Journal of ethnopharmacology, 43(1), 19-30 (1994-06-01)
A study of the hepatotoxic pyrrolizidine alkaloids (PAs) contained in Packera candidissima (Greene) Weber & Löve (Senecio candidissimus Greene), a Mexican medicinal plant used for the treatment of kidney ailments and noted for its antiseptic properties, is reported. Analysis by
Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials, 34(5), 724-726 (2011-10-01)
To study alkaloids of Senecio scandens growing in Guangdong. The rapid resolution liquid chromatography-electrospray ionization mass spectrometry (RRLC-ESI-MS/MS) was used to analyse alkaloids of Senecio scandens growing in Guangdong, and senkirkine was isolated and purified by silica gel column chromatography.
lambda(Mo K alpha) = 0.71069 A, T = 298 K. Anonamine (I) (12,21-dihydroxy-4-methyl-4,8-secosenecionan-8,11,16-trione): C19H27NO7, Mr = 381.2, monoclinic, C2, a = 24.247 (7), b = 8.766 (2), c = 9.072 (1) A, beta = 99.21 (2) degrees, U = 1903.3
Two toxic pyrrolizidine alkaloids were isolated from Senecio leucanthemifolius and six from Senecio rodriguezii. Their structures were determined by spectroscopic methods.
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