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Antioxidant and antigenotoxic properties of compounds isolated from Marrubium deserti de Noé.
Limonoid orthoacetates and antiprotozoal compounds from the roots of Pseudocedrela kotschyi.
The dicholoromethane extract of Pseudocedrela kotschyi root and the two gedunin derivatives exhibited good in vitro activity against Leishmania donovani, Trypanosoma brucei rhodesiense, and Plasmodium falciparum.
Alnus peptides modify membrane porosity and induce the release of nitrogen-rich metabolites from nitrogen-fixing Frankia
In vitro and in vivo analyses showed that Ag5 induces drastic physiological changes in Frankia, including an increased permeability of vesicle membranes, and this work uncovers a novel cellular function for this large and widespread defensin peptide family.
The determinants of the actinorhizal symbiosis.
The present review explores some recently published approaches aimed at identifying bacterial symbiotic determinants and reveals symbiosis-associated genes such as nif, hup, suf and shc to be spread around the genomes.
Antioxidant xanthones from Garcinia vieillardii.
Two new xanthones were isolated from the stem bark of Garcinia vieillardii, as were four known compounds, and each isolate was tested for its antioxidant properties based on a scavenging activity study using the stable 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical.
Antioxidant C-glucosylxanthones from the leaves of Arrabidaea patellifera.
Chemical investigation of the methanol extract from the leaves of Arrabidaea patellifera, a Bignoniaceae from Panama, afforded mangiferin, isomangiferIn, and six new derivatives that had antioxidant and radical-scavenging activities and were relatively active in vitro against Plasmodium falciparum.