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In this study, we report the isolation and identification of several compounds from Plantago sempervirens Crantz, collected in the protected area of Majella National Park. We examined the polar fraction, in particular the iridoidic one. Aucubin, caryoptoside, plantarenaloside and gardoside were isolated and identified. For the first time, in this species, 8-epiloganic acid was recognised. Also, verbascoside, a phenylethanoid glycoside, was recognised in this plant.

In this study, we examined the composition regarding secondary metabolites of P. mugo Turra ssp. mugo growing in the protected area of Majella National Park, which is the southernmost station of the habitat of this species. Both the nonpolar and polar fractions were considered. In particular, the essential-oil composition showed a high variety of compounds, and 109 compounds were detected, and 101 were identified, among which abietane-type compounds have a taxonomic relevance. Abietanes were also isolated from the polar fraction, together with an acylated flavonol and a remarkably high amount of shikimic acid.

In this study, we report the isolation and identification of several compounds present in the polar fraction of Stachys germanica L. subsp. salviifolia (Ten.) Gams, collected in the protected area of Majella National Park. In particular, we have isolated and identified harpagide, 7 -β-hydroxy-harpagide, ajugol, 5-allosyloxy-aucubin, verbascoside and, for the first time in this genus, arbutin.