g TYM compared to other diets (P < 0.05). The results of the present study concluded that TYM in the diet of rainbow trout can improve the fish growth and immunity and increase the resistance of the fish to Streptococcus iniae infection. The results of this study recommend an optimized dietary level of 2-2.5 g TYM for the fish.
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Affiliation(s)
- Hafsan Hafsan
- Biology Department, Faculty of Science and Technology, Universitas Islam Negeri Alauddin Makassar, Sultan Alauddin Street, Gowa, 92118, Indonesia
| | | | - Rahman S. Zabibah
- Medical Laboratory Technology Department, College of Medical Technology, The Islamic University, Najaf, Iraq
| | - Rasha Fadhel Obaid
- Department of Biomedical Engineering, Al-Mustaqbal University College, Babylon, Iraq
| | - Hijran Sanaan Jabbar
- Department of Chemistry, College of Science, Salahaddin University, Erbil, Iraq
- Department of Medical Laboratory Science, College of Health Sciences, Lebanese French University, Erbil, Iraq
| | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul-41001, Iraq
| | | | - Gamal A. Gabr
- Department of Pharmacology and Toxicology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
- Agricultural Genetic Engineering Research Institute (AGERI), Agricultural Research Center, Giza, Egypt
| | | | - Mohammad Khodadadi
- Department of Fisheries, Faculty of Natural Resources, University of Tehran, Karaj, Iran
| | - Mahnaz Dadras
- Department of Fisheries, Faculty of Natural Resources, University of Tehran, Karaj, Iran
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14
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Salamatullah AM. Convolvulus arvensis: Antioxidant, Antibacterial, and Antifungal Properties of Chemically Profiled Essential Oils: An Approach against Nosocomial Infections. LIFE (BASEL, SWITZERLAND) 2022; 12:life12122138. [PMID: 36556503 PMCID: PMC9788032 DOI: 10.3390/life12122138] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/09/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022]
Abstract
Convolvulus arvensis is a medicinal plant in the family Convolvulaceae, which is used in traditional phytotherapy. The objective of this work was conducted to valorize essential oils of Convolvulus arvensis (EOCA) in terms of chemical composition, antioxidant, and antibacterial properties. To achieve this objective, the chemical composition was performed by the use of GC-SM. Antioxidant power was effectuated by the use of DPPH, FRAP, and TAC assays. Evaluation of the antimicrobial power was conducted against clinically important pathogenic bacteria (E. coli, K. pneumoniae, S. pneumoniae, and S. aureus) and fungi (A. niger, C. albicans, and A. flavus) by the use of disc diffusion and minimum inhibitory concentrations (MICs) assays. The results showed that the yield of recovered EOs from Convolvulus arvensis was 0.34% of the total mass of leaves and mainly was rich in cuprenne (34%), thymol (20%), himachalene (16%), and longifolene (10%). Notably, EOCA exhibited important antioxidant effects, wherein IC50 (DPPH) and EC50 (FRAP) were determined to be 30 µg/mL and 120 µg/mL, respectively, while the total antioxidant power was determined to be 508.0 ± 6.0 µg EAA/mg. An important antibacterial effect was noted for EOCA as an excellent inhibition zone was recorded against all bacterial strains, particularly K. pneumoniae and S. aureus with 14.27 ± 0.42 and 21.35 ± 0.76 mm, respectively. Similarly, MICs of K. pneumoniae and S. aureus were 21.35 ± 0.76 mm and 28.62 ± 1.65 µg/mL, respectively. Noticeably, important antifungal activity was shown by EOCA against all fungal strains wherein the inhibition zone diameters against all fungal species ranged from 19.44 ± 1.10 to 20.41 ± 1.81 mm. Notably, MICs of EOCA against F. oxysporum and C. albicans were 18.65 ± 0.94 and 19.38 ± 0.58 g/mL, respectively. The outcome of the present work showed that EOs from Convolvulus arvensis can be used to conceptualize drugs to manage diseases relative to free radicals and infections.
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Affiliation(s)
- Ahmad Mohammad Salamatullah
- Department of Food Science & Nutrition, College of Food and Agricultural Sciences, King Saud University, 11 P.O. Box 2460, Riyadh 11451, Saudi Arabia
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15
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Stefaniak J, Nowak MG, Wojciechowski M, Milewski S, Skwarecki AS. Inhibitors of glucosamine-6-phosphate synthase as potential antimicrobials or antidiabetics - synthesis and properties. J Enzyme Inhib Med Chem 2022; 37:1928-1956. [PMID: 35801410 PMCID: PMC9272926 DOI: 10.1080/14756366.2022.2096018] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
Glucosamine-6-phosphate synthase (GlcN-6-P synthase) is known as a promising target for antimicrobial agents and antidiabetics. Several compounds of natural or synthetic origin have been identified as inhibitors of this enzyme. This set comprises highly selective l-glutamine, amino sugar phosphate or transition state intermediate cis-enolamine analogues. Relatively low antimicrobial activity of these inhibitors, poorly penetrating microbial cell membranes, has been improved using the pro-drug approach. On the other hand, a number of heterocyclic and polycyclic compounds demonstrating antimicrobial activity have been presented as putative inhibitors of the enzyme, based on the results of molecular docking to GlcN-6-P synthase matrix. The most active compounds of this group could be considered promising leads for development of novel antimicrobial drugs or antidiabetics, provided their selective toxicity is confirmed.
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Affiliation(s)
- Joanna Stefaniak
- Department of Organic Chemistry and BioTechMed Center, Gdańsk University of Technology, Gdańsk, Poland
| | - Michał G Nowak
- Department of Organic Chemistry and BioTechMed Center, Gdańsk University of Technology, Gdańsk, Poland
| | - Marek Wojciechowski
- Department of Pharmaceutical Technology and Biochemistry and BioTechMed Center, Gdańsk University of Technology, Gdańsk, Poland
| | - Sławomir Milewski
- Department of Pharmaceutical Technology and Biochemistry and BioTechMed Center, Gdańsk University of Technology, Gdańsk, Poland
| | - Andrzej S Skwarecki
- Department of Pharmaceutical Technology and Biochemistry and BioTechMed Center, Gdańsk University of Technology, Gdańsk, Poland
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16
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Guo Q, Li S, Du G, Chen H, Yan X, Chang S, Yue T, Yuan Y. Formulation and characterization of microcapsules encapsulating carvacrol using complex coacervation crosslinked with tannic acid. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113683] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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17
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Bansal A, Saleh-E-In MM, Kar P, Roy A, Sharma NR. Synthesis of Carvacrol Derivatives as Potential New Anticancer Agent against Lung Cancer. Molecules 2022; 27:molecules27144597. [PMID: 35889476 PMCID: PMC9323284 DOI: 10.3390/molecules27144597] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 07/14/2022] [Accepted: 07/16/2022] [Indexed: 02/01/2023] Open
Abstract
Lung cancer remains a major public health concern among all cancer diseases due to the toxicity and side-effects of the available commercially synthesized drugs. Natural product-derived synthesized anticancer drugs are now of promising interest to fight against cancer death. Carvacrol is a major component of most essential oil-bearing plants with potential pharmacological activity, especially against various cancer cell lines. Among the other organometallic compounds, copper complexes have been reported to be effective anticancer agents against various cancer cell lines, especially lung and leukemia cancers, due to the nontoxic nature of copper in normal cells since it is an endogenic metal. In this study, we synthesized three carvacrol derivatives, i.e., carvacrol aldehyde, Schiff base, and copper–Schiff base complex, through an established synthesis protocol and characterized the synthesized product using various spectroscopic techniques. The synthesized derivatives were evaluated for in vitro cytotoxic activity against different cancer cell lines, including human lung cancer (A549) and human fibroblast (BALB-3T3). Our findings showed that the copper–Schiff base complex derived from carvacrol inhibited the proliferation and migration of the A549 cell lines in a dose-dependent manner. This activity might be due to the inhibition of cell proliferation and migration at the G2/M cell-cycle phase, as well as apoptosis, possibly through the activation of the mitochondrial apoptotic pathway. To our knowledge, this is the first report on the activity of the copper–Schiff base complex of carvacrol against A549 cell lines. Our result highlights that a new synthesized copper complex from carvacrol could be a novel potential drug in the treatment of lung cancer.
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Affiliation(s)
- Anu Bansal
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara 144411, India;
| | - Md. Moshfekus Saleh-E-In
- Division of Forest Resources, College of Forest and Environmental Sciences, Kangwon National University, Chunchon 200701, Korea;
| | - Pallab Kar
- B.S. Diagnostic and Pathology Laboratory, Siliguri 734001, India;
| | - Ayan Roy
- Mailman School of Public Health, Columbia University, New York, NY 10032, USA;
| | - Neeta Raj Sharma
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara 144411, India;
- Correspondence: ; Tel.: +91-828-3921-144
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Romo-Rico J, Krishna SM, Bazaka K, Golledge J, Jacob MV. Potential of plant secondary metabolite-based polymers to enhance wound healing. Acta Biomater 2022; 147:34-49. [PMID: 35649506 DOI: 10.1016/j.actbio.2022.05.043] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 05/23/2022] [Accepted: 05/24/2022] [Indexed: 11/01/2022]
Abstract
There is a global epidemic of non-healing wounds. Chronic inflammation, overexpression of pro-inflammatory cytokines, oxidative stress and bacterial infection are implicated in delayed wound healing. Natural extracts are a rich source of bioactive molecules called plant secondary metabolites (PSMs) that include terpenes and phenols. These molecules may facilitate wound healing through their antioxidant, anti-inflammatory, and antibacterial activity. After briefly outlining the process of wound healing and how it is compromised in chronic wounds, this review focuses on investigating how PSMs-based polymers may improve wound healing. Best methods for incorporating PSMs into wound dressings are reviewed and critically compared. The exiting body of literature strongly suggests that PSMs-based polymers incorporated into wound dressings could have clinical value in aiding wound healing. STATEMENT OF SIGNIFICANCE: Chronic wounds develop by the persistence of inflammation, oxidative stress and infection. Chronic wounds affect the worldwide population, by reducing quality of life of patients with significant cost to healthcare systems. To help chronic wounds to heal and overcome this burden, materials with anti-inflammatory, antioxidant and antibacterial properties are required. Plant secondary metabolites (PSMs) are volatile materials that have all these properties. PSMs-based polymers can be fabricated by polymerization techniques. The present review provides an overview of the state-of-the-art of the wound healing mechanisms of PSMs. Current developments in the field of PSMs-based polymers are reviewed and their potential use as wound dressings is also covered.
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19
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Unassisted and Carbon Dioxide-Assisted Hydro- and Steam-Distillation: Modelling Kinetics, Energy Consumption and Chemical and Biological Activities of Volatile Oils. Pharmaceuticals (Basel) 2022; 15:ph15050567. [PMID: 35631393 PMCID: PMC9145560 DOI: 10.3390/ph15050567] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/21/2022] [Accepted: 04/28/2022] [Indexed: 11/16/2022] Open
Abstract
The demand for more suitable eco-friendly extraction processes has grown over the last few decades and driven research to develop efficient extraction processes with low energy consumption and low costs, but always assuring the quality of the volatile oils (VOs). The present study estimated the kinetic extraction and energy consumption of simultaneous hydro- and steam-distillation (SHSD), and SHSD assisted by carbon dioxide (SHSDACD), using an adopted modelling approach. The two isolation methods influenced the VOs yield, chemical composition and biological activities, namely, antioxidant, anti-glucosidase, anti-acetylcholinesterase and anti-inflammatory properties. SHSDACD provided higher VOs yields than the SHSD at a shorter extraction time: 2.8% at 30 min vs. 2.0% at 120 min, respectively, for Rosmarinus officinalis, 1.5% at 28 min vs. 1.2% at 100 min, respectively, for Lavandula angustifolia, and 1.7% at 20 min vs. 1.6% at 60 min, respectively, for Origanum compactum. The first order and sigmoid model fitted to SHSD and SHSDACD, respectively, with R2 value at 96% and with mean square error (MSE) < 5%, where the k distillation rate constant of SHSDACD was fivefold higher and the energy consumption 10 times lower than the SHSD. The rosemary SHSD and SHSDACD VOs chemical composition were similar and dominated by 1,8-cineole (50% and 48%, respectively), and camphor (15% and 12%, respectively). However, the lavender and oregano SHSDACD VOs were richer in linalyl acetate and carvacrol, respectively, than the SHSD VOs. The SHSDACD VOs generally showed better capacity for scavenging the nitric oxide and superoxide anions free radicals as well as for inhibiting α-glucosidase, acetylcholinesterase, and lipoxygenase.
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20
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Distribution Patterns of Essential Oil Terpenes in Native and Invasive Solidago Species and Their Comparative Assessment. PLANTS 2022; 11:plants11091159. [PMID: 35567160 PMCID: PMC9099864 DOI: 10.3390/plants11091159] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 04/19/2022] [Accepted: 04/22/2022] [Indexed: 11/17/2022]
Abstract
The importance of invasive Solidago L. species to the environment creates a new approach to controlling their spread through the use of potentially high value raw materials. The aim of this study was to assess the distribution patterns of volatile compounds in the four Solidago spp., by identifying common and species-specific compounds with their potentials, and to confirm the origin of the spontaneous hybrid Solidago × niederederi on the basis of comparative assessment of essential oil (EO) profiles. Plant material in the flowering phase was collected in mixed populations from six different sites. The EOs were isolated separately from the leaf and the inflorescence samples by hydrodistillation for 3 h. The chemical analysis was performed by gas chromatography—mass spectrometry. Multivariate data analysis was employed to explain the interspecies relationships among Solidago spp. The results revealed the similarity among Solidago spp. EO profiles, which were dominated by monoterpenes and oxygenated compound fractions. Solidago spp. differed in species distinctive terpenes and their distribution between accessions and plant parts. Volatile compound patterns confirmed the origin of Solidago × niederederi between Solidago canadensis and Solidago virgaurea, with the higher contribution of alien species than native ones. Correct taxonomic identification of species is highly essential for the targeted collection of raw material from the wild for different applications. Solidago spp. can be considered to be underutilized sources of bioactive secondary metabolites.
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21
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Fatima K, Luqman S, Meena A. Carvacrol Arrests the Proliferation of Hypopharyngeal Carcinoma Cells by Suppressing Ornithine Decarboxylase and Hyaluronidase Activities. Front Nutr 2022; 9:857256. [PMID: 35464036 PMCID: PMC9028219 DOI: 10.3389/fnut.2022.857256] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 02/24/2022] [Indexed: 11/28/2022] Open
Abstract
Carvacrol, a monoterpene known for its pharmacological activities, is present in the essential oil of Origanum majorana, Origanum vulgare, Thymus vulgaris, and Lippia graveolens. It is used in food as a flavoring and preservative agent in cosmetics and medicines because of its useful bioactivities in clinical practice. However, carvacrol was not much explored for its anticancer potential. Targeting enzymes involved in carcinogenesis, such as ornithine decarboxylase (ODC), cyclooxygenase-2 (COX-2), lipoxygenase-5 (LOX-5), and hyaluronidase (HYAL) by monoterpenes are amongst the efficient approaches for cancer prevention and treatment. In this study, the efficacy of carvacrol was investigated against deregulated cancer biomarkers/targets in organ-specific human cancer cell lines (FaDu, K562, and A549) utilizing in vitro, in silico, and in vivo approaches. The efficacy of carvacrol was evaluated on human cancer cell lines using neutral red uptake (NRU), sulpho rhodamine B (SRB), and 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assays. The mechanistic study was carried out in cell-based test systems. Further, the potency of carvacrol was confirmed by the quantitative real-time PCR analysis and molecular docking studies. The in vivo anti-tumor potential of carvacrol was performed on mice S-180 model, and the toxicity examination was accomplished through in silico approach. Carvacrol significantly impeded the growth of FaDu, K562, and A549 cell lines with IC50 values ranging from 9.61 ± 0.05 to 81.32 ± 11.83 μM. Further, the efficacy of carvacrol was explored against different cancer targets in FaDu, K562, and A549 cell lines. Carvacrol inhibits the ODC, COX-2, LOX-5, and HYAL activities in FaDu cell line and ODC, COX-2, and HYAL activities in K562 cell line. The results were validated by expression analysis revealing the downregulation of the targeted gene with a significant change in the transcript level of ODC and HYAL in FaDu cell line with a fold change of 1.56 and 1.61, respectively. A non-significant effect of carvacrol was observed on the downstream signaling pathway of PI3K and HIF-1α/vascular endothelial growth factor (VEGF) in FaDu cells. The cell cycle, reactive oxygen species (ROS), mitochondrial membrane potential (MMP), and Annexin V-fluorescein isothiocyanate (FITC) experiments demonstrate that carvacrol induces apoptosis of FaDu cells. Further, the potency of carvacrol was also evaluated in vivo on mice S-180 tumor model, wherein it inhibits tumor growth (72%) at 75 mg/kg body weight (bw). ADMET studies predicted carvacrol as a safe molecule. Overall, carvacrol delayed the growth of FaDu, K562, and A549 cell lines by targeting enzymes involved in the carcinogenesis process. The existence of one hydroxyl group at the para position of carvacrol could be responsible for the anti-proliferative activity. Thus, carvacrol could be used as a pharmacophore to develop a safe and effective multi-targeted anti-cancer medicament.
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Affiliation(s)
- Kaneez Fatima
- Bioprospection and Product Development Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Suaib Luqman
- Bioprospection and Product Development Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
- *Correspondence: Suaib Luqman
| | - Abha Meena
- Bioprospection and Product Development Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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22
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Evaluation of the ethanolic ultrasound-assisted extraction from clove (Syzygium aromaticum) leaves and chemical characterization of the extracts. Food Chem 2022; 373:131351. [PMID: 34710680 DOI: 10.1016/j.foodchem.2021.131351] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 10/02/2021] [Accepted: 10/04/2021] [Indexed: 01/01/2023]
Abstract
In this study, clove leaves (Syzygium aromaticum) were subjected to ultrasound-assisted extraction (UAE) with ethanol as the solvent, following a central composite design to evaluate the effects of time, amplitude, solvent/sample ratio, and temperature on the yield, eugenol content, and antioxidant capacity of the extracts. The results were compared with those obtained using the conventional method of maceration (ME). The optimum conditions for extract yield were achieved with an extraction time of 25 min,amplitude of 85%, solvent/sample ratio of 35 mL g-1, and temperature of 70 °C, and the result (14.63 wt%) was three times higher than that of conventional extraction. Eugenol was detected in the extracts obtained by both methods, with the highest yield of 2.94 g eugenol kg leaves-1obtained in the UAE method, while the ME method achieved 1.36 g eugenol kg leaves-1.In general, the extracts exhibited high antioxidant capacities.
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23
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Kőhidai Z, Takács A, Lajkó E, Géczi Z, Pállinger É, Láng O, Kőhidai L. The effects of mouthwashes in human gingiva epithelial progenitor (HGEPp) cells. Clin Oral Investig 2022; 26:4559-4574. [PMID: 35257248 PMCID: PMC9203393 DOI: 10.1007/s00784-022-04422-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 02/17/2022] [Indexed: 11/26/2022]
Abstract
OBJECTIVES The gingiva epithelium accounts for a significant proportion of the surface around the tooth. An inflammatory reaction occurs in the presence of bacterial biofilm, adhesion is reduced, and the depth of the sulcus gingivalis increases. The most common antiseptic agents in oral rinses are chlorhexidine digluconate (CHX) and cetylpyridinium chloride. We examined long-lasting effects of residual concentrations of eight commercially available rinses. Our main goals were (i) to analyze the effect of different chemical compositions on cell proliferation, (ii) to examine apoptosis, and (iii) cell morphology on human epithelial progenitor cell line (HGEPp). MATERIALS AND METHODS Cell proliferation was measured in a real-time system (0-48 h) by impedimetry (xCELLigence). Apoptosis was measured with labeled Annexin-V (BD-FACScalibur). RESULTS Changes in proliferation were measured at certain concentrations: (i) H2O2 proved to be cytotoxic at almost all concentrations; (ii) low concentrations of CHX (0.0001%; 0.0003%) were proliferation inducers, while higher concentrations were cytotoxic; (iii) for ClO2, advantageous proliferative effect was observed over a broad concentration range (0.06-6 ppm). In mouthwashes, additives in the formulation (e.g., allantoin) appeared to influence cellular responses positively. Apoptosis marker assay results suggested a low-level activation by the tested agents. CONCLUSIONS Mouthwashes and their reference compounds proved to have concentration-dependent cytotoxic effects on human gingival epithelial cells. CLINICAL RELEVANCE A better understanding of the effects of mouthwashes and their reference compounds is particularly important. These concentration-dependent effects (cytotoxic or proliferation inducing) interfere with human cells physiology while being used in the fight against the pathogenic flora.
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Affiliation(s)
- Zsófia Kőhidai
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary.
- Department of Oral Diagnostics, Semmelweis University, Budapest, Hungary.
| | - Angéla Takács
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
| | - Eszter Lajkó
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
| | - Zoltán Géczi
- Department of Prosthodontics, Semmelweis University, Budapest, Hungary
| | - Éva Pállinger
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
| | - Orsolya Láng
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
| | - László Kőhidai
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
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24
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Muñoz‐González R, Pino C, Henríquez H, Villanueva F, Riquelme A, Montealegre R, Agostini D, Batista‐González A, Leiva G, Contreras RA. Elucidation of antimicrobial and antioxidant activities of selected plant‐based mayonnaise‐derived essential oils against lactic acid bacteria. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Rodrigo Muñoz‐González
- Research Unit, Department of Research and Development (R&D) The Not Company SpA Santiago of Chile Chile
| | - Carla Pino
- Research Unit, Department of Research and Development (R&D) The Not Company SpA Santiago of Chile Chile
| | - Héctor Henríquez
- Research Unit, Department of Research and Development (R&D) The Not Company SpA Santiago of Chile Chile
| | - Francisca Villanueva
- Research Unit, Department of Research and Development (R&D) The Not Company SpA Santiago of Chile Chile
| | - Angeline Riquelme
- Research Unit, Department of Research and Development (R&D) The Not Company SpA Santiago of Chile Chile
| | - Romina Montealegre
- Research Unit, Department of Research and Development (R&D) The Not Company SpA Santiago of Chile Chile
| | - Davide Agostini
- Research Unit, Department of Research and Development (R&D) The Not Company SpA Santiago of Chile Chile
- Wageningen University and Research Wageningen The Netherlands
| | - Ana Batista‐González
- Research Unit, Department of Research and Development (R&D) The Not Company SpA Santiago of Chile Chile
| | - Gabriela Leiva
- Research Unit, Department of Research and Development (R&D) The Not Company SpA Santiago of Chile Chile
| | - Rodrigo A. Contreras
- Research Unit, Department of Research and Development (R&D) The Not Company SpA Santiago of Chile Chile
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Rambo MA, Soares KD, Danielli LJ, Lana DFD, Bordignon SADL, Fuentefria AM, Apel MA. Biological activities of essential oils from six genotypes of four Ocotea species. BRAZ J PHARM SCI 2022. [DOI: 10.1590/s2175-97902022e181097] [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] Open
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26
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Huang C, Chen D, Tian G, He J, Zheng P, Yu J, Mao X, Huang Z, Yan H, Wang Q, Wang H, Yu B. Effects of dietary plant essential oil supplementation on growth performance, nutrient digestibility and meat quality in finishing pigs. J Anim Physiol Anim Nutr (Berl) 2021; 106:1246-1257. [PMID: 34967039 DOI: 10.1111/jpn.13673] [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: 06/14/2021] [Revised: 11/01/2021] [Accepted: 12/10/2021] [Indexed: 11/26/2022]
Abstract
This study was aimed to explore the effects of dietary plant essential oil (PEO) supplementation on growth performance and meat quality in finishing pigs. A total of eighteen Duroc × Landrace × Yorkshire finishing barrows with an average initial body weight of 79.86 ± 1.94 kg were randomly assigned to CON group (fed with a basal diet) and PEO group (fed with the basal diet containing 200 mg/kg PEO) with 9 replicates per treatment. The trial lasted for 42 days. The results showed that dietary PEO supplementation significantly increased ADG during phase I (1-21 days) and the overall experimental period (p < 0.05), tended to increase ADFI in phase II (22-42 days) and the overall experimental period (p = 0.09), decreased F/G in phase I (p < 0.05) and tended to decrease F/G during the overall experimental period (p = 0.08). Meanwhile, compared to the CON group, the digestibility of DM, GE and EE in the PEO group was improved remarkably (p < 0.05). PEO supplementation also significantly improved T-AOC and lowered MDA content in longissimus dorsi (p < 0.05), tended to increase the activity of T-SOD (p = 0.06). A higher IMF content (p = 0.09) and a lower shear force (p = 0.08) of longissimus dorsi were found in the PEO group than that in CON group (p = 0.09). Furthermore, pigs fed the PEO diet showed higher mRNA abundances of GLUT4, LPL, CPT-1, CD36, FABP and LDL-R in the liver, and GLUT4 and FAS in the longissimus dorsi (p < 0.05). In conclusion, PEO fed to finishing pigs improved the growth performance and nutrient digestibility. Furthermore, PEO supplementation had the potential role to improve pork quality by increasing the antioxidant capacity and IMF content, and decreasing the shear force of longissimus dorsi to a certain extent.
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Affiliation(s)
- Cuibi Huang
- Institute of Animal Nutrition, Key Laboratory of Animal Disease-Resistance Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan Province, China
| | - Daiwen Chen
- Institute of Animal Nutrition, Key Laboratory of Animal Disease-Resistance Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan Province, China
| | - Gang Tian
- Institute of Animal Nutrition, Key Laboratory of Animal Disease-Resistance Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan Province, China
| | - Jun He
- Institute of Animal Nutrition, Key Laboratory of Animal Disease-Resistance Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan Province, China
| | - Ping Zheng
- Institute of Animal Nutrition, Key Laboratory of Animal Disease-Resistance Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan Province, China
| | - Jie Yu
- Institute of Animal Nutrition, Key Laboratory of Animal Disease-Resistance Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan Province, China
| | - Xiangbing Mao
- Institute of Animal Nutrition, Key Laboratory of Animal Disease-Resistance Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan Province, China
| | - Zhiqing Huang
- Institute of Animal Nutrition, Key Laboratory of Animal Disease-Resistance Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan Province, China
| | - Hui Yan
- Institute of Animal Nutrition, Key Laboratory of Animal Disease-Resistance Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan Province, China
| | - Quyuan Wang
- Institute of Animal Nutrition, Key Laboratory of Animal Disease-Resistance Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan Province, China
| | - Huifen Wang
- Institute of Animal Nutrition, Key Laboratory of Animal Disease-Resistance Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan Province, China
| | - Bing Yu
- Institute of Animal Nutrition, Key Laboratory of Animal Disease-Resistance Nutrition of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan Province, China
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Beikzadeh S, Hosseini SM, Mofid V, Ramezani S, Ghorbani M, Ehsani A, Mortazavian AM. Electrospun ethyl cellulose/poly caprolactone/gelatin nanofibers: The investigation of mechanical, antioxidant, and antifungal properties for food packaging. Int J Biol Macromol 2021; 191:457-464. [PMID: 34536473 DOI: 10.1016/j.ijbiomac.2021.09.065] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 08/28/2021] [Accepted: 09/10/2021] [Indexed: 11/19/2022]
Abstract
The purpose of the present research was to fabricate ethylcellulose (ECL)/polycaprolactone (PCL)/gelatin (GEL) electrospun nanofibers containing Zataria multiflora essential oil (ZEO) and zinc oxide nanoparticle (ZnO) to provide an appropriate substrate for food packaging. The ECL/PCL/GEL was incorporated with ZEO and ZnO at the concentrations of 10, 20, 30 and 50 wt% and 3 wt%, respectively. The results of ECL/PCL/GEL/ZEO/ZnO nanofiber exhibited uniform morphology with a mean diameter ranging from 361.85 ± 18.7 to 467.33 ± 14.50 nm and enhanced thermal stability. The ECL/PCL/GEL/ZEO/ZnO nanofiber had the highest mechanical parameters, such as young's modulus (437.49 ± 18), tensile strength (7.88 ± 0.7), and elongation at break (5.02 ± 0.6) and water contact angle (61.13 ± 0.5), compared with the other nanofibers. The cell viability during 48 and 72 h was obtained to be about more than 80% for all the nanofibers. Additionally, the ECL/PCL/GEL incorporated with 50% ZEO and 3% ZnO displayed the highest antioxidant activity (34.61 ± 1.98%) and antifungal properties against Penicillium notatum and Aspergillus niger. In general, the ECL/PCL/GEL with the weight ratio of 20:70:10 nanofiber incorporated with 30% ZEO and 3% ZnO was obtained to have appropriate mechanical, antioxidant, and antimicrobial properties and thermal stability.
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Affiliation(s)
- Samira Beikzadeh
- Department of Food Science and Technology, Faculty of Nutrition Sciences and Food Technology/National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyede Marzieh Hosseini
- Department of Food Science and Technology, Faculty of Nutrition Sciences and Food Technology/National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Vahid Mofid
- Department of Food Science and Technology, Faculty of Nutrition Sciences and Food Technology/National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Soghra Ramezani
- Nanofiber research center, Asian Nanostructures Technology Co. (ANSTCO), Zanjan, Iran
| | - Marjan Ghorbani
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Ali Ehsani
- Nutrition Research Center, Department of Food Sciences and Technology, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Amir Mohammad Mortazavian
- Department of Food Science and Technology, Faculty of Nutrition Sciences and Food Technology/National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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de Carvalho FO, Silva JPR, Silva ÉR, de Albuquerque Júnior RLC, Nunes PS, de Souza Araújo AA. Would carvacrol be a supporting treatment option effective in minimizing the deleterious effects of COVID-19? Naunyn Schmiedebergs Arch Pharmacol 2021; 394:2471-2474. [PMID: 34669001 PMCID: PMC8526353 DOI: 10.1007/s00210-021-02170-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 10/12/2021] [Indexed: 12/04/2022]
Abstract
The pathophysiological process of the disease, Covid-19, is mediated by innate immunity, with the presence of macrophages responsible for secreting type 1 and 6 interleukins (IL), tumor necrosis factor (TNF) leading to dilation of endothelial cells with a consequent increase in capillary permeability. The treatment of this disease has been much discussed, but the variability in the clinical picture, the difficulties for diagnosis and treatment, especially of those patients who have the most severe clinical condition of the disease. Immunization is an effective tool for controlling the spread and overload of health services, but its effectiveness involves high investments in the acquisition of inputs, development of vaccines, and logistics of storage and distribution. These factors can be obstacles for countries with lower economic, technological, and infrastructure indexes. Reflecting on these difficulties, we raised the possibility of adjuvant therapies with imminent research feasibility, as is the case with the use of carvacrol, a monoterpenic phenol whose has biological properties that serve as a barrier to processes mediated by free radicals, such as irritation and inflammation, due to its antioxidant action. Many authors highlighted the activity of carvacrol as a potent suppressor of COX-2 expression minimizing the acute inflammatory process, decreasing the release of some pro-inflammatory mediators such as IL-1β, TNF-α, PGE2. Anyway, the benefits of carvacrol are numerous and the therapeutic possibilities too. With this description, the question arises: would carvacrol be a supporting treatment option, effective in minimizing the deleterious effects of Covid-19? There is still a lot to discover and research.
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Affiliation(s)
- Fernanda Oliveira de Carvalho
- Health Sciences Graduate Center of Universidade Federal de Sergipe-UFS, São Cristóvão, SE, Brazil. .,Hospital Universitário de Sergipe (HU-UFS / EBSERH), Aracaju, SE, Brazil. .,Núcleo de Pós-Graduação Em Ciências da Saúde, Universidade Federal de Sergipe-UFS, Cidade Universitária Prof. "José Aloísio de Campos", Av. Marechal Rondon, s/n Jardim Rosa Elza, CEP 49.100-000, São Cristovão, SE, Brazil.
| | | | - Érika Ramos Silva
- Health Sciences Graduate Center of Universidade Federal de Sergipe-UFS, São Cristóvão, SE, Brazil.,Núcleo de Pós-Graduação Em Ciências da Saúde, Universidade Federal de Sergipe-UFS, Cidade Universitária Prof. "José Aloísio de Campos", Av. Marechal Rondon, s/n Jardim Rosa Elza, CEP 49.100-000, São Cristovão, SE, Brazil.,Physiotherapy Department, Universidade Federal de Sergipe-UFS, Lagarto, SE, Brazil
| | | | - Paula Santos Nunes
- Health Sciences Graduate Center of Universidade Federal de Sergipe-UFS, São Cristóvão, SE, Brazil.,Morphology Department, Universidade Federal de Sergipe-UFS, São Cristóvão, SE, Brazil
| | - Adriano Antunes de Souza Araújo
- Health Sciences Graduate Center of Universidade Federal de Sergipe-UFS, São Cristóvão, SE, Brazil.,Pharmacy Graduate Center, Universidade Federal de Sergipe-UFS, São Cristóvão, SE, Brazil
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Lopes Jesus AJ, Fausto R, Reva I. Conformational Space, IR-Induced, and UV-Induced Chemistry of Carvacrol Isolated in a Low-Temperature Argon Matrix. J Phys Chem A 2021; 125:8215-8229. [PMID: 34506137 DOI: 10.1021/acs.jpca.1c05907] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
In this work, monomers of carvacrol (5-isopropyl-2-methylphenol), a natural monoterpene exhibiting wide range bioactivity, were trapped in a cryogenic argon matrix and characterized by infrared spectroscopy, while quantum chemical calculations at the B3LYP and MP2 levels were employed to characterize the conformational landscape of the isolated molecule. Four conformers have been localized on the potential energy surface, and the factors accounting for their relative stability were analyzed. The two most stable conformers of carvacrol, differing in the relative orientation of the isopropyl group and both having the OH group pointing away from the vicinal methyl fragment, were identified in the cryomatrix for the first time. The individual spectral signatures of the two conformers were distinguished based on the change in their relative abundance induced by exposing the matrix to broadband infrared light. Matrix-isolated carvacrol was also irradiated with broadband UV light (λ > 200 nm), which resulted in the cleavage of the OH group. Recombination of the released H atom at the ortho- or para-position of the ring resulted in the formation of alkyl-substituted cyclohexadienones. These were found to undergo subsequent valence and open-ring isomerizations, leading, respectively, to the formation of a Dewar isomer and open-chain conjugated ketenes. Decarbonylation of the photoproducts was also observed for longer irradiation times. A mechanistic analysis of the observed photochemical transformations is presented.
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Affiliation(s)
- A J Lopes Jesus
- University of Coimbra, CQC, Faculty of Pharmacy, 3004-295 Coimbra, Portugal
| | - Rui Fausto
- University of Coimbra, CQC, Department of Chemistry, 3004-535 Coimbra, Portugal
| | - Igor Reva
- University of Coimbra, CQC, Department of Chemistry, 3004-535 Coimbra, Portugal.,University of Coimbra, CIEPQPF, Department of Chemical Engineering, 3030-790 Coimbra, Portugal
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Floris B, Galloni P, Conte V, Sabuzi F. Tailored Functionalization of Natural Phenols to Improve Biological Activity. Biomolecules 2021; 11:1325. [PMID: 34572538 PMCID: PMC8467377 DOI: 10.3390/biom11091325] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 08/31/2021] [Accepted: 09/02/2021] [Indexed: 12/11/2022] Open
Abstract
Phenols are widespread in nature, being the major components of several plants and essential oils. Natural phenols' anti-microbial, anti-bacterial, anti-oxidant, pharmacological and nutritional properties are, nowadays, well established. Hence, given their peculiar biological role, numerous studies are currently ongoing to overcome their limitations, as well as to enhance their activity. In this review, the functionalization of selected natural phenols is critically examined, mainly highlighting their improved bioactivity after the proper chemical transformations. In particular, functionalization of the most abundant naturally occurring monophenols, diphenols, lipidic phenols, phenolic acids, polyphenols and curcumin derivatives is explored.
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Affiliation(s)
- Barbara Floris
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, snc, 00133 Roma, Italy
| | - Pierluca Galloni
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, snc, 00133 Roma, Italy
| | - Valeria Conte
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, snc, 00133 Roma, Italy
| | - Federica Sabuzi
- Department of Chemical Science and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, snc, 00133 Roma, Italy
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31
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Synthesis and properties of the bio-based isomeric benzoxazine resins: Revealing the effect of the neglected short alkyl substituents. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110671] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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32
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Feasibility of Using Carvacrol/Starch Edible Coatings to Improve the Quality of Paipa Cheese. Polymers (Basel) 2021; 13:polym13152516. [PMID: 34372119 PMCID: PMC8347108 DOI: 10.3390/polym13152516] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 07/24/2021] [Accepted: 07/27/2021] [Indexed: 11/17/2022] Open
Abstract
Paipa cheese is the only Colombian semi-ripened cheese with protected geographical indication. In the current work, the effect of applying starch coatings carrying carvacrol on Paipa cheeses was analyzed. Coatings were prepared based on blends of potato starch (2 g/100 g), carvacrol (0.1 g/100 g), polysorbate 80, glycerol, and water and applied to the cheese's surface by brushing. Uncoated cheeses were also analyzed for comparison. Moreover, films were prepared and characterized in terms of their moisture content, water vapor permeability, mechanical properties, transparency, water solubility, swelling (%), and antioxidant activity. Carvacrol/starch films showed a slight decrease in their water solubility and Young's modulus, while not significant changes were observed in water vapor permeability, moisture content, transparency, and swelling behavior, in comparison with the starch films. After application on the Paipa cheeses, the carvacrol/starch coatings enhanced the brightness of the cheeses without causing significant changes in water activity, moisture content, color attributes, and mesophilic aerobic bacteria and molds/yeasts count. Moreover, edible coatings have a significant effect on the hardness, the gumminess, the springiness, and the chewiness of the Paipa cheese. Coated cheeses were better preserved at day 60 of storage because they did not show changes in their lightness, hardness, and springiness.
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Boukhatem MN, Sudha T, Darwish NH, Nada HG, Mousa SA. [Rose-scented geranium essential oil from Algeria (Pelargonium graveolens L'Hérit.): Assessment of antioxidant, anti-inflammatory and anticancer properties against different metastatic cancer cell lines]. ANNALES PHARMACEUTIQUES FRANÇAISES 2021; 80:383-396. [PMID: 34310905 DOI: 10.1016/j.pharma.2021.07.002] [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: 12/02/2020] [Revised: 06/12/2021] [Accepted: 07/19/2021] [Indexed: 12/24/2022]
Abstract
INTRODUCTION The study of natural products is one of the strategies implemented for the discovery of new compounds that can be used in cancer therapy. Aromatic herbs and medicinal plants found in Algeria and their anti-angiogenesis and cytotoxic potentials against cancer have not been much explored. OBJECTIVES Our work aimed to evaluate the antioxidant, anti-inflammatory and anticancer properties of the essential oil (EO) extracted from rose-scented geranium (Pelargonium graveolens) and its major (citronellol) and characteristic (linalool) constituents. RESULTS The chemical composition of EO was determined with chromatographic analysis and revealed the presence of citronellol as the major compound (25.84%). A strong chelating power of terpene alcohols (IC50 = 1.58 ± 0.23 mg/mL for citronellol) was found, with a significant difference (p < 0.05) compared with the standard antioxidants used (L-ascorbic acid and butylated hydroxyanisole). The EO is distinguished by an interesting anti-inflammatory effect with the lowest IC50 (4.63 ± 0.3 mg/mL), and it constitutes a good stabilizer of the erythrocyte membrane. Citronellol also exhibited the best anti-inflammatory effect (IC50 = 0.74 ± 0.09 mg/mL). We also assessed the anticancer effect of EO on two main pathways involved in cancer development, angiogenesis and cell proliferation, using in ovo bioassays with a chorio-allantoic membrane (CAM) of chicken eggs and in vitro assays of its cytotoxicity on different metastatic breast cancer (MDA-MB-231), gastric (AGS) and melanoma (MV3) cell lines. In the CAM model, the density of micro-vessels is 75 ± 10 in the group supplemented with EO compared to 140 ± 9 for the control group (b-FGF). In addition, the EO significantly reduced the number of newly formed vessels. The cytotoxicity was evaluated using the cell proliferation inhibition method and cell viability was measured using the MTT test. Results revealed that the treatment of cancer lines with different concentrations of EO reduces the rate of cell viability in a dose-dependent manner. EO showed the greatest cytotoxicity on the AGS line with an inhibition rate of 92.87 ± 0.13% at the highest dose (4 µL/mL), followed by the MV3 line (88.76 ± 0.96%). Conclusion and Prospects: Data demonstrated that rose-scented geranium EO has an anti-tumor potential on metastatic cancer cell lines. It is distinguished by its anti-proliferative, anti-angiogenic, and anti-inflammatory activities. Medicinal plants might contain new molecules, with new structures, which could become lead candidate among future anticancer drugs.
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Affiliation(s)
- Mohamed Nadjib Boukhatem
- The Pharmaceutical Research Institute, Albany College of Pharmacy and Health Sciences, Rensselaer, 12144 NY, USA; Département de Biologie et Physiologie Cellulaire, Faculté des Sciences de la Nature et de la Vie, Université Blida 1, BP 270, 09000 Blida, Algérie; Laboratoire Ethnobotanique et Substances Naturelles, Ecole Normale Supérieure de Kouba, Alger, Algérie.
| | - Thangirala Sudha
- The Pharmaceutical Research Institute, Albany College of Pharmacy and Health Sciences, Rensselaer, 12144 NY, USA
| | - Noureldien He Darwish
- The Pharmaceutical Research Institute, Albany College of Pharmacy and Health Sciences, Rensselaer, 12144 NY, USA; Clinical Pathology Department, Hematology Unit, Mansoura Faculty of Medicine, Mansoura University, 35516 Mansoura, Egypt
| | - Hanady G Nada
- The Pharmaceutical Research Institute, Albany College of Pharmacy and Health Sciences, Rensselaer, 12144 NY, USA; Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Atomic Energy Authority (AEA), Cairo, Egypt
| | - Shaker A Mousa
- The Pharmaceutical Research Institute, Albany College of Pharmacy and Health Sciences, Rensselaer, 12144 NY, USA
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Niksic H, Becic F, Koric E, Gusic I, Omeragic E, Muratovic S, Miladinovic B, Duric K. Cytotoxicity screening of Thymus vulgaris L. essential oil in brine shrimp nauplii and cancer cell lines. Sci Rep 2021; 11:13178. [PMID: 34162964 PMCID: PMC8222331 DOI: 10.1038/s41598-021-92679-x] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 06/09/2021] [Indexed: 12/09/2022] Open
Abstract
Among natural products, essential oils from aromatic plants have been reported to possess potent anticancer properties. In this work, we aimed to perform the cytotoxic concentration range screening and antiproliferative activity screening of chemically characterized Thymus vulgaris L. essential oil. In vivo bioassay was conducted using the brine shrimp lethality test (BSLT). In vitro evaluation of antiproliferative activity was carried out on three human tumor cell lines: breast adenocarcinoma MCF-7, lung carcinoma H460 and acute lymphoblastic leukemia MOLT-4 using MTT assay. Essential oil components thymol (36.7%), p-cymene (30.0%), γ-terpinene (9.0%) and carvacrol (3.6%) were identified by gas chromatography/mass spectrometry. Analyzed essential oil should be considered as toxic/highly toxic with LC50 60.38 µg/mL in BSLT and moderate/weakly cytotoxic with IC50 range 52.65–228.78 µg/mL in vitro, according to evaluated cytotoxic criteria. Essential oil induced a dose-dependent inhibition of cell proliferation in all tested tumor cell lines and showed different sensitivity. Dose dependent toxicity observed in bioassay as well as the in vitro assay confirmed that brine shrimp lethality test is an adequate method for preliminary toxicity testing of Thymus vulgaris L. essential oil in tumor cell lines.
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Affiliation(s)
- Haris Niksic
- Faculty of Pharmacy, University of Sarajevo, Zmaja od Bosne 8, 71000, Sarajevo, Bosnia and Herzegovina
| | - Fahir Becic
- Faculty of Pharmacy, University of Sarajevo, Zmaja od Bosne 8, 71000, Sarajevo, Bosnia and Herzegovina
| | - Emina Koric
- Faculty of Pharmacy, University of Sarajevo, Zmaja od Bosne 8, 71000, Sarajevo, Bosnia and Herzegovina.
| | - Irma Gusic
- Faculty of Pharmacy, University of Sarajevo, Zmaja od Bosne 8, 71000, Sarajevo, Bosnia and Herzegovina
| | - Elma Omeragic
- Faculty of Pharmacy, University of Sarajevo, Zmaja od Bosne 8, 71000, Sarajevo, Bosnia and Herzegovina
| | - Samija Muratovic
- Faculty of Pharmacy, University of Sarajevo, Zmaja od Bosne 8, 71000, Sarajevo, Bosnia and Herzegovina
| | - Bojana Miladinovic
- Faculty of Medicine, University of Nis, Dr Zoran Djindjic Boulevard 81, 18000, Niš, Serbia
| | - Kemal Duric
- Faculty of Pharmacy, University of Sarajevo, Zmaja od Bosne 8, 71000, Sarajevo, Bosnia and Herzegovina
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35
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Sahoo CR, Paidesetty SK, Padhy RN. The recent development of thymol derivative as a promising pharmacological scaffold. Drug Dev Res 2021; 82:1079-1095. [PMID: 34164828 DOI: 10.1002/ddr.21848] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 05/24/2021] [Accepted: 06/13/2021] [Indexed: 02/05/2023]
Abstract
Thymol (a phenol ring bearing active phytoconstituent) is a privileged scaffold, which is diversified in natural sources. This scaffold acts as an obligatory template for scheming and arriving at designing some newer drug-molecules with potential biological activities. In the pharmacological perspective, the promising active sites of the scaffold are the positions C-1, C-4, and C-6 of thymol that would be accountable for developing potent drug candidates. This review aims to explore the various synthetic routes and the structural-activity relationship of thymol scaffold with suitable active pharmacophore sites.
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Affiliation(s)
- Chita Ranjan Sahoo
- Central Research Laboratory, Institute of Medical Science and SUM Hospital, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, India.,Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, India
| | - Sudhir Kumar Paidesetty
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, India
| | - Rabindra Nath Padhy
- Central Research Laboratory, Institute of Medical Science and SUM Hospital, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, India
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A Regioselective Synthesis of Novel Functionalized Organochalcogen Compounds by Chalcogenocyclofunctionalization Reactions Based on Chalcogen Halides and Natural Products. Molecules 2021; 26:molecules26123729. [PMID: 34207301 PMCID: PMC8234429 DOI: 10.3390/molecules26123729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 06/15/2021] [Accepted: 06/17/2021] [Indexed: 12/04/2022] Open
Abstract
The regioselective synthesis of novel functionalized condensed organochalcogen compounds by chalcogenocyclofunctionalization reactions based on chalcogen halides and the natural products thymol and carvacrol has been developed. The reactions of selenium dibromide with allyl thymol and allyl carvacrol proceeded in methylene chloride at room temperature in the presence of NaHCO3 affording bis[(7-isopropyl-4-methyl-2,3-dihydro-1-benzofuran-2-yl)methyl] and bis[(4-isopropyl-7-methyl-2,3-dihydro-1-benzofuran-2-yl)methyl] selenides in 90–92% yield. Similar sulfides were obtained in 70–72% yields by the reaction of sulfur dichloride in chloroform under reflux. Trihalotellanes containing the same organic moieties were synthesized from allyl thymol, allyl carvacrol and tellurium tetrachloride or tetrabromide in quantitative yields. Corresponding functionalized ditellurides were prepared in 91–92% yields by the reduction of the trichlorotellanes with sodium metabisulfite in two-phase solvent system. The comparison of reactivity of sulfur, selenium and tellurium halides in chalcogenocyclofunctionalization and distinguishing features of each reaction were discussed.
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Das A, Chatani N. Rh(II)-Catalyzed C-H Alkylation of Benzylamines with Unactivated Alkenes: The Influence of Acid on Linear and Branch Selectivity. Org Lett 2021; 23:4273-4278. [PMID: 33988384 DOI: 10.1021/acs.orglett.1c01224] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The Rh-catalyzed C-H alkylation of benzylamine derivatives with unactivated 1-alkenes that proceeds via a picolinamide directing group is reported. The crucial role of an acid additive in this transformation is confirmed. Aromatic acids showed high linear selectivity, and aliphatic acids provided branched alkylation products as the major product. The reaction has a broad scope for benzylamines and alkenes. Deuterium labeling experiments suggest that a Rh-carbene intermediate is involved in the case of linear product formation. A different reaction pathway, however, appears to be involved in the case of branched alkylation products, and this pathway also appeared to be a minor pathway in linear-selective reactions.
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Affiliation(s)
- Amrita Das
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Naoto Chatani
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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Jonušaite K, Venskutonis PR, Martínez-Hernández GB, Taboada-Rodríguez A, Nieto G, López-Gómez A, Marín-Iniesta F. Antioxidant and Antimicrobial Effect of Plant Essential Oils and Sambucus nigra Extract in Salmon Burgers. Foods 2021; 10:foods10040776. [PMID: 33916629 PMCID: PMC8065744 DOI: 10.3390/foods10040776] [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: 03/04/2021] [Revised: 03/29/2021] [Accepted: 03/31/2021] [Indexed: 12/13/2022] Open
Abstract
The antioxidant capacity of oregano (OEO) and clove (CLEO) essential oils and black elderberry (Sambucus nigra) flower extract (SNE) were compared with butylhydroxytoluene (BHT) regarding its protection against lipid peroxidation and microbial counts in salmon burgers stored at 4 °C for 14 days and after cooking. The content of total phenols was 5.74% in OEO, 2.64% in CLEO and 2.67 % in the SNE. The total phenolic content and the antioxidant capacity were significantly higher (p < 0.05) for SNE and OEO. Both essential oils showed a similar IC50 and inhibition percentage of lipid peroxidation to BHT. The combination of OEO and SNE reduced 29% of thiobarbituric acid reactive substances (TBARS), while BHT reduced 31% of TBARS generated during refrigeration storage in salmon burgers in relation to the control sample without antioxidants. Additionally, the microbial counts after 14 days of refrigeration were the lowest in burgers when the combination of OEO and SNE was used. This study concludes that OEO and SNE can be used as inhibitors of lipid oxidation in salmon products and as natural candidates to replace commonly used synthetic antioxidants and antimicrobials in these food products.
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Affiliation(s)
- Kristina Jonušaite
- Department of Food, Science & Technology, Kaunas University of Technology, Radvilėnų pl. 19, LT-50254 Kaunas, Lithuania;
| | - Petras Rimantas Venskutonis
- Department of Food, Science & Technology, Kaunas University of Technology, Radvilėnų pl. 19, LT-50254 Kaunas, Lithuania;
- Correspondence: (P.R.V.); (F.M.-I.); Tel.: +34-868-884-709 (F.M.-I.)
| | - Gines Benito Martínez-Hernández
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII 48, 30203 Cartagena, Murcia, Spain; (G.B.M.-H.); (A.L.-G.)
| | - Amaury Taboada-Rodríguez
- Department of Food Technology, Nutrition and Food Science, Veterinary Faculty, University of Murcia, 30100 Murcia, Spain; (A.T.-R.); (G.N.)
| | - Gema Nieto
- Department of Food Technology, Nutrition and Food Science, Veterinary Faculty, University of Murcia, 30100 Murcia, Spain; (A.T.-R.); (G.N.)
| | - Antonio López-Gómez
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII 48, 30203 Cartagena, Murcia, Spain; (G.B.M.-H.); (A.L.-G.)
| | - Fulgencio Marín-Iniesta
- Department of Food Technology, Nutrition and Food Science, Veterinary Faculty, University of Murcia, 30100 Murcia, Spain; (A.T.-R.); (G.N.)
- Correspondence: (P.R.V.); (F.M.-I.); Tel.: +34-868-884-709 (F.M.-I.)
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Laamari Y, Auhmani A, Saadi M, Ammari LE, Khouili M, Itto MYA, Auhmani A, Ketatni EM. Synthesis, crystal structure, DFT studies and Hirshfeld surface analysis of novel isoxazole derivatives. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129450] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Sunjic SB, Gasparovic AC, Jaganjac M, Rechberger G, Meinitzer A, Grune T, Kohlwein SD, Mihaljevic B, Zarkovic N. Sensitivity of Osteosarcoma Cells to Concentration-Dependent Bioactivities of Lipid Peroxidation Product 4-Hydroxynonenal Depend on Their Level of Differentiation. Cells 2021; 10:cells10020269. [PMID: 33572933 PMCID: PMC7912392 DOI: 10.3390/cells10020269] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 01/21/2021] [Accepted: 01/26/2021] [Indexed: 12/24/2022] Open
Abstract
4-Hydroxynonenal (HNE) is a major aldehydic product of lipid peroxidation known to exert several biological effects. Normal and malignant cells of the same origin express different sensitivity to HNE. We used human osteosarcoma cells (HOS) in different stages of differentiation in vitro, showing differences in mitosis, DNA synthesis, and alkaline phosphatase (ALP) staining. Differentiated HOS cells showed decreased proliferation (3H-thymidine incorporation), decreased viability (thiazolyl blue tetrazolium bromide-MTT), and increased apoptosis and necrosis (nuclear morphology by staining with 4′,6-diamidino-2-phenylindole-DAPI). Differentiated HOS also had less expressed c-MYC, but the same amount of c-FOS (immunocytochemistry). When exposed to HNE, differentiated HOS produced more reactive oxygen species (ROS) in comparison with undifferentiated HOS. To clarify this, we measured HNE metabolism by an HPLC method, total glutathione (GSH), oxidized GSH (ox GSH), glutathione transferase activity (GST), proteasomal activity by enzymatic methods, HNE-protein adducts by genuine ELISA and fatty acid composition by GC-MS in these cell cultures. Differentiated HOS cells had less GSH, lower HNE metabolism, increased formation of HNE-protein adducts, and lower proteasomal activity, in comparison to undifferentiated counterpart cells, while GST and oxGSH were the same. Fatty acids analyzed by GC-MS showed that there is an increase in C20:3 in differentiated HOS while the amount of C20:4 remained the same. The results showed that the cellular machinery responsible for protection against toxicity of HNE was less efficient in differentiated HOS cells. Moreover, differentiated HOS cells contained more C20:3 fatty acid, which might make them more sensitive to free radical-initiated oxidative chain reactions and more vulnerable to the effects of reactive aldehydes such as HNE. We propose that HNE might act as natural promotor of decay of malignant (osteosarcoma) cells in case of their differentiation associated with alteration of the lipid metabolism.
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Affiliation(s)
- Suzana Borovic Sunjic
- Laboratory for Oxidative Stress (LabOS), Division of Molecular Medicine, Rudjer Boskovic Institute, HR-10000 Zagreb, Croatia; (S.B.S.); (A.C.G.); (M.J.); (B.M.)
| | - Ana Cipak Gasparovic
- Laboratory for Oxidative Stress (LabOS), Division of Molecular Medicine, Rudjer Boskovic Institute, HR-10000 Zagreb, Croatia; (S.B.S.); (A.C.G.); (M.J.); (B.M.)
| | - Morana Jaganjac
- Laboratory for Oxidative Stress (LabOS), Division of Molecular Medicine, Rudjer Boskovic Institute, HR-10000 Zagreb, Croatia; (S.B.S.); (A.C.G.); (M.J.); (B.M.)
| | - Gerald Rechberger
- Institute of Molecular Biosciences, Bio TechMed-Graz, University of Graz, 8010 Graz, Austria; (G.R.); (S.D.K.)
| | - Andreas Meinitzer
- University Clinic of Traumatology, University of Graz, 8010 Graz, Austria;
| | - Tilman Grune
- Department of Molecular Toxicology, German Institute of Human Nutrition Potsdam-Rehbruecke, 14558 Nuthetal, Germany;
- Department of Physiological Chemistry, Faculty of Chemistry, University of Vienna, A-1090 Vienna, Austria
| | - Sepp D. Kohlwein
- Institute of Molecular Biosciences, Bio TechMed-Graz, University of Graz, 8010 Graz, Austria; (G.R.); (S.D.K.)
| | - Branka Mihaljevic
- Laboratory for Oxidative Stress (LabOS), Division of Molecular Medicine, Rudjer Boskovic Institute, HR-10000 Zagreb, Croatia; (S.B.S.); (A.C.G.); (M.J.); (B.M.)
| | - Neven Zarkovic
- Laboratory for Oxidative Stress (LabOS), Division of Molecular Medicine, Rudjer Boskovic Institute, HR-10000 Zagreb, Croatia; (S.B.S.); (A.C.G.); (M.J.); (B.M.)
- Correspondence:
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Shang XF, Dai LX, Yang CJ, Guo X, Liu YQ, Miao XL, Zhang JY. A value-added application of eugenol as acaricidal agent: The mechanism of action and the safety evaluation. J Adv Res 2020; 34:149-158. [PMID: 35024187 PMCID: PMC8655235 DOI: 10.1016/j.jare.2020.12.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 11/27/2020] [Accepted: 12/18/2020] [Indexed: 12/21/2022] Open
Abstract
Introduction Eugenol is a major component of essential oils of several plants, it exhibits significant antiparasitic and acaricidal activities, yet its molecular targets remain unknown. Objectives We aimed to systematically investigate the mechanism of action and the potential targets of eugenol against P. cuniculi, and evaluate the safety for laying the theoretical foundation for clinical application as an acaricide. Methods Using RNA-Seq analysis, surface plasmon resonance analysis and RNA interference assay, the mode of action of eugenol against Psoroptes cuniculi was investigated. The effect on the mitochondrial membrane potential and complex I of PC12 cells and C6/36 cells was assayed to investigate the species specificity of eugenol in insects and mammals. Finally, a safety evaluation of eugenol in vivo was performed. Results Eugenol inhibited complex I activity of the mitochondrial respiratory chain in the oxidative phosphorylation pathway by binding to NADH dehydrogenase chain 2 and resulted in the death of mites. The inhibition rates were 37.89% for 50 μg/mL and 60.26% for 100 μg/mL, respectively. Further experiments indicated that the difference in the complex I sequence between insects and mammals led to the different affinity of eugenol to specific peptide, resulting in species specificity. Eugenol exhibited significant inhibitory effects against the mitochondrial membrane potential and complex I in Aedes albopictus C6/36 cells but was not active in rat PC12 cells. Insect cells were particularly sensitive to eugenol. In contrast to the known inhibitor rotenone, eugenol had better safety and did not result in Parkinson's disease or other diseases in rats. Conclusion This is the first report on acaricidal eugenol targeting complex I of the mitochondrial respiratory chain. This work lays the foundation for the development of eugenol as an environmentally alternative acaricidal agent.
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Affiliation(s)
- Xiao-Fei Shang
- Key Laboratory of New Animal Drug Project, Gansu Province, Key Laboratory of Veterinary Pharmaceutical Development of Ministry of Agriculture, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, PR China.,School of Pharmacy, Lanzhou University, Lanzhou 730000, P.R. China
| | - Li-Xia Dai
- Key Laboratory of New Animal Drug Project, Gansu Province, Key Laboratory of Veterinary Pharmaceutical Development of Ministry of Agriculture, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, PR China
| | - Chen-Jie Yang
- School of Pharmacy, Lanzhou University, Lanzhou 730000, P.R. China
| | - Xiao Guo
- Tibetan Medicine Research Center, Qinghai University, Xining 810016, P.R. China
| | - Ying-Qian Liu
- School of Pharmacy, Lanzhou University, Lanzhou 730000, P.R. China
| | - Xiao-Lou Miao
- Key Laboratory of New Animal Drug Project, Gansu Province, Key Laboratory of Veterinary Pharmaceutical Development of Ministry of Agriculture, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, PR China
| | - Ji-Yu Zhang
- Key Laboratory of New Animal Drug Project, Gansu Province, Key Laboratory of Veterinary Pharmaceutical Development of Ministry of Agriculture, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, PR China
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Pirintsos SA, Bariotakis M, Kampa M, Sourvinos G, Lionis C, Castanas E. The Therapeutic Potential of the Essential Oil of Thymbra capitata (L.) Cav., Origanum dictamnus L. and Salvia fruticosa Mill. And a Case of Plant-Based Pharmaceutical Development. Front Pharmacol 2020; 11:522213. [PMID: 33390932 PMCID: PMC7774523 DOI: 10.3389/fphar.2020.522213] [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: 12/21/2019] [Accepted: 10/15/2020] [Indexed: 11/13/2022] Open
Abstract
This review performs a comprehensive assessment of the therapeutic potential of three native herbs of Crete (Thymbra capitata (L.) Cav., Salvia fruticosa Mill. and Origanum dictamnus L.), their phytochemical constituents, health benefits and issues relevant to their safety, within a translational context. Issues discussed comprise: 1) Ethnopharmacological uses of the three herbs, reviewed through an extensive search of the literature; 2) Systematic analysis of the major phytochemical constituents of each plant, and their medicinal properties; 3) To what extent could the existing medicinal properties be combined and produce an additive or synergistic effect; 4) Possible safety issues. We conclude with a specific example of the use of a combination of the essential oils of these plants as an effective anti-viral product and the experience gained in a case of a plant-based pharmaceutical development, by presenting the major steps and the continuum of the translational chain.
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Affiliation(s)
- S A Pirintsos
- Department of Biology, University of Crete, Heraklion, Greece.,Botanical Garden, University of Crete, Rethymnon, Greece
| | - M Bariotakis
- Department of Biology, University of Crete, Heraklion, Greece.,Botanical Garden, University of Crete, Rethymnon, Greece
| | - M Kampa
- Laboratory of Experimental Endocrinology, School of Medicine, University of Crete, Heraklion, Greece
| | - G Sourvinos
- Laboratory of Clinical Virology, School of Medicine, University of Crete, Heraklion, Greece
| | - C Lionis
- Clinic of Social and Family Medicine, School of Medicine, University of Crete, Heraklion, Greece
| | - E Castanas
- Laboratory of Experimental Endocrinology, School of Medicine, University of Crete, Heraklion, Greece
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Areca nut fiber nano crystals, clay nano particles and PVA blended bionanocomposite material for active packaging of food. APPLIED NANOSCIENCE 2020. [DOI: 10.1007/s13204-020-01617-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Taheri Mirghaed A, Hoseini SM, Hoseinifar SH, Van Doan H. Effects of dietary thyme (Zataria multiflora) extract on antioxidant and immunological responses and immune-related gene expression of rainbow trout (Oncorhynchus mykiss) juveniles. FISH & SHELLFISH IMMUNOLOGY 2020; 106:502-509. [PMID: 32810529 DOI: 10.1016/j.fsi.2020.08.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 07/08/2020] [Accepted: 08/03/2020] [Indexed: 06/11/2023]
Abstract
Effects of dietary hydroalcoholic extract of Zataria multiflora (ZE) on growth performance, plasma and hepatic antioxidant capacities, and humoral and skin mucus immune parameters were evaluated in rainbow trout (Oncorhynchus mykiss) juveniles. in vitro tests showed that ZE had antioxidant property comparable to butylated hydroxytoluene (BHT) at 100-200 μg/mL concentrations, although its antioxidant property was lower than BHT at concentration below 100 μg/mL. Moreover, ZE had anti-bacterial activity against Aeromonas hydrophila, which was 30-50% lower than that of tetracycline. After feeding the fish with diets supplemented with 0 (CT, 1 (ZE1), 2 (ZE2), and 3 (ZE3) g/kg ZE for eight weeks, there were no significant differences in growth performance and feed efficiency among the treatments; however, the fish in ZE2 and ZE3 treatments showed significantly higher survival than the fish in CT treatment. Blood leukocyte counts, plasma globulin, total immunoglobulin, lysozyme and bactericidal activity against A. hydrophila in ZE2 and ZE3 groups were significantly higher than that of CT group. All the ZE-treated groups had higher plasma complement activity compared to the CT group. Mucosal lysozyme and bactericidal activities of the ZE2 fish were significantly higher than the other treatments. Expression of tumor necrosis factor alpha, interleukin-1 beta, interleukin-6, and lysozyme genes increased in head kidney of the fish treated with ZE; the highest increases were related to the ZE2 treatment. Plasma total antioxidant (TA) activities of ZE2 and ZE3 treatments were significantly higher than that of the CT treatment. Plasma and hepatic superoxide dismutase (SOD) and catalase (CAT) activities of ZE2 group were significantly higher than the other treatments. Plasma malondialdehyde (MDA) levels were significantly lower in ZE2 treatment, compared to the other treatments. However, hepatic MDA level of ZE2 treatment was significantly lower than those of the ZE1 and CT treatments. In conclusion, dietary ZE supplementation level of 2 g/kg is suggested for rainbow trout feed supplementation to augment fish survival, antioxidant and immune strength.
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Affiliation(s)
- Ali Taheri Mirghaed
- Department of Aquatic Animal Health, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Seyyed Morteza Hoseini
- Inland Waters Aquatics Resources Research Center, Iranian Fisheries Sciences Research Institute, Agricultural Research, Education and Extension Organization, Gorgan, Iran
| | - Seyed Hossein Hoseinifar
- Department of Fisheries, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
| | - Hien Van Doan
- Department of Animal and Aquatic Sciences, Faculty of Agriculture, Chiang Mai University, Chiang Mai, 50200, Thailand; Innovative Agriculture Research Center, Faculty of Agriculture, Chiang Mai University, Chiang Mai, 50200, Thailand.
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Pimpinella anisum Essential Oil Nanoemulsion Toxicity against Tribolium castaneum? Shedding Light on Its Interactions with Aspartate Aminotransferase and Alanine Aminotransferase by Molecular Docking. Molecules 2020; 25:molecules25204841. [PMID: 33092276 PMCID: PMC7587950 DOI: 10.3390/molecules25204841] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Revised: 10/11/2020] [Accepted: 10/14/2020] [Indexed: 11/17/2022] Open
Abstract
The insecticidal activity is the result of a series of complex interactions between toxic substances as ligands and insect’s enzymes as targets. Actually, synthetic insecticides used in pest control programs are harmful to the environment and may affect non-target organisms; thus, the use of natural products as pest control agents can be very attractive. In the present work, the toxic effect of aniseed (Pimpinella anisum L.) essential oil (EO) and its nanoemulsion (NE) against the red flour beetle Tribolium castaneum, has been evaluated. To assess the EO mode of action, the impact of sub-lethal concentrations of aniseed EO and NE was evaluated on enzymatic and macromolecular parameters of the beetles, including aspartate aminotransferase (AST), alanine aminotransferase (ALT), total protein, total lipids and glucose. Finally, a molecular docking study was conducted to predict the mode of action of the major EO and NE components namely E-anethole, Limonene, alpha-himalachalene, trans-Verbenol and Linalool at binding site of the enzymes AST and ALT. Herein, the binding location of the main compounds in both proteins are discussed suggesting the possible interactions between the considered enzymes and ligands. The obtained results open new horizons to understand the evolution and response of insect-plant compounds interactions and their effect predicted at the molecular levels and side effects of both animal and human.
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Gonzalez A, Miñán AG, Grillo CA, Prieto ED, Schilardi PL, Fernández Lorenzo de Mele MA. Characterization and antimicrobial effect of a bioinspired thymol coating formed on titanium surface by one-step immersion treatment. Dent Mater 2020; 36:1495-1507. [PMID: 32988646 DOI: 10.1016/j.dental.2020.09.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 06/03/2020] [Accepted: 09/04/2020] [Indexed: 11/18/2022]
Abstract
OBJECTIVE To develop an antimicrobial and anti-adherent thymol (TOH)-containing coating on titanium (Ti) by a bioinspired one-step biocompatible method. METHODS A nanolayer of adsorbed TOH (TOH-NL-Ti) was formed by an easy deep coating method on Ti surface. The treatment consists in a simple one-step immersion process in a TOH-containing solution. Attenuated Total Reflection Fourier Transform Infrared Spectroscopy (ATR-FTIR), potentiodynamic electrochemical technique, open circuit potential records, Atomic Force Microscopy (AFM) and measurements of TOH release were used to characterize TOH-NL-Ti. Live/Dead staining and plate counting were employed to quantify attached and living adhered bacteria, respectively. Biocompatibility and cytotoxicity in fibroblastic and pre-osteoblastic cell lines were evaluated by acridine orange staining and MTT assay, respectively. RESULTS TOH adsorbed on TOH-NL-Ti was detected by ATR-FTIR and electrochemical techniques. ATR-FTIR results showed that TOH nanofilms development involves spontaneous production of ketonic structures on Ti surface. AFM analysis revealed that the thickness of the TOH-NL was below 80 nm. Finally, microbiological assays confirmed that TOH-NL-Ti can inhibit the adhesion and kill attached bacteria leading to the eradication of leaving cells on its surface. After 24 h of biocidal release, the antimicrobial effect is also significant (a decrease of 3 orders in the number of attached bacteria). SIGNIFICANCE The formation of TOH-NL-Ti nanolayer is a simple strategy able to be applied by not specially trained personnel, to reduce implant infection risks, ensure highly effective antimicrobial action and inhibition of bacterial adhesion on Ti surfaces without showing toxic effects for pre-osteoblastic and fibroblastic cells.
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Affiliation(s)
- Ariel Gonzalez
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA) Facultad de Ciencias Exactas, Universidad Nacional de La Plata- CONICET, Casilla de Correo 16, Sucursal 4, 1900 La Plata, Argentina.
| | - Alejandro Guillermo Miñán
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA) Facultad de Ciencias Exactas, Universidad Nacional de La Plata- CONICET, Casilla de Correo 16, Sucursal 4, 1900 La Plata, Argentina.
| | - Claudia Alejandra Grillo
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA) Facultad de Ciencias Exactas, Universidad Nacional de La Plata- CONICET, Casilla de Correo 16, Sucursal 4, 1900 La Plata, Argentina.
| | - Eduardo Daniel Prieto
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA) Facultad de Ciencias Exactas, Universidad Nacional de La Plata- CONICET, Casilla de Correo 16, Sucursal 4, 1900 La Plata, Argentina.
| | - Patricia Laura Schilardi
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA) Facultad de Ciencias Exactas, Universidad Nacional de La Plata- CONICET, Casilla de Correo 16, Sucursal 4, 1900 La Plata, Argentina.
| | - Mónica Alicia Fernández Lorenzo de Mele
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA) Facultad de Ciencias Exactas, Universidad Nacional de La Plata- CONICET, Casilla de Correo 16, Sucursal 4, 1900 La Plata, Argentina; Facultad de Ingeniería, Universidad Nacional de La Plata, Calle 47 y 1, 1900 La Plata, Argentina.
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Ramos M, Fortunati E, Beltrán A, Peltzer M, Cristofaro F, Visai L, Valente AJ, Jiménez A, Kenny JM, Garrigós MC. Controlled Release, Disintegration, Antioxidant, and Antimicrobial Properties of Poly (Lactic Acid)/Thymol/Nanoclay Composites. Polymers (Basel) 2020; 12:E1878. [PMID: 32825481 PMCID: PMC7565000 DOI: 10.3390/polym12091878] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 08/14/2020] [Accepted: 08/17/2020] [Indexed: 12/14/2022] Open
Abstract
Nano-biocomposite films based on poly (lactic acid) (PLA) were prepared by adding thymol (8 wt.%) and a commercial montmorillonite (D43B) at different concentrations (2.5 and 5 wt.%). The antioxidant, antimicrobial, and disintegration properties of all films were determined. A kinetic study was carried out to evaluate the thymol release from the polymer matrix into ethanol 10% (v/v) as food simulant. The nanostructured networks formed in binary and ternary systems were of interest in controlling the release of thymol into the food simulant. The results indicated that the diffusion of thymol through the PLA matrix was influenced by the presence of the nanoclay. Disintegration tests demonstrated that the incorporation of both additives promoted the breakdown of the polymer matrix due to the presence of the reactive hydroxyl group in the thymol structure and ammonium groups in D43B. Active films containing thymol and D43B efficiently enhanced the antioxidant activity (inhibition values higher than 77%) of the nano-biocomposites. Finally, the addition of 8 wt.% thymol and 2.5 wt.% D43B significantly increased the antibacterial activity against Escherichia coli and Staphylococcus aureus 8325-4, resulting in a clear advantage to improve the shelf-life of perishable packaged food.
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Affiliation(s)
- Marina Ramos
- Nutrition & Food Sciences, Department of Analytical Chemistry, University of Alicante, 03080 Alicante, Spain; (A.B.); (A.J.); (M.C.G.)
| | - Elena Fortunati
- Civil Environmental Engineering Department, University of Perugia, UdR INSTM, Strada di Pentima 4, 05100 Terni, Italy; (E.F.); (J.M.K.)
| | - Ana Beltrán
- Nutrition & Food Sciences, Department of Analytical Chemistry, University of Alicante, 03080 Alicante, Spain; (A.B.); (A.J.); (M.C.G.)
| | - Mercedes Peltzer
- Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Bernal, Buenos Aires B1876BXD, Argentina;
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires (CABA), Buenos Aires C1425FQB, Argentina
| | - Francesco Cristofaro
- Department of Molecular Medicine, Center for Health Technologies (C.H.T.), UdR INSTM, University of Pavia, 27100 Pavia, Italy; (F.C.); (L.V.)
| | - Livia Visai
- Department of Molecular Medicine, Center for Health Technologies (C.H.T.), UdR INSTM, University of Pavia, 27100 Pavia, Italy; (F.C.); (L.V.)
- Department of Occupational Medicine, Toxicology and Environmental Risks, Istituti Clinici Scientifici (ICS) Maugeri, Società Benefit S.p.A IRCCS, 27100 Pavia, Italy
| | - Artur J.M. Valente
- Department of Chemistry, University of Coimbra, CQC, 3004-535 Coimbra, Portugal;
| | - Alfonso Jiménez
- Nutrition & Food Sciences, Department of Analytical Chemistry, University of Alicante, 03080 Alicante, Spain; (A.B.); (A.J.); (M.C.G.)
| | - José María Kenny
- Civil Environmental Engineering Department, University of Perugia, UdR INSTM, Strada di Pentima 4, 05100 Terni, Italy; (E.F.); (J.M.K.)
| | - María Carmen Garrigós
- Nutrition & Food Sciences, Department of Analytical Chemistry, University of Alicante, 03080 Alicante, Spain; (A.B.); (A.J.); (M.C.G.)
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Getnet TG, da Silva GF, S. Duarte I, Kayama ME, Rangel EC, Cruz NC. Atmospheric Pressure Plasma Chemical Vapor Deposition of Carvacrol Thin Films on Stainless Steel to Reduce the Formation of E. Coli and S. Aureus Biofilms. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E3166. [PMID: 32679884 PMCID: PMC7411687 DOI: 10.3390/ma13143166] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 02/12/2020] [Accepted: 02/17/2020] [Indexed: 11/16/2022]
Abstract
In this paper, we have investigated the deposition of thin films from natural carvacrol extract using dielectric barrier discharge (DBD) plasma polymerization, aiming at the inhibition of bacteria adhesion and proliferation. The films deposited on stainless steel samples have been characterized by scanning electron microscopy, infrared reflectance-absorbance spectroscopy, profilometry, and contact angle measurements. Films with thicknesses ranging from 1.5 μm to 3.5 μm presented a chemical structure similar to that of carvacrol. While the formation of biofilm was observed on untreated samples, the coating completely inhibited the adhesion of E. coli and reduced the adhesion of S. aureus biofilm in more than 90%.
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Affiliation(s)
- Tsegaye Gashaw Getnet
- Laboratory of Technological Plasmas, São Paulo State University, Sorocaba 18087-180, SP, Brazil; (T.G.G.); (E.C.R.)
- Department of Chemistry, Bahir Dar University, Bahir Dar 79, Ethiopia
| | - Gabriela F. da Silva
- Laboratory of Environmental Microbiology, Federal University of Sao Carlos, Sorocaba 18052-780, SP, Brazil; (G.F.d.S.); (I.S.D.)
| | - Iolanda S. Duarte
- Laboratory of Environmental Microbiology, Federal University of Sao Carlos, Sorocaba 18052-780, SP, Brazil; (G.F.d.S.); (I.S.D.)
| | - Milton E. Kayama
- Laboratory of Plasmas and Applications, São Paulo State University, Guaratinguetá 12516-410, SP, Brazil; or
| | - Elidiane C. Rangel
- Laboratory of Technological Plasmas, São Paulo State University, Sorocaba 18087-180, SP, Brazil; (T.G.G.); (E.C.R.)
| | - Nilson C. Cruz
- Laboratory of Technological Plasmas, São Paulo State University, Sorocaba 18087-180, SP, Brazil; (T.G.G.); (E.C.R.)
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49
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Erukainure OL, Salau VF, Oyenihi AB, Mshicileli N, Islam MS. Strawberry fruit (Fragaria x ananassa cv. Romina) extenuates iron-induced cardiac oxidative injury via effects on redox balance, angiotensin-converting enzyme, purinergic activities, and metabolic pathways. J Food Biochem 2020; 44:e13315. [PMID: 32510661 DOI: 10.1111/jfbc.13315] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 04/15/2020] [Accepted: 05/11/2020] [Indexed: 12/20/2022]
Abstract
The potential cardioprotective properties of strawberry fruit (Fragaria x ananassa) (SF) were investigated in cardiac tissues ex vivo. Oxidative injury was induced by incubating freshly harvested cardiac tissue homogenates from healthy Sprague Dawley male rats with 0.1 mM FeSO4 for 30 min at 37°C. The induction of oxidative injury resulted in depleted levels of glutathione, superoxide dismutase, catalase, E-NTPDase activities, and HDL-c, while elevating the levels of malondialdehyde, angiotensin-converting enzyme, acetylcholinesterase, ATPase, lipase activities, cholesterol, triglyceride, and LDL-c. Co-incubation with SF significantly reversed these levels and activities with concomitant depletion of oxidative-induced metabolites and reactivation of oxidative-inactivated pathways, while limiting beta-oxidation of very long chain fatty acids and mitochondrial beta-oxidation of medium-chain saturated fatty acids pathways. These data portray the potential cardioprotective effects of strawberry fruits against oxidative-induced cardiopathy via the attenuation of oxidative stress, inhibition of ACE and acetylcholinesterase activities, and modulation of lipid dysmetabolism. PRACTICAL APPLICATIONS: Fruits and other fruit-based products have been enjoying wide acceptability among consumers due to their immense medicinal benefits particularly, on cardiovascular health. Strawberries are among the common fruits in the world. Over the years, cardiovascular diseases have been known to contribute greatly to global mortality irrespective of age. This study reports the potentials of strawberry fruits to protect against oxidative mediated cardiovascular dysfunctions. Thus, the fruits can be utilized as a cheap alternative for the development of nutraceuticals for maintaining cardiac health.
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Affiliation(s)
- Ochuko L Erukainure
- Department of Pharmacology, School of Clinical Medicine, Faculty of Health Sciences, University of the Free State, Bloemfontein, South Africa
| | - Veronica F Salau
- Department of Biochemistry, School of Life Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Ayodeji B Oyenihi
- Functional Foods Research Unit, Faculty of Applied Sciences, Cape Peninsula University of Technology, Bellville, South Africa
| | - Ndumiso Mshicileli
- AgriFood Technology Station, Faculty of Applied Sciences, Cape Peninsula University of Technology, Bellville, South Africa
| | - Md Shahidul Islam
- Department of Biochemistry, School of Life Sciences, University of KwaZulu-Natal, Durban, South Africa
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50
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Wróblewska A, Retajczyk M. The isomerization of S-carvone over the natural clinoptilolite as the catalyst: the influence of reaction time, temperature and catalyst content. REACTION KINETICS MECHANISMS AND CATALYSIS 2020. [DOI: 10.1007/s11144-020-01781-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Abstract
This work describes the isomerization of S-carvone using a natural zeolite—clinoptilolite as the catalyst. The isomerization of S-carvone was carried out at the catalyst content in the reaction mixture from 5 to 15 wt%, in a temperature range of 190–210 °C and for the reaction time from 60 to 300 min. The main product of the isomerization of S-carvone was aromatic alcohol with many practical applications—carvacrol. The use of the most favorable reaction conditions (the reaction time of 3 h, the temperature of 210 °C and the catalyst content 15 wt%) allowed to obtain this compound with high yield amounted to about 90 mol%. The S-carvone isomerization is an example of environmentally friendly process because it does not use any solvents, S-carvone can be separated from cheap cumin waste (renewable biomass) and a cheap zeolite of natural origin—clinoptilolite can be is used as the catalyst.
Graphic abstract
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