Results 81 to 90 of about 14,260 (267)

Caracterização polínica do mel de Trás-os-Montes e Alto Douro [PDF]

open access: yes, 2005
The aim of this study was to characterise the pollinic spectra of honeys from the "Trás-os-Montes e Alto Douro" (Portugal). A botanical study of the area was carried out and a reference collection of pollen grains was made.
Pajuelo, António   +4 more
core  

Gallic Acid‐Responsive microRNAs Reprogram Lignification During Drought Acclimation Process in Spearmint

open access: yesPlant Biotechnology Journal, EarlyView.
ABSTRACT Mentha spicata L. (spearmint) is a high‐value aromatic and medicinal species, whose productivity is strongly affected by water deficit. Nevertheless, the molecular mechanisms underlying drought acclimation in this mint remain largely unexplored. Thus, here, we investigated the microRNA‐mediated regulatory processes triggered in M.
Alessia D'Agostino   +7 more
wiley   +1 more source

Assessment of antioxidant activity of natural extracts

open access: yesItalian Journal of Animal Science, 2010
The aim of this study was investigate and compare the antioxidant activity of extracts from Labiatae and Oleaceae cell cultures and a natural Verbenaceae extract on pig whole blood.
Michel Prost   +4 more
doaj   +1 more source

About the nomenclatural types of some linnean species of Teucrium, Phlomis and Thymus (Labiatae) [PDF]

open access: yes, 2011
Se discute la tipificación y se propone modificar los tipos nomenclaturales aceptados en la actualidad de las especies linneanas Teucrium pseudochamaepitys, Teucrium polium, Phlomis lychnitis y Phlomis italica.
López, Ginés, Morales, Ramón
core   +1 more source

Antioxidant activities of polyphenols extracted from Perilla frutescens varieties [PDF]

open access: yes, 2008
Various cultivars of Perilla frutescens (L.) (var. crispa and var. frutescens) Britt. were harvested in China and Japan. They were easily differentiated on the basis of their foliage color, that varied from red to green.
Bin Li,   +3 more
core   +2 more sources

Response of Melissa officinalis subsp. officinalis seedlings to Fe3O4‐NPs under in vitro conditions: physiological, biochemical and molecular analyses

open access: yesPlant Biology, EarlyView.
Iron oxide nanoparticles influence the growth, antioxidant capacity, and gene activity of Melissa officinalis subsp. officinalis plants in vitro, revealing their potential as modulators of secondary metabolism. Abstract Application of iron oxide nanoparticles (NP) (Fe3O4‐NPs) in plant biotechnology presents new opportunities for enhancing metabolic ...
E. Bektaş   +5 more
wiley   +1 more source

Fruitgrowers towards a new approach to enhance biodiversity in organic orchards [PDF]

open access: yes, 2008
In the frame of the project “Arbeitsnetz zur Weiterentwicklung der Anbauverfahren des ökologischen Obstbaus” (BOEL-project Nr. 03OE178) a group of fruitgrowers and advicers started to discuss new measures and new concepts to enhance biodiversity in ...
Kienzle, J.
core  

Lectin prospecting in Colombian Labiatae. A systematic-ecological approach. - II [PDF]

open access: yes, 1999
This is the second study of lectin and mucilage detection in Labiatae nutlets from Colombia. It was carried out on 31 taxa belonging to 7 genera in which no previous studies have been carried out in this field.
Aretz, R.   +4 more
core   +1 more source

Organ‐specific terpenoid responses in Tanacetum vulgare are chemotype‐dependent

open access: yesPlant Biology, EarlyView.
Common tansy varieties defend differently: some boost root chemicals against soil pests, while others release stronger leaf scents against aphids. Abstract Specialized metabolites such as terpenoids are known to mediate plant defence mechanisms. However, how terpenoid diversity governs inducible chemistry across organs remains poorly understood.
H. Newrzella   +12 more
wiley   +1 more source

Estudio de las núculas de "Satureja" (Lamiaceae) en el suroeste de España [PDF]

open access: yes, 2006
Se ha efectuado un estudio micromorfológico y anatómico de núculas de Satureja en el suroeste de España, tanto al microscopio óptico como al microscopio electrónico de barrido. La forma de la núcula, tamaño, indumento e hilo han resultado caracteres de
Juan Rodríguez, Rocío   +2 more
core  

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