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RESPONSES OF TUNDRA PLANTS TO EXPERIMENTAL WARMING:META‐ANALYSIS OF THE INTERNATIONAL TUNDRA EXPERIMENT
TLDR
Results indicate that key phenological events such as leaf bud burst and flowering occurred earlier in warmed plots throughout the study period; however, there was little impact on growth cessation at the end of the season.
Can phylogeny predict chemical diversity and potential medicinal activity of plants? A case study of amaryllidaceae
TLDR
Alkaloid diversity and in vitro inhibition of acetylcholinesterase and binding to the serotonin reuptake transporter (SERT) are significantly correlated with phylogeny, which has implications for the use of phylogenies to interpret chemical evolution and biosynthetic pathways, to select candidate taxa for lead discovery, and to make recommendations for policies regarding traditional use and conservation priorities.
HPLC method validated for the simultaneous analysis of cichoric acid and alkamides in Echinacea purpurea plants and products.
TLDR
Analysis of Danish-grown plant material shows that it is possible to raise plants of a very high chemical quality in Denmark, and a selection of international herbal products available on the Danish market show surprisingly variable quality.
Antiplasmodial compounds from Cochlospermum tinctorium.
TLDR
This is the first example of a 1-hydroxyalkan-3-one obtained from plant material after gentle workup and the antiplasmodial activities were determined.
Synergistic antioxidative effects of alkamides, caffeic acid derivatives, and polysaccharide fractions from Echinacea purpurea on in vitro oxidation of human low-density lipoproteins.
TLDR
Synergistic antioxidant effects of Echinacea constituents were found when cichoric acid or echinacoside were combined with a natural mixture of alkamides and/or a water extract containing the high molecular weight compounds, contributing to the hypothesis that the physiologically beneficial effects ofEchinacea are exerted by the multitude of constituents present in the preparations.
Novel inhibitory activity of the Staphylococcus aureus NorA efflux pump by a kaempferol rhamnoside isolated from Persea lingue Nees.
TLDR
The results show that compound 1 acts through inhibition of the NorA efflux pump, which renders a wild-type more susceptible and a NorA overexpresser S. aureus susceptible.
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