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Biological activity of extracts from Catalpa bignonioides Walt. (Bignoniaceae).
Results showed no antimicrobial or antitumoral effects, but prominent anti-inflammatory and antinociceptive actions of the extracts, may be a result of either of saponins, sterols or phenols, mainly found in the leaves and pods of the plants. Expand
Tecoma sambucifolia: anti-inflammatory and antinociceptive activities, and 'in vitro' toxicity of extracts of the 'huarumo' of peruvian incas.
The aqueous pod extract appeared to have the best pharmaco-toxicological profile, since it provided a significant reduction of both pain and inflammation together with the lowest cytotoxicity. Expand
Evaluation of the toxicity of Uncaria tomentosa by bioassays in vitro.
Testing in vitro for the presence of toxic compounds in Chinese hamster ovary cells and bacterial cells could be a valuable tool for evaluating toxicity of medicinal plants. Expand
Apoptotic and free radical scavenging properties of the methanolic extract of Gentianella alborosea.
Gentianella alborosea, a Peruvian species used in folk medicine for the treatment of a variety of health disorders, is tested for free radical scavenging and induction of apoptosis on a human uterus tumor cell line by its methanolic extract. Expand
The Sedentary Process and the Evolution of Energy Consumption in Eight Native American Dwellings: Analyzing Sustainability in Traditional Architecture
The results obtained suggest that the efficiency of the dwellings decreased as this process went forward, but this pattern changed in its last step, when agriculture appeared and permanent settlements started to be built. Expand
Nueva asociación y alianza de zarzales de las Islas Azores (Portugal). A new association and alliance of brambles from the Azores islands (Portugal)
A new association and alliance of brambles from the Azores islands (Portugal).Palabras clave. Fitosociología, Azores, Rubus. Key words. Phytosociology, Azores, Rubus.
[A phytosociological interpretation of vegetation from sandy hills of the Peruvian desert].
A phytosociological view of sandy environments of the Peruvian coastal desert is presented and it is deduced that an increase in Andean and European ruderal species is linked to an intensive livestock activity. Expand
Taraxacum decastroi and T. lacianense (Asteraceae), Two New Species from the Iberian Peninsula
Two new species of Taraxacum are described and illustrated. Taraxacum decastroi A. Galán & Vicente Orell. was found in the Spanish Pyrenees, while T. lacianense A. Galán & Vicente Orell., wasExpand