New goals for industry and science have led to increased awareness of food safety healthier living in the modern era. Here, one challenges quality assurance is presence pathogenic microorganisms. As planktonic cells can form biofilms go into a sessile state, microorganisms are now more resistant broad-spectrum antibiotics. Due their proven antibacterial properties, essential oils represent potential option prevent spoilage search effective natural preservatives. In this study, chemical...

The aim of this study was to assess the chemical composition, antioxidant, antimicrobial and antibiofilm activity Coriandrum sativum essential oil. Changes in biofilm profile Stenotropomonas maltophilia Bacillus subtilis were studied using MALDI-TOF MS Biotyper on glass wooden surfaces. molecular differences biofilms different days observed as well. major volatile compounds coriander oil present β-linalool 66.07%. Coriander radical scavenging 51.05% inhibition. expressed strongest...

Thymus vulgaris essential oil has potential good biological activity. The aim of the research was to evaluate activity T. from Slovak company. main components were thymol (48.1%), p-cymene (11.7%), 1,8-cineole (6.7), γ-terpinene (6.1%), and carvacrol (5.5%). antioxidant 85.2 ± 0.2%, which corresponds 479.34 1.1 TEAC. antimicrobial moderate or very strong with inhibition zones 9.89 22.44 mm. lowest values MIC determined against B. subtilis, E. faecalis, S. aureus. In situ antifungal analysis...

The essential oil of Melaleuca alternifolia, commonly known as tea tree oil, has many beneficial properties due to its bioactive compounds. aim this research was characterize the (TTEO) from Slovakia and biological properties, which are specific chemical composition oil. Gas chromatography/mass spectroscopy revealed that terpinen-4-ol dominant with a content 40.3%. γ-Terpinene, 1,8-cineole, p-cymene were identified in contents 11.7%, 7.0%, 6.2%, respectively. Antioxidant activity determined...

Antimicrobial in vitro and situ efficacies of Cymbopogon citratus essential oil (lemongrass, LGEO) against 17 spoilage microorganisms (bacteria, yeasts fungi) were evaluated. Additionally, its chemical composition, antioxidant antibiofilm activities investigated. The LGEO exhibited a strong activity (84.0 ± 0.1%), main constituents citral (61.5%), geraniol (6.6%) 1,8-cineole (6.4%). An antimicrobial evaluation revealed the lowest inhibition zone (1.00 0.00 mm) Pseudomonas fluorescens,...

Eucalyptus globulus essential oil (EGEO) is considered as a potential source of bioactive compounds with significant biological activity. The aim this study was to analyze the chemical composition EGEO, in vitro and situ antimicrobial activity, antibiofilm antioxidant insecticidal identified using gas chromatography (GC) chromatography/mass spectrometry (GC/MS). main components EGEO were 1,8-cineole (63.1%), p-cimene (7.7%), a-pinene (7.3%), a-limonene (6.9%). Up 99.2% monoterpenes present....

Salvia sclarea essential oil (SSEO) has a long tradition in the food, cosmetic, and perfume industries. The present study aimed to analyze chemical composition of SSEO, its antioxidant activity, antimicrobial activity vitro situ, antibiofilm, insecticidal activity. Besides that, this study, we have evaluated SSEO constituent (E)-caryophyllene standard antibiotic meropenem. Identification volatile constituents was performed by using gas chromatography (GC) chromatography/mass spectrometry...

The aim of this study was to test the antimicrobial activity propolis, bee pollen loads and beeswax samples collected in year 2009 from two locations Slovakia pathogenic bacteria, microscopic fungi yeasts. effect product were tested using agar well diffusion method. For extraction, 99.9% 70% methanol (aqueous, v/v) 96% ethanol used. Five different strains i.e. Listeria monocytogenes ccM 4699, Pseudomonas aeruginosa 1960; Staphylococcus aureus 3953; Salmonella enterica 4420, Escherichia coli...

The series of fifteen synthesized 4-hydroxycoumarin derivatives was subjected to antioxidant activity evaluation in vitro, through total capacity, 1,1-diphenyl-2-picryl-hydrazyl (DPPH), hydroxyl radical, lipid peroxide scavenging and chelating activity. highest detected during the radicals scavenging, with 2b, 6b, 2c, 4c noticed as most active. further quantified by quantitative structure-activity relationships (QSAR) studies. For this purpose, structures were optimized using Paramethric...

The aim of this study was to characterize extracts from the leaves Ginkgo biloba L. selected Slovakian localities in terms content bioactive constituents, antioxidants and their antimicrobial properties. results indicated that sample-specific, specificity statistically significant. locality Košice had best activity determined by free radical scavenging (DPPH) (1.545 mg Trolox equivalent antioxidant capacity (TEAC)/g fresh matter (FM)) as well molybdenum-reducing power (35.485 TEAC/g FM)...

The main aim of the study was to investigate chemical composition, antioxidant, antimicrobial, and antibiofilm activity

Abstract This study was designed to investigate chemical and antioxidant properties, as well the antimicrobial antibiofilm behaviour of Cinnamomum cassia essential oil (CCEO). MALDI-TOF MS Biotyper mass spectrometry applied evaluate biofilms Stenotrophonomonas maltophilia Bacillus subtilis , while ability CCEO assessed on wooden glass surfaces. The activity by disc diffusion method, microdilution vapour phase for two biofilm-producing bacteria three Penicillium spp. were used. Antimicrobial...

The chemical composition, antioxidant activity, and antimicrobial properties of three commercially available essential oils: rosemary (REO), lavender (LEO), mint (MEO), were determined in the current study. Our data revealed that major components REO, MEO, LEO 1,8-cineole (40.4%), menthol (40.1%), linalool acetate (35.0%), respectively. highest DPPH radical-scavenging activity was identified MEO (36.85 ± 0.49%) among investigated EOs. Regarding activities, we found had strongest inhibitory...

The aim of this study was to analyze the chemical composition and biological antibiofilm activity essential oil (EO) Thymus serpyllum with use a MALDI-TOF MS Biotyper. main compounds EO were thymol, 18.8%; carvacrol, 17.4%; o-cymene, 15.4%; geraniol, 10.7%. It found that free-radical scavenging high. highest antimicrobial observed against Pseudomonas aeruginosa, Salmonella enteritidis, biofilm-forming bacteria. changes in biofilm structure after T. application confirmed inhibitory action...

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This study was designed to examine the chemical composition of essential oil and in vitro antimicrobial activities methanol extract Teucrium montanum . The inhibitory effects extracts T. were tested against 13 bacterial three fungal species by using disc‐diffusion method. GC/MS analyses revealed that contains mainly δ‐cadinene (17.19%), β‐selinene (8.16%) α‐calacorene (4.97%), 1,6‐dimethyl‐4‐(1‐methylethyl)‐naphthalene (4.91%), caryophyllene (4.35%), copaene (4.23%), torreyol (3.91%),...

Abstract Phytopathogenic fungi have been responsible for considerable economic losses in vineyards, and therefore, more attention should be paid to the development implementation of preventative treatment that is environmentally friendly. The aim this study was evaluate antifungal activity ten essential oils (EOs) (viz. Lavandula angustifolia Mill., Carum carvi L., Pinus mugo var. pumilio , Mentha piperita Foeniculum vulgare sylvestris Satureja hortensis Origanum Pimpinella anisum L....

The essential oil of Syzygium (S.) aromaticum (CEO) is known for its good biological activity. aim the research was to evaluate in vitro and situ antimicrobial antibiofilm activity produced Slovakia. main components CEO were eugenol 82.4% (E)-caryophyllene 14.0%. either weak or very strong with inhibition zones ranging from 4.67 15.78 mm gram-positive gram-negative bacteria 8.22 18.56 yeasts fungi. Among tested fungi, lowest values MIC determined Staphylococcus aureus Penicillium (P.)...

The aim of this study was to evaluate the antioxidant, antibiofilm, antimicrobial (in situ and in vitro), insecticidal, antiproliferative activity Cupressus sempervirens essential oil (CSEO) obtained from plant leaf. identification constituents contained CSEO also intended by using GC GC/MS analysis. chemical composition revealed that sample dominated monoterpene hydrocarbons α-pinene, δ-3-carene. Free radical scavenging ability, performed DPPH ABTS assays, evaluated as strong. Higher...

The essential oil of Pelargonium graveolens (PGEO) is identified in the literature as a rich source bioactive compounds with high level biological activity. This study aimed to examine chemical profile PGEO well its antioxidant, antibacterial, antibiofilm, and insecticidal properties. Its composition was analyzed using gas chromatography–mass spectrometry (GC-MS), achieving comprehensive identification 99.2% volatile compounds. predominant were β-citronellol (29.7%) geraniol (14.6%). PGEO’s...