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Nowak A, Zagórska-Dziok M, Ossowicz-Rupniewska P, Makuch E, Duchnik W, Kucharski Ł, Adamiak-Giera U, Prowans P, Czapla N, Bargiel P, Petriczko J, Markowska M, Klimowicz A. Epilobium angustifolium L. Extracts as Valuable Ingredients in Cosmetic and Dermatological Products. Molecules 2021; 26:3456. [PMID: 34200200 PMCID: PMC8201033 DOI: 10.3390/molecules26113456] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 06/04/2021] [Accepted: 06/05/2021] [Indexed: 11/18/2022] Open
Abstract
Epilobium angustifolium L. is a popular and well-known medicinal plant. In this study, an attempt to evaluate the possibility of using this plant in preparations for the care and treatment of skin diseases was made. The antioxidant, antiaging and anti-inflammatory properties of ethanolic extracts from Epilobium angustifolium (FEE) were assessed. Qualitative and quantitative evaluation of extracts chemically composition was performed by gas chromatography with mass spectrometry (GC-MS) and high-performance liquid chromatography (HPLC). The total polyphenol content (TPC) of biologically active compounds, such as the total content of polyphenols (TPC), flavonoids (TFC), and assimilation pigments, as well as selected phenolic acids, was assessed. FEE was evaluated for their anti-inflammatory and antiaging properties, achieving 68% inhibition of lipoxygenase activity, 60% of collagenase and 49% of elastase. FEE also showed high antioxidant activity, reaching to 87% of free radical scavenging using 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 59% using 2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS). Additionally, in vitro penetration studies were performed using two vehicles, i.e., a hydrogel and an emulsion containing FEE. These studies showed that the active ingredients contained in FEE penetrate through human skin and accumulate in it. The obtained results indicate that E. angustifolium may be an interesting plant material to be applied as a component of cosmetic and dermatological preparations with antiaging and anti-inflammatory properties.
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Affiliation(s)
- Anna Nowak
- Department of Cosmetic and Pharmaceutical Chemistry, Pomeranian Medical University in Szczecin, PL-70111 Szczecin, Poland; (W.D.); (Ł.K.); (A.K.)
| | - Martyna Zagórska-Dziok
- Department of Technology of Cosmetic and Pharmaceutical Products, Medical College, University of Information Technology and Management in Rzeszow, Sucharskiego 2, PL-35225 Rzeszów, Poland;
| | - Paula Ossowicz-Rupniewska
- Department of Chemical Organic Technology and Polymeric Materials, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, PL-70322 Szczecin, Poland; (P.O.-R.); (E.M.)
| | - Edyta Makuch
- Department of Chemical Organic Technology and Polymeric Materials, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, PL-70322 Szczecin, Poland; (P.O.-R.); (E.M.)
| | - Wiktoria Duchnik
- Department of Cosmetic and Pharmaceutical Chemistry, Pomeranian Medical University in Szczecin, PL-70111 Szczecin, Poland; (W.D.); (Ł.K.); (A.K.)
| | - Łukasz Kucharski
- Department of Cosmetic and Pharmaceutical Chemistry, Pomeranian Medical University in Szczecin, PL-70111 Szczecin, Poland; (W.D.); (Ł.K.); (A.K.)
| | - Urszula Adamiak-Giera
- Department of Pharmacokinetics and Therapeutic Drug Monitoring, Pomeranian Medical University in Szczecin, PL-70111 Szczecin, Poland;
| | - Piotr Prowans
- Department of Plastic, Endocrine and General Surgery, Pomeranian Medical University in Szczecin, PL-72010 Police, Poland; (P.P.); (N.C.); (P.B.); (J.P.); (M.M.)
| | - Norbert Czapla
- Department of Plastic, Endocrine and General Surgery, Pomeranian Medical University in Szczecin, PL-72010 Police, Poland; (P.P.); (N.C.); (P.B.); (J.P.); (M.M.)
| | - Piotr Bargiel
- Department of Plastic, Endocrine and General Surgery, Pomeranian Medical University in Szczecin, PL-72010 Police, Poland; (P.P.); (N.C.); (P.B.); (J.P.); (M.M.)
| | - Jan Petriczko
- Department of Plastic, Endocrine and General Surgery, Pomeranian Medical University in Szczecin, PL-72010 Police, Poland; (P.P.); (N.C.); (P.B.); (J.P.); (M.M.)
| | - Marta Markowska
- Department of Plastic, Endocrine and General Surgery, Pomeranian Medical University in Szczecin, PL-72010 Police, Poland; (P.P.); (N.C.); (P.B.); (J.P.); (M.M.)
| | - Adam Klimowicz
- Department of Cosmetic and Pharmaceutical Chemistry, Pomeranian Medical University in Szczecin, PL-70111 Szczecin, Poland; (W.D.); (Ł.K.); (A.K.)
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In Vitro Coliform Resistance to Bioactive Compounds in Urinary Infection, Assessed in a Lab Catheterization Model. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11094315] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Bioactive compounds and phenolic compounds are viable alternatives to antibiotics in recurrent urinary tract infections. This study aimed to use a natural functional product, based on the bioactive compounds’ composition, to inhibit the uropathogenic strains of Escherichia coli. E.coli ATCC 25922 was used to characterize the IVCM (new in vitro catheterization model). As support for reducing bacterial proliferation, the cytotoxicity against a strain of Candida albicans was also determined (over 75% at 1 mg/mL). The results were correlated with the analysis of the distribution of biologically active compounds (trans-ferulic acid-268.44 ± 0.001 mg/100 g extract and an equal quantity of Trans-p-coumaric acid and rosmarinic acid). A pronounced inhibitory effect against the uropathogenic strain E. coli 317 (4 log copy no./mL after 72 h) was determined. The results showed a targeted response to the product for tested bacterial strains. The importance of research resulted from the easy and fast characterization of the functional product with antimicrobial effect against uropathogenic strains of E. coli. This study demonstrated that the proposed in vitro model was a valuable tool for assessing urinary tract infections with E. coli.
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Benmahieddine A, Belyagoubi-Benhammou N, Belyagoubi L, El Zerey-Belaskri A, Gismondi A, Di Marco G, Canini A, Bechlaghem N, Atik Bekkara F, Djebli N. Influence of plant and environment parameters on phytochemical composition and biological properties of Pistacia atlantica Desf. BIOCHEM SYST ECOL 2021. [DOI: 10.1016/j.bse.2021.104231] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Bacterial Whole Cells Synthesis of Whisky Lactones in a Solid-State Fermentation Bioreactor Prototype. Catalysts 2021. [DOI: 10.3390/catal11030320] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Agro-industrial side streams such as oilseed cakes were used as a medium in solid-state fermentation (SSF) for microbial oxidation of anti- and syn-3-methyl-octane-1,4-diols to obtain corresponding trans- and cis-whisky lactones. In preliminary screening transformations, a wide range of whole bacterial cells were tested on the basis of oxidation activity, which is rarely described in the literature, in contrast to the widely studied lipolytic activity on SSF. Among the different oil cakes tested, biotransformations carried out on linseed cake were characterized by the highest conversion and stereoselectivity. Several preparative-scale oxidations performed in a self-constructed SSF bioreactor catalyzed by Rhodococcus erythropolis DSM44534, Rhodococcus erythropolis PCM2150 and Gordonia rubripertincta PCM2144 afforded optically active trans-(+)-(4S,5R), cis-(+)-(4R,5R) and cis-(-)-(4S,5S) isomers of whisky lactones, respectively. Bacteria of the Rhodococcus, Gordonia, Dietzia and Streptomyces genera carried out transformations with complete conversion after three days. Various extraction methods were applied for the isolation of the products, and among them, the combination of steam distillation with simple extraction were the most efficient. Biotransformations were conducted under precise control of conditions in a bioreactor based on a Raspberry Pi Zero W. The proposed low-cost (ca. USD 100) bioreactor is a standalone system that is fully autoclavable and easy to use.
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McClements DJ, Das AK, Dhar P, Nanda PK, Chatterjee N. Nanoemulsion-Based Technologies for Delivering Natural Plant-Based Antimicrobials in Foods. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2021. [DOI: 10.3389/fsufs.2021.643208] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
There is increasing interest in the use of natural preservatives (rather than synthetic ones) for maintaining the quality and safety of foods due to their perceived environmental and health benefits. In particular, plant-based antimicrobials are being employed to protect against microbial spoilage, thereby improving food safety, quality, and shelf-life. However, many natural antimicrobials cannot be utilized in their free form due to their chemical instability, poor dispersibility in food matrices, or unacceptable flavor profiles. For these reasons, encapsulation technologies, such as nanoemulsions, are being developed to overcome these hurdles. Indeed, encapsulation of plant-based preservatives can improve their handling and ease of use, as well as enhance their potency. This review highlights the various kinds of plant-based preservatives that are available for use in food applications. It then describes the methods available for forming nanoemulsions and shows how they can be used to encapsulate and deliver plant-based preservatives. Finally, potential applications of nano-emulsified plant-based preservatives for improving food quality and safety are demonstrated in the meat, fish, dairy, and fresh produce areas.
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Nowak A, Cybulska K, Makuch E, Kucharski Ł, Różewicka-Czabańska M, Prowans P, Czapla N, Bargiel P, Petriczko J, Klimowicz A. In Vitro Human Skin Penetration, Antioxidant and Antimicrobial Activity of Ethanol-Water Extract of Fireweed ( Epilobium angustifolium L.). Molecules 2021; 26:E329. [PMID: 33435259 PMCID: PMC7827182 DOI: 10.3390/molecules26020329] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 12/31/2020] [Accepted: 01/04/2021] [Indexed: 11/17/2022] Open
Abstract
Epilobium angustifolium L. is applied as an antiseptic agent in the treatment of skin diseases. However, there is a lack of information on human skin penetration of active ingredients with antioxidative potential. It seems crucial because bacterial infections of skin and subcutaneous tissue are common and partly depend on oxidative stress. Therefore, we evaluated in vitro human skin penetration of fireweed ethanol-water extracts (FEEs) by determining antioxidant activity of these extracts before and after penetration study using 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS), and Folin-Ciocalteu methods. Microbiological tests of extracts were done. The qualitative and quantitative evaluation was performed using gas chromatography-mass spectrometry (GC-MS) and high-performance liquid chromatography (HPLC-UV) methods. The in vitro human skin penetration using the Franz diffusion chamber was assessed. The high antioxidant activity of FEEs was found. Gallic acid (GA), chlorogenic acid (ChA), 3,4-dihydroxybenzoic acid (3,4-DHB), 4-hydroxybenzoic acid (4-HB), and caffeic acid (CA) were identified in the extracts. The antibacterial activities were found against Serratia lutea, S. marcescens, Bacillus subtilis, B. pseudomycoides, and B. thuringiensis and next Enterococcus faecalis, E. faecium, Streptococcus pneumoniae, Pseudomonas aeruginosa, and P. fluorescens strains. In vitro penetration studies showed the penetration of some phenolic acids and their accumulation in the skin. Our results confirm the importance of skin penetration studies to guarantee the efficacy of formulations containing E. angustifolium extracts.
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Affiliation(s)
- Anna Nowak
- Department of Cosmetic and Pharmaceutical Chemistry, Pomeranian Medical University in Szczecin, PL-70111 Szczecin, Poland; (Ł.K.); (A.K.)
| | - Krystyna Cybulska
- Department of Microbiology and Environmental Chemistry, Faculty of Environmental Management and Agriculture, West Pomeranian University of Technology, Szczecin, PL-71434 Szczecin, Poland;
| | - Edyta Makuch
- Department of Chemical Organic Technology and Polymeric Materials, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology, Szczecin, PL-70322 Szczecin, Poland;
| | - Łukasz Kucharski
- Department of Cosmetic and Pharmaceutical Chemistry, Pomeranian Medical University in Szczecin, PL-70111 Szczecin, Poland; (Ł.K.); (A.K.)
| | - Monika Różewicka-Czabańska
- Clinic of Skin and Venereal Diseases, Pomeranian Medical University in Szczecin, PL-72010 Police, Poland;
| | - Piotr Prowans
- Department of Plastic, Endocrine and General Surgery, Pomeranian Medical University in Szczecin, PL-72010 Police, Poland; (P.P.); (N.C.); (P.B.); (J.P.)
| | - Norbert Czapla
- Department of Plastic, Endocrine and General Surgery, Pomeranian Medical University in Szczecin, PL-72010 Police, Poland; (P.P.); (N.C.); (P.B.); (J.P.)
| | - Piotr Bargiel
- Department of Plastic, Endocrine and General Surgery, Pomeranian Medical University in Szczecin, PL-72010 Police, Poland; (P.P.); (N.C.); (P.B.); (J.P.)
| | - Jan Petriczko
- Department of Plastic, Endocrine and General Surgery, Pomeranian Medical University in Szczecin, PL-72010 Police, Poland; (P.P.); (N.C.); (P.B.); (J.P.)
| | - Adam Klimowicz
- Department of Cosmetic and Pharmaceutical Chemistry, Pomeranian Medical University in Szczecin, PL-70111 Szczecin, Poland; (Ł.K.); (A.K.)
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Marinas IC, Oprea E, Geana EI, Tutunaru O, Pircalabioru GG, Zgura I, Chifiriuc MC. Valorization of Gleditsia triacanthos Invasive Plant Cellulose Microfibers and Phenolic Compounds for Obtaining Multi-Functional Wound Dressings with Antimicrobial and Antioxidant Properties. Int J Mol Sci 2020; 22:E33. [PMID: 33375126 PMCID: PMC7792949 DOI: 10.3390/ijms22010033] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 12/11/2020] [Accepted: 12/17/2020] [Indexed: 01/13/2023] Open
Abstract
Gleditsia triacanthos is an aggressive invasive species in Eastern Europe, producing a significant number of pods that could represent an inexhaustible resource of raw material for various applications. The aim of this study was to extract cellulose from the Gleditsia triacanthos pods, characterize it by spectrophotometric and UHPLC-DAD-ESI/MS analysis, and use it to fabricate a wound dressing that is multi-functionalized with phenolic compounds extracted from the leaves of the same species. The obtained cellulose microfibers (CM) were functionalized, lyophilized, and characterized by ATR-FTIR and SEM. The water absorption and retention capacity as well as the controlled release of phenolic compounds with antioxidant properties evaluated in temporal dynamics were also determined. The antimicrobial activity against reference and clinical multi-drug-resistant Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, Acinetobacter baumannii, Enterobacter cloacae, Candida albicans, and Candida parapsilosis strains occurred immediately after the contact with the tested materials and was maintained for 24 h for all tested microbial strains. In conclusion, the multi-functionalized cellulose microfibers (MFCM) obtained from the reproductive organs of an invasive species can represent a promising alternative for the development of functional wound dressings with antioxidant and antimicrobial activity, as well as being a scalable example for designing cost-effective, circular bio-economy approaches to combat the accelerated spread of invasive species.
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Affiliation(s)
- Ioana Cristina Marinas
- Research Institute of the University of Bucharest-ICUB, Microbiology Department, Faculty of Biology, University of Bucharest, 91-95 Spl. Independentei, 050095 Bucharest, Romania; (I.C.M.); (G.G.P.); (M.C.C.)
- National Institute of Research & Development for Food Bioresources—IBA Bucharest, 6 Dinu Vintila Street, 021102 Bucharest, Romania
| | - Eliza Oprea
- Department of Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, 4-12 Regina Elisabeta, 030018 Bucharest, Romania
| | - Elisabeta-Irina Geana
- National R&D Institute for Cryogenics and Isotopic Technologies—ICIT Rm. Valcea, 4 Uzinei Street, PO Raureni, 240050 Ramnicu Valcea, Romania;
| | - Oana Tutunaru
- National Institute for Research and Development in Microtechnologies IMT-Bucharest, Erou Iancu Nicolae Street, 126A, 077190 Bucharest, Romania;
| | - Gratiela Gradisteanu Pircalabioru
- Research Institute of the University of Bucharest-ICUB, Microbiology Department, Faculty of Biology, University of Bucharest, 91-95 Spl. Independentei, 050095 Bucharest, Romania; (I.C.M.); (G.G.P.); (M.C.C.)
| | - Irina Zgura
- Department of Optical Processes in Nanostructured Materials, National Institute of Materials Physics Atomistilor Street, 405A, 077125 Magurele, Romania;
| | - Mariana Carmen Chifiriuc
- Research Institute of the University of Bucharest-ICUB, Microbiology Department, Faculty of Biology, University of Bucharest, 91-95 Spl. Independentei, 050095 Bucharest, Romania; (I.C.M.); (G.G.P.); (M.C.C.)
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Fursenco C, Calalb T, Uncu L, Dinu M, Ancuceanu R. Solidago virgaurea L.: A Review of Its Ethnomedicinal Uses, Phytochemistry, and Pharmacological Activities. Biomolecules 2020; 10:biom10121619. [PMID: 33266185 PMCID: PMC7761148 DOI: 10.3390/biom10121619] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 11/24/2020] [Accepted: 11/26/2020] [Indexed: 01/26/2023] Open
Abstract
Solidago virgaurea L. (European goldenrod, Woundwort), Asteraceae, is a familiar medicinal plant in Europe and other parts of the world, widely used and among the most researched species from its genus. The aerial parts of European goldenrod have long been used for urinary tract conditions and as an anti-inflammatory agent in the traditional medicine of different peoples. Its main chemical constituents are flavonoids (mainly derived from quercetin and kaempferol), C6-C1 and C6-C3 compounds, terpenes (mostly from the essential oil), and a large number of saponin molecules (mainly virgaureasaponins and solidagosaponins). Published research on its potential activities is critically reviewed here: antioxidant, anti-inflammatory, analgesic, spasmolitic, antihypertensive, diuretic, antibacterial, antifungal, antiparasite, cytotoxic and antitumor, antimutagenic, antiadipogenic, antidiabetic, cardioprotective, and antisenescence. The evidence concerning its potential benefits is mainly derived from non-clinical studies, some effects are rather modest, whereas others are more promising, but need more confirmation in both non-clinical models and clinical trials.
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Affiliation(s)
- Cornelia Fursenco
- Departament of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmacy, Nicolae Testemitanu SUMPh, 66 Mălina Mică Street, MD-2025 Chisinau, Moldova; (C.F.); (T.C.)
- Scientific Center of Medicines, Faculty of Pharmacy, Nicolae Testemitanu SUMPh, 66 Mălina Mică Street, MD-2025 Chisinau, Moldova;
| | - Tatiana Calalb
- Departament of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmacy, Nicolae Testemitanu SUMPh, 66 Mălina Mică Street, MD-2025 Chisinau, Moldova; (C.F.); (T.C.)
| | - Livia Uncu
- Scientific Center of Medicines, Faculty of Pharmacy, Nicolae Testemitanu SUMPh, 66 Mălina Mică Street, MD-2025 Chisinau, Moldova;
- Departament of Pharmaceutical and Toxicological Chemistry, Faculty of Pharmacy, Nicolae Testemitanu SUMPh, 66 Mălina Mică Street, MD-2025 Chisinau, Moldova
| | - Mihaela Dinu
- Department of Pharmaceutical Botany and Cell Biology, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 6 Traian Vuia Street, Sector 2, 020956 Bucharest, Romania;
- Correspondence:
| | - Robert Ancuceanu
- Department of Pharmaceutical Botany and Cell Biology, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 6 Traian Vuia Street, Sector 2, 020956 Bucharest, Romania;
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Gonçalves Dias LF, Stamboroski S, Noeske M, Salz D, Rischka K, Pereira R, Mainardi MDC, Cardoso MH, Wiesing M, Bronze-Uhle ES, Esteves Lins RB, Lisboa-Filho PN. New details of assembling bioactive films from dispersions of amphiphilic molecules on titania surfaces. RSC Adv 2020; 10:39854-39869. [PMID: 35558137 PMCID: PMC9088674 DOI: 10.1039/d0ra06511k] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 10/22/2020] [Indexed: 12/11/2022] Open
Abstract
Tailoring the surface properties of materials for biomedical applications is important to avoid clinical complications. Forming thin layers of amphiphilic molecules with apolar regions that facilitate attractive intermolecular interactions, can be a suitable and versatile approach to achieve hydrophobic surface modification and provide functional antibacterial properties. Aiming to correlate layer structure and properties starting from film formation, octadecylphosphonic acid (ODPA) and dimethyloctadecyl (3-trimethoxysilylpropyl) ammonium chloride (DMOAP) layers were adsorbed onto smooth titania surfaces. Then the films were studied by atomic force microscopy (AFM) and X-ray Photoelectron Spectroscopy (XPS), and their interactions with aqueous environments were characterized by contact angle and zeta potential measurements. In addition, antibacterial assays were performed using E. coli and S. mutants to reveal the antibacterial properties effected by the surface modification. Immediately after sputter deposition, titania was hydrophilic; however, after air storage and adsorption of DMOAP or ODPA, an increase in the water contact angle was observed. XPS investigations after layer formation and after antibacterial tests revealed that the attachment of layers assembled from ODPA on titania substrates is considerably stronger and more stable than that observed for DMOAP films. Heat treatment strongly affects DMOAP layers. Furthermore, DMOAP layers are not stable under biological conditions. Structure–property relationship of amphiphilic molecules on smooth substrates was explored through a multi-step approach and its influence on biological activity.![]()
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Affiliation(s)
- Leonardo Francisco Gonçalves Dias
- Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM Bremen Germany .,São Paulo State University - UNESP, School of Science, Department of Physics Brazil
| | - Stephani Stamboroski
- Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM Bremen Germany .,Institute for Biophysics, University of Bremen Otto-Hahn-Allee 1 28359 Bremen Germany
| | - Michael Noeske
- Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM Bremen Germany
| | - Dirk Salz
- Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM Bremen Germany
| | - Klaus Rischka
- Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM Bremen Germany
| | - Renata Pereira
- Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM Bremen Germany .,Department of Restorative Dentistry, Operative Dentistry Division, Piracicaba Dental School, University of Campinas (UNICAMP) Avenida Limeira 901 Zip code 13414-903 Piracicaba, SP Brazil
| | - Maria do Carmo Mainardi
- Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM Bremen Germany .,School of Dentistry, Herminio Ometto University Center Araras SP Brazil
| | - Marina Honorato Cardoso
- Department of Biochemistry, Bauru School of Dentistry, Sao Paulo University - USP Bauru SP Brazil
| | - Martin Wiesing
- Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM Bremen Germany
| | - Erika Soares Bronze-Uhle
- Department of Operative Dentistry, Endodontics and Dental Materials, Bauru School of Dentistry, Sao Paulo University - USP Bauru SP Brazil
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Antimicrobial and Antivirulence Impacts of Phenolics on Salmonella Enterica Serovar Typhimurium. Antibiotics (Basel) 2020; 9:antibiotics9100668. [PMID: 33022945 PMCID: PMC7600263 DOI: 10.3390/antibiotics9100668] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 09/28/2020] [Accepted: 10/02/2020] [Indexed: 01/16/2023] Open
Abstract
Salmonella enterica serovar Typhimurium (ST) remains a major infectious agent in the USA, with an increasing antibiotic resistance pattern, which requires the development of novel antimicrobials capable of controlling ST. Polyphenolic compounds found in plant extracts are strong candidates as alternative antimicrobials, particularly phenolic acids such as gallic acid (GA), protocatechuic acid (PA) and vanillic acid (VA). This study evaluates the effectiveness of these compounds in inhibiting ST growth while determining changes to the outer membrane through fluorescent dye uptake and scanning electron microscopy (SEM), in addition to measuring alterations to virulence genes with qRT-PCR. Results showed antimicrobial potential for all compounds, significantly inhibiting the detectable growth of ST. Fluorescent spectrophotometry and microscopy detected an increase in relative fluorescent intensity (RFI) and red-colored bacteria over time, suggesting membrane permeabilization. SEM revealed severe morphological defects at the polar ends of bacteria treated with GA and PA, while VA-treated bacteria were found to be mid-division. Relative gene expression showed significant downregulation in master regulator hilA and invH after GA and PA treatments, while fliC was upregulated in VA. Results suggest that GA, PA and VA have antimicrobial potential that warrants further research into their mechanism of action and the interactions that lead to ST death.
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Superior Antioxidant Capacity of Berberis iliensis-HPLC-Q-TOF-MS Based Phytochemical Studies and Spectrophotometric Determinations. Antioxidants (Basel) 2020; 9:antiox9060504. [PMID: 32526940 PMCID: PMC7346193 DOI: 10.3390/antiox9060504] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 05/26/2020] [Accepted: 05/31/2020] [Indexed: 01/07/2023] Open
Abstract
The aim of the present study was to determine the composition, antiradical and antimicrobial activity of fruits, leaves and roots of an underestimated species of barberry-Berberis iliensis-growing in Kazakhstan. Particular attention was paid to the determination of the composition of its extracts by high-performance liquid chromatography coupled with mass spectrometry (HPLC-ESI-Q-TOF-MS) analysis. As a result of the chromatographic and spectrometric study 33 secondary metabolites from the groups of phenolic acids and their esters, flavonoids, alkaloids and organic acids were identified and 15 of them-quantified. The isomers of caffeoyl-glucaric acid, caffeic acid derivatives, isoquercetin, berberine and jatrorrhizine were the most abundant components of the tested extracts. The antiradical activity tests were performed by 2,2-diphenyl-1-picrylhydrazyl (DPPH) and Folin-Ciocalteu assays on four types of extracts (water, ethanol, ethanol-water 7:3 v/v, ethanol-water 1:1 v/v) from the three organs of the plant. The highest antiradical potential (IC50 = 80 ± 6.36 µg/mL) and phenolic content (440 ± 17.1 mg gallic acid equivalents/L) was calculated for ethanol- water (1:1 v/v) extracts from the leaves and could be influenced by the abundant presence of simple phenolic acids, flavonoids and glucaric acid esters. Among reference microorganisms, M. luteus, S. epidermidis, some S. aureus and B. cereus belonging to Gram-positive bacteria and yeasts from Candida species were the most sensitive to roots extract that was found the most active among the studied samples. The results of the study classify Berberis iliensis as a strong antioxidant agent and as a plant with an antimicrobial potential.
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