The methanol extract of the stem bark of Trichilia estipulata afforded four aryltetralin lignan glycosides which were identified on the basis of spectroscopic analysis of their acetates as (-)-isolariciresinol-3α-O-β-D-xylopyranoside, (-)-lyoniresinol-3α-O-β-D-xylopyranoside and the new lignans (+)-4'-O-methy-9'-deoxiisolariciresinol-3α-O-β-D-glucopyranoside, (-)-lyoniresinol-3α-L-rhamnopyranoside.
HPLC, DCCC, lignans glycosides, Meliaceae, Trichilia estipulata
Publication DOI: 10.1080/10575639808044957Journal NLM ID: 9315615Publisher: Taylor & Francis Health Sciences
Institutions: Departamento de Química, Universidade Federal de São Carlos, São Carlos, Brazil, Departamento de Farmacognosia, Universidada Estadual de Maringá, Maringá, Brazil, Departamento de Botânica, Instituto de Biociências, São Paulo, Brazil
Methods: 13C NMR, 1H NMR, EI-MS, IR, HPLC, UV, extraction, optical rotation measurement, acetylation, DCCC