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picea asperata/antibakteriálne
Odkaz sa uloží do schránky
Strana 1 od 16 výsledky
Epidihydropinidine, the main piperidine alkaloid compound of Norway spruce (Picea abies) shows promising antibacterial and anti-Candida activity.
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This study reports for the first time promising antibacterial and antifungal effects of epidihydropinidine, the major piperidine alkaloid in the needles and bark of Norway spruce, Picea abies (L.) Karsten. Epidihydropinidine was growth inhibitory against all bacterial and fungal strains used in our
1,6-Dehydropinidine Is an Abundant Compound in Picea abies (Pinaceae) Sprouts and 1,6-Dehydropinidine Fraction Shows Antibacterial Activity against Streptococcus equi Subsp. equi
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Knowledge about the defensive chemistry of coniferous trees has increased in recent years regarding a number of alkaloid compounds; in addition to phenolics and terpenes. Here, we show that Norway spruce (Picea abies (L.) H. Karst.), an important boreal zone tree species; accumulates
Antibacterial and Antioxidant Potential of Silver Nanoparticles Biosynthesized Using the Spruce Bark Extract.
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Biosynthesized silver nanoparticles (AgNPs) are widely used in Pharmacy and Medicine. In particular, AgNPs synthesized and mediated by plant extracts have shown topossess several biological activities. In the present study, AgNPs were synthesized using Picea abies L. stem bark extract as
Antibacterial effects of home-made resin salve from Norway spruce (Picea abies).
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Resin salve made from Norway spruce (Picea abies) is traditionally used in folk medicine to heal skin ulcers and infected wounds. Its antimicrobial properties were studied against certain human bacteria important in infected skin wounds. The sensitivity of the resin against Gram-positive and
Antibacterial and antifungal activity of phytosterols and methyl dehydroabietate of Norway spruce bark extracts.
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The current study focuses on the analysis of in vitro biological activity of extract from bark of Norway spruce (Picea Abies), which can find potential application in food and cosmetic industry and pharmacology. Milled bark was subjected to Soxhlet extraction and supercritical fluid extraction to
[On the bactericidal properties of heat-sterilized spruce forest soil].
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Study of silver nanoparticles synthesized by acidophilic strain of Actinobacteria isolated from the of Picea sitchensis forest soil.
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OBJECTIVE
In the present work the acidophilic actinobacteria strain was used as a novel reducing agent for the cheap, green and single-step synthesis of nanostructure silver particles. Structural, morphological and optical properties of the synthesized nanoparticles have been characterized by
Composition, antimicrobial and antioxidant activities of seven essential oils from the North American boreal forest.
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Essential oils (EOs) were steam-extracted from the needles and twigs of balsam fir, black spruce, white spruce, tamarack, jack pine and eastern white cedar that remained after logging in eastern Canada. These EOs, similarly to that from Labrador tea and other commercial EOs from Chinese cinnamon,
Antimicrobial properties of natural coniferous rosin in the European Pharmacopoeia challenge test.
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Rosins (resins) are natural products of the coniferous trees. Purified rosin from the trunk of Norway spruce (Picea abies) is antibacterial against the gram-positive bacteria, but not against the gram-negative bacteria in agar plate diffusion test. In this study, we examined the antimicrobial
Cytostatic effects of plant essential oils on human skin and lung cells.
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Essential oils are volatile compounds extracted from various plants by distillation, hydrodiffusion or compression. In recent years, the use of essential oils has gained popularity. Many pharmaceutical, cosmetic, sanitary, food industry and agriculture studies have revealed that essential oils exert
In Vitro Dermo-Cosmetic Evaluation of Bark Extracts from Common Temperate Trees.
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Wood residues produced from forestry activities represent an interesting source of biologically active, high value-added secondary metabolites. In this study, 30 extracts from 10 barks of deciduous and coniferous tree species were investigated for their potential dermo-cosmetic use. The extracts
Purification, characterization, and molecular gene cloning of an antifungal protein from Ginkgo biloba seeds.
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A novel basic protein with antifungal activity was isolated from the seeds of Ginkgo biloba and purified to homogeneity. The protein inhibited the growth of some fungi (Fusarium oxysporum, Trichoderma reesei, and Candida albicans) but did not exhibit antibacterial action against Escherichia coli.
Ginkbilobin, a novel antifungal protein from Ginkgo biloba seeds with sequence similarity to embryo-abundant protein.
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A novel single-chained antifungal protein with a molecular weight of 13 kDa displaying an N-terminal sequence with marked similarity to embryo-abundant protein from the white spruce was isolated from the seeds of Ginkgo biloba using ion exchange chromatography on DEAE-cellulose, affinity
Bio-Guided Isolation of Methanol-Soluble Metabolites of Common Spruce (Picea abies) Bark by-Products and Investigation of Their Dermo-Cosmetic Properties.
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Common spruce (Picea abies L.) is a fast-growing coniferous tree, widely used in several countries for the production of sawn wood, timber and pulp. During this industrial exploitation, large quantities of barks are generated as waste materials. The aim of this study was the bio-guided investigation
Effects of several environmental factors on the anti-Listeria monocytogenes activity of an essential oil of Picea excelsa.
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The effects of several environmental factors on the anti-Listeria monocytogenes activity of an essential oil of Picea excelsa were explored by determination of active concentrations using two methods and with survival curves. In trial conditions, the serovars 1/2c and 4b behaved similarly. A dose of
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