Unmodified commercial grade cornstarch (extra pure) from ACROS ORGANICS; the moisture content was in the range of 10–12%. Commercial flavonoid mimosa barks tannin (Acacia mearnsii, Mimosa OP) (Fig. 1) was provided from SILVATEAM (Italy). Commercial resol-type liquid UF resin (which is a particleboard binder resin), was supplied by EGGER (Rion des Landes). Maritime pine (Pinus pinaster) veneer was provided by sawmill Ets Labadie (Roquefort, France) Sd (moisture content around 8–10%).