Biological activity of new flavonoids and phenolic compounds from Cirsium italicum (Savi) DC.
Yükleniyor...
Dosyalar
Tarih
2021
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Taylor & Francis Ltd
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
Cirsium italicum (Savi) DC. was researched for its phytochemicals for the first time. Two new biflavonoids, 5,5'',7''-trihydroxy-3,7-dimethoxy-4'-4'''-O-biflavone (3), (8,3',4',5'-tetrahydroxy-7-O-alpha-glucosyl isoflavone)-6-8''-(4'''-hydroxy-7''-O-alpha-glucosyl isoflavone) biflavone (7), a new isoflavone, 6-2'-dihydroxy-5-methoxy isoflavonone-4'-O-alpha-D-glucopyranoside (5) and a new phenolic compound, ethyl-(2,3-dihydroxy-5,6-dimethoxy-4-acetyl) benzoate (4), together with three known compounds (1), (2) and (6) were isolated from Cirsium italicum. Their structures were elucidated by extensive 1D and 2D NMR, and MS data analyses. All compounds isolated from C. italicum exhibited antioxidant activity. However, the highest activity of the EtOAc extract is considered to be responsible for compounds (1), (2) and (3) being the main compounds. [GRAPHICS] .
Açıklama
Anahtar Kelimeler
Cirsium italicum, biflavonoids, isoflavones, phenolic compounds, antioxidant activity, Japonicum Var. Maackii, Antioxidant Activity, Glycosides
Kaynak
Natural Product Research
WoS Q Değeri
Q2
Scopus Q Değeri
Q2
Cilt
35
Sayı
10
