PARISI V.

Plant secondary metabolites have great applications in the nutritional and cosmetic aspects of human health. Terpenes, and in particular bioactive diterpenoids, represent an important group of compounds found in Salvia species. Their production in plants is often limited, and chemical synthesis is often not economically feasible....

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: The characterization of local improved varieties as well as the reduction of synthetic chemical fertilizers are sustainable approaches in the vision of a new precision Farming. Aim of our study was to improve the geographical characterization of local ecotypes and to identify peculiar features of new crops in terms of bioactive compounds. NMR...

Sixteen diterpenes (1-16), along with 10 previously described compounds, including four flavonoids and six diterpenes, were isolated from the aerial parts of Psiadia punctulata growing in Saudi Arabia. The diterpene structures were elucidated using NMR spectroscopy and mass spectrometry data. Furthermore, a DFT/NMR procedure was used to suggest...