A novel oligosaccharide ester from Syringa pubescens
Titel:
A novel oligosaccharide ester from Syringa pubescens
Auteur:
Yin, WEI-PING Zhao, TIAN-ZENG Zhang, HAI-YAN
Verschenen in:
Journal of Asian natural products research
Paginering:
Jaargang 10 (2008) nr. 1 pagina's 95-100
Jaar:
2008-01
Inhoud:
Pubescenside A (1), a novel oligosaccharide ester, has been isolated from the flowers of Syringa pubescens, together with five known compounds d-mannitol (2), meso-inositol (3), hydrostytosol (4), glucose (5), and sucrose (6). The structure of 1 was elucidated as 1-O-[β-d-glucopyranosyl-(1-6)-β-d-galactopyranosyl-(1-1)-β-d-galactopyranosyl-6]-4,4-dimethylpelargonicate by chemical and spectroscopic means. The water extract of the flowers and leaves of S. pubescens showed cytotoxicity against L2215 cell line (IC50 = 78 μg/ml).