Six phenolic glucosides were isolated from the methanolic extract of the root of Pueraria lobata. Three of them were new compounds and their structures were proved to be kuzubutenolide A, 3'-hydroxy-4'-O-β-D-glucosylpuerarin and 3'-methoxydaidzin.
root, Leguminosae, Pueraria lobata, isolfavone, butenolide, 6”-O-malonyldaidzin, kuzubutenolide A, 3’-hydroxy-4’-O-b-D-glucosylpuerarin, 3’-methoxydaidzin
Publication DOI: 10.1016/S0031-9422(97)00371-3Journal NLM ID: 0151434Publisher: Elsevier
Institutions: Central Research Laboratories, Tsumura & Co., 3586 Yoshiwara, Ami-machi, Inashiki-gun, Ibaraki, 300-l I, Japan
Methods: 13C NMR, 1H NMR, methylation, NMR-2D, IR, FAB-MS, X-ray, TLC, enzymatic hydrolysis, acid hydrolysis, GLC, methanolysis, HPLC