4 rezultati
OBJECTIVE
To study the chemical constituents in the stem bark of Styrax perkinsiae.
METHODS
The chemical constituents were separated and purified by chromatographic methods after solvent extraction and identified by spectroscopic analyses.
RESULTS
Ten lignans were isolated from the stem bark of
A new lignan glycoside was isolated from the stem bark of Styrax japonica (Styracaceae). This lignan glycoside, named styraxjaponoside C (1), was identified by spectroscopic methods. In addition, six known compounds, arctiin (2), pinoresinol-4-O-beta-D-glucopyranoside (3), matairesinoside (4),
Five compounds, styraxjaponoside A (1), matairesinoside (2), egonol glucoside (3), dihydrodehydrodiconiferyl alcohol 9'-O-glucoside (4), and styraxjaponoside B (5) were isolated from the stem bark of Styrax japonica. Among them, compounds 1 and 5 showed significantly high virus-cell fusion
A bioassay-guided fractionation of the ethyl acetate soluble fraction from the stem bark of Styrax japonica S. et Z. (Styracaceae) yielded two new lignan compounds, styraxjaponoside A (1) and styraxjaponoside B (2), along with three known compounds, matairesinoside (3), egonol glucoside (4), and