Results 21 to 30 of about 25,374 (231)

Sesquiterpene Lactones from Achillea chrysocoma and Achillea coarctata

open access: yesZeitschrift für Naturforschung C, 2001
Abstract The aerial parts of A. chrysocoma and A. coarctata afforded 22 and 9 sesquiterpene lactones, respectively. All the compounds described are new for the studied species. The lactones 5, 6 and 12 are new for the genus Achillea.
M, Todorova, E, Tsankova
openaire   +2 more sources

Plant communities of field boundaries in Finnish farmland [PDF]

open access: yes, 2002
To determine the importance of field boundary habitats for farmland biodiversity, we surveyed a total of 193 boundaries from four climatically and agriculturally dissimilar regions in Finland.
Helenius, Juha   +2 more
core   +2 more sources

Essential oil combination of three species of Achillea growing wild in East Azarbayjan- Iran [PDF]

open access: yesAdvanced Herbal Medicine, 2015
Background and aims: The Achillea genus has a wide distributional range, and the differences in oil composition may be affected by different environmental factors such as plant genetic type, seasonality, and developmental stage.
Gholamreza Dehghan, Faranak Elmi
doaj  

Possibilities of differentiation of individual Achillea species on the basis of redox potential measurements

open access: yesHorticultural Science, 2003
The redox potential of flowers of Achillea plants was measured by means of a puncture method. Measurements were performed in 6 taxa (species and hybrids) in the stage of bud formation, full flower and flower shedding in 2000 and 2001.
K. Petříková   +2 more
doaj   +1 more source

Secondary metabolites with ecologic and medicinal implications in Anthemis cretica subsp. petraea from Majella National Park [PDF]

open access: yes, 2016
Anthemis cretica subsp. petraea (Ten.) Greuter is a plant belonging to the Asteraceae family and endemic of central Italy. In this paper, the first analysisof the ethanolic fraction of samples collected in the Majella National Park is reported.
Alessandro Venditti   +7 more
core   +2 more sources

Weed flora and weed management of field peas in Finland [PDF]

open access: yes, 2005
The composition of the weed flora of dry pea (Pisum sativum L.) fields and cropping practices were investigated in southwestern Finland. Surveys were done in 2002–2003 in 119 conventionally cropped fields and 64 fields under organic cropping.
Hyvönen, Terho   +2 more
core   +2 more sources

N-alkylamide profiling of Achillea ptarmica and Achillea millefolium extracts by liquid and gas chromatography–mass spectrometry

open access: yesJournal of Pharmaceutical Analysis, 2017
Achillea millefolium and Achillea ptarmica are both plants belonging to the Asteracea family and are traditionally used for their medicinal properties.
Lieselotte Veryser   +5 more
doaj   +1 more source

Influence of Extraction Solvent on the Phenolic Profile and Bioactivity of Two Achillea Species

open access: yesMolecules, 2021
The phenolic composition, as well as the antioxidant and antimicrobial activities of two poorly investigated Achillea species, Achillea lingulata Waldst. and the endemic Achillea abrotanoides Vis., were studied.
Dominika Kaczorová   +5 more
doaj   +1 more source

Biology and Ecology of Melanoplus Borealis (Orthoptera: Acrididae) in Fairbanks, Alaska with Special Reference to Feeding Habits [PDF]

open access: yes, 2017
Overwintered Melanoplus borealis (subspecies, borealis Fieber) eggs hatched within 10-15 days in mid-June. The nymphs molted 5 times and became adults in about 45 days in nature.
Kaufmann, Tohko
core   +3 more sources

Microscopic research of medicinal plant raw material of Achillea ochroleuca Ehrh.

open access: yesAktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2019
Achillea millefolium L. is an official plant both in Ukraine and in other countries of Europe and Asia. Plants of the genus Achillea L. are diverse in component composition and contain a complex of biologically active compounds: essential oils ...
H. P. Smoilovska   +4 more
doaj   +1 more source

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