The bark of the common alder has long been used in tanning and dyeing.
Chemical constituents of Alnus glutinosa include hirsutanonol, oregonin, genkwanin,[REF] rhododendrin {3-(4-hydroxyphenyl)-l-methylpropyl-β-D-glucopyranoside} and glutinic acid (2,3-pentadienedioic acid) [REF].