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Hispidulin and nepetin 4′-glucosides from Cirsium oligophyllum

1999; Elsevier BV; Volume: 51; Issue: 8 Linguagem: Inglês

10.1016/s0031-9422(99)00178-8

1873-3700

Tsukasa Iwashina, K. Kamenosono, Takashi Ueno,

Silymarin and Mushroom Poisoning

Abstract Two flavone glycosides, hispidulin 4′-O-β- d -glucopyranoside and nepetin 4′-O-β- d -glucopyranoside, were isolated from the leaves of Cirsium oligophyllum and identified on the basis of their 1H and 13C NMR, FAB-MS, UV spectra and characterization of their hydrolysates; hispidulin 7,4′-glycoside, vicenin-2, hispidulin and nepetin were also isolated.