Journal
FITOTERAPIA
Volume 156, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.fitote.2021.105088
Keywords
Nothofagus gunnii; Nothofagus cunninghamii; Flavonoids; Terpenoids; Stilbenes
Categories
Funding
- University of Tasmania
- ARC [FT200100049]
- Australian Research Council [FT200100049] Funding Source: Australian Research Council
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The first natural product isolation studies of Nothofagus gunnii and Nothofagus cunninghamii revealed that N. gunnii is a rich source of flavonoid, chalcone and stilbene compounds, while primarily hydroxyflavonoid compounds are found in N. cunninghamii. The isolated phytochemicals are consistent with the evolutionary relationships among Nothofagus species.
The first natural product isolation studies of Nothofagus gunnii (Hook.f.) Oerst and Nothofagus cunninghamii (Hook.f.) Oerst have been undertaken. A previously unreported stilbene derivative, pinosylvin monoacetate, was isolated from the leaves of N. gunnii, in addition to 14 known compounds; including the flavonoids galangin, pinobanksin, catechin and quercetin; sesquiterpenoids such as, ilicol and (+)-beta-costol acetate; 2,4-dihydroxy-6methoxychalcone and pinosylvin. Four known flavonoid natural products, catechin, quercetin, ayanin, and avicularin were isolated from the leaves of N. cunninghamii. This study reveals that N. gunnii is a rich source of flavonoid, chalcone and stilbene compounds, while primarily hydroxyflavonoid compounds are found in N. cunninghamii. The isolated phytochemicals are consistent with the evolutionary relationships suggested to exist among Nothofagus species.
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