Antimicrobial activity of green silver nanoparticles from endophytic fungi isolated from (Ait) latex.

Endophytes, a potential source of bioactive secondary metabolites, were isolated from the widely used medicinal plant Ait. Approximately 675 segments from 15 plants and 15 latex samples were assessed for the presence of endophytic fungi. Finally, eight fungal species were isolated and identified based on their macro- and micro-morphology.

Antioxidant lipoxygenase inhibitors from the leaf extracts of Simmondsia chinensis.

Objective: To isolate and identify chemical constituents with antioxidant and lipoxygenase inhibitory effects of the ethanolic extract of Simmondsia chinensis (Jojoba) leaves.

Methods: The alcoholic extract was subjected to successive solvent fractionation. The antioxidant active fractions (chloroform, ethyl acetate and aqueous fractions) were subjected to a combination of different chromatographic techniques guided by the antioxidant assay with DPPH.