Bioactive Constituents of Juniperus turbinata Guss. from La Maddalena Archipelago

Sergio Rosselli, Maurizio Bruno, Alessandro Venditti, Cinzia Sanna, Luigi Ornano, Alessandro Venditti, Filippo Maggi, Armandodoriano Bianco, Luana Quassinti, Massimo Bramucci, Giulio Lupidi, Mauro Ballero, Armandodoriano Bianco

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23 Citazioni (Scopus)


A comprehensive phytochemical study of Juniperus turbinata (Cupressaceae) collected from La Maddalena Archipelago (Sardinia, Italy) is reported. Both the essential oil and the ethanolic extract obtained from the aerial parts were analyzed. The essential oil appears to belong to a new chemotype compared to other Mediterranean juniper accessions, as it was favored by geographic isolation of the isles. It showed a low content of monoterpene hydrocarbons and -terpineol, ent-manoyl oxide, 1,10-di-epi-cubenol as the major constituents. The ethanolic fraction contained mainly diterpenoids. Among these, 15-formyloxyimbricatolic acid (7) is a new natural product since it has hitherto been obtained only by synthetic route. The phenolic fraction contained biflavonoids: cupressuflavone (9), followed by minor amounts of amentoflavone (10) and hinokiflavone (11). The essential oil and six purified compounds (1 - 4, 8 and 9) were assessed for biological activities, namely antioxidant (assessed by DPPH<bold></bold>, ABTS(<bold></bold>+) and FRAP methods) and cytotoxic effects towards selected human tumor cell lines (MDA-MB 231, A375 and HCT116 cells). Compound 3 exhibited higher radical scavenging activity against ABTS(<bold></bold>+) radical than the reference Trolox. Noteworthy, compound 8 showed powerful effects towards tumor cell lines, with IC50 values in the range of 0.060 - 0.201 m, which make it a promising anticancer drug candidate.
Lingua originaleEnglish
pagine (da-a)1-15
Numero di pagine15
Stato di pubblicazionePublished - 2018

All Science Journal Classification (ASJC) codes

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  • ???subjectarea.asjc.1600.1600???
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