Phenolic profile, chromatic parameters and fluorescence of different woods used in Balkan cooperage

•Polyphenolic profile was shown to be an useful tool to identify the wood used in cooperage.•Specific flavonoids were suggested as indication of heartwood botanical origin.•Color of analyzed wood samples was affected by the botanical origin of wood samples.•Shape and maxima positions of fluorescence spectra varied more among wood samples than among corresponding wood extracts.•Principal component analysis of emission spectra discriminated black locust and cherry from the other wood samples.