Palladium nanoparticles stabilized by novel choline-based ionic liquids in glycerol applied in hydrogenation reactions

•Palladium nanoparticles in glycerol stabilized by novel choline-based ionic liquids.•Characterization of palladium nanoparticles both in solid and liquid phase.•Palladium nanoparticles showing high catalytic activity in hydrogenation reactions.•Selective hydrogenations for non-conjugated alkynes.•Efficient reduction of carbonyl derivatives.