Results 101 to 110 of about 49,362 (338)

Exploring Chemical Variability in the Essential Oil of Artemisia absinthium L. in Relation to Different Phenological Stages and Geographical Location

Chemistry &Biodiversity, EarlyView.
ABSTRACT The plant essential oils (EOs) play a fundamental role in the adaptation to different habitats and environmental conditions. To verify the influence of these factors on the EO of Artemisia absinthium L., we conducted a pharmacognostic study on this species, collected during both the vegetative (V) and flowering (F) stages, in two different ...
Paola Malaspina, Flavio Polito, Andrea Mainetti, Sana Khedhri, Vincenzo De Feo, Laura Cornara   +5 more
wiley   +1 more source

Xanthium strumarium - a potential cheap resource of plant substances for medicinal use [PDF]

, 2019
Xanthium strumarium L. (Asteraceae) is an annual herb which reproduces solely by seed. So far its centre of origin was considered Central or South America. Recent archeological research revealed that the burs of X.
Ionkova I., Kozuharova E., Spadaro V.
core   +1 more source

Chemical Composition and In Vitro Antibiofilm Action of Varronia curassavica Jacq. (Boraginaceae) Essential Oil: A Promising Natural Agent Against Bacterial Infections

Chemistry &Biodiversity, EarlyView.
ABSTRACT Antimicrobial resistance is an increasing threat to public health, with alarming estimates of mortality rates. In this context, the clinical properties of Varronia curassavica Jacq. are highlighted due to its biological and pharmacological activities.
José Thyálisson da Costa Silva, Gabriel Gonçalves Alencar, Nara Juliana Santos Araújo, Lariza Leisla Leandro Nascimento, Saulo Almeida Menezes, Dhenes Ferreira Antunes, Adrielle Rodrigues Costa, Murilo Felipe Felício, Cicero dos Santos Leandro, Luis Pereira de Morais, Marcos Aurélio Figueirêdo dos Santos, Severino Denicio Gonçalves de Sousa, Julimery Gonçalves Ferreira Macedo, João Pereira da Silva Junior, Ana Carolina Ferreira Araujo, Maísa Freire Cartaxo Pires de Sá, Jacqueline Cosmo Andrade‐Pinheiro, Henrique Douglas Melo Coutinho, José Weverton Almeida‐Bezerra   +18 more
wiley   +1 more source

Understanding the evolution of native pinewoods in Scotland will benefit their future management and conservation [PDF]

, 2010
Scots pine (Pinus sylvestris L.) is a foundation species in Scottish highland forests and a national icon. Due to heavy exploitation, the current native pinewood coverage represents a small fraction of the postglacial maximum.
Barton, Davis, FORREST, FORREST, G. R. Iason, Gonzalez-Martinez, J. E. Cottrell, Johnsen, M. J. Salmela, Magri, Naydenov, Neale, PERKS, Provan, R. A. Ennos, Robledo-Arnuncio, Robledo-Arnuncio, S. Cavers, Slatkin, Soranzo, Sork, W. Wachowiak, Yeaman   +22 more
core   +1 more source

Potential Herbicidal and Insecticidal (Beneficial) Properties of Nepalese Lemongrass Essential Oil

Chemistry &Biodiversity, EarlyView.
ABSTRACT Cymbopogon citratus (DC.) Stapf, commonly known as lemongrass, is a member of the Poaceae family and is native to tropical and subtropical regions, including South Asia. The species is renowned for its diverse applications in culinary arts, perfumery, and traditional medicinal practices.
Beáta Baranová, Barbora Kudláčková, Ram Prasad Baral, Lenka Svojanovská, Qaiser Javed, Giuseppe Amato, Lucia Caputo, Laura De Martino, Rosaria Francolino, Saroj Kumar Chaudhary, Hazem S. Elshafie, Achyut Adhikari, Vincenzo De Feo, Daniela Gruľová   +13 more
wiley   +1 more source

Efficacy of Essential Oil of Algrizea minor Sobral, Faria & Proença (Myrtaceae) in Combating Methicillin‐resistant Staphylococcus aureus: Antibacterial and Virulence Modulation Studies Conducted In Vitro and In Vivo

Chemistry &Biodiversity, EarlyView.
This study explored the antibacterial, antivirulence, and in vivo effects of Algrizea minor essential oil (EOAM), against MRSA isolates. Chemical analysis by GC‐MS has been performed. The oil exhibited synergistic effects when combined with amoxicillin and oxacillin, inhibiting biofilm formation and reducing S. aureus‐induced hemolysis.
Amanda Vieira de Barros, Bruno Oliveira de Veras, Henrique Nelson Pereira Costa Júnior, Raudiney Frankilin Vasconcelos Mendes, Patryck Érmerson Monteiro dos Santos, Jael Fernandes Tavares, Daniela Maria do Amaral Ferraz Navarro, Rafael Matos Ximenes, Patrícia Maria Guedes Paiva, Clovis Macedo Bezerra Filho, Josinaldo Alves da Silva, Márcia Vanusa da Silva, João Paulo Martins de Lima, Henrique Douglas Melo Coutinho, Maria Betânia Melo de Oliveira   +14 more
wiley   +1 more source

Synthesis of chiral 2-methyl-5,6,7,8-tetrahydroquinolines from naturally occurring monoterpenes [PDF]

, 2004
The synthesis is reported of chiral substituted 2-methylpyridines, in which the pyridine rings are annulated at the 5,6-positions to the chiral frameworks originating from (-)-β-pinene, (-)-isopinocampheol and (+)-camphor.
Chelucci, Giorgio Adolfo, Orrù, Gianmauro, Soccolini, Francesco   +2 more
core  

Characterization and Variability Analysis of Volatile Metabolites From Acer saccharum Leaves From Québec Region

Chemistry &Biodiversity, EarlyView.
ABSTRACT Volatile secondary metabolites in plants can serve as valuable biomarkers for the plant's health, stress response, and pest or disease detection. We have investigated the volatilome of Acer saccharum (sugar maple) leaves using two complementary extraction techniques: headspace‐solid phase micro‐extraction coupled with gas chromatography‐mass ...
Jean‐Christophe Séguin, Chelsea Mahannah, Normand Voyer   +2 more
wiley   +1 more source

Chemodiversity of Essential Oils From Eugenia uniflora L. Collected in Different Phytophysiognomies of the Coastal Region of Rio de Janeiro

Chemistry &Biodiversity, EarlyView.
Essential oils from Eugenia uniflora collected in different coastal phytophysiognomies of Rio de Janeiro showed notable chemodiversity. GC‐MS and GC‐FID analyses revealed nine chemotypes, mainly rich in curzerene and selina‐1,3,7(11)‐trien‐8‐one. ABSTRACT This study aimed to evaluate the yield, color, and chemical composition of Eugenia uniflora ...
Eduardo Barros Duarte Junior, Ygor Nunes Moreira, Camila da Silva Barbosa Pereira, Durval Reis Mariano Junior, Rosana Santos Cavalcante, Diego da Paixão Alves, Douglas Figueredo dos Reis Pinheiro, Kawany da Silva Burgiert, Igor Sampaio Fontes, Mariana Emerick Silva, Lidiane Barbosa Pedro, Andre Marques dos Santos, Pedro Corrêa Damasceno Junior, Marco Andre Alves de Souza   +13 more
wiley   +1 more source

The oxygen-independent metabolism of cyclic monoterpenes in Castellaniella defragrans 65Phen [PDF]

, 2014
BACKGROUND: The facultatively anaerobic betaproteobacterium Castellaniella defragrans 65Phen utilizes acyclic, monocyclic and bicyclic monoterpenes as sole carbon source under oxic as well as anoxic conditions.
Becher, D., Disch, E., Harder, J., Huettel, B., Markert, S., Petasch, J., Reinhardt, R., Schweder, T.   +7 more
core   +2 more sources