Abstract:
From the ethanol extract of
Adina rubella, twelve compounds were isolated by silica gel and ODS column chromatography. Their structures were identified by spectroscopic analysis as: 5, 7-dihydroxy-2-methylchromone-7-
O-
β-D-glucopyranoside(
1 ), scopolin(
2 ), (+)-lyoniresinol-3a-
O-
β-D-glucopyranoside(
3 ), (6
S, 7
R, 8
R)-7a-［(
β-D-glucopyranosyl)oxy］ lyoniresinol(
4 ), harman-3-carboxylic acid(
5 ), lyaloside(
6 ), 3-oxoquinovid acid(
7 ), oleanolic acid(
8 ), 3-acetyl oleanolic acid(
9 ), quinovic acid 3-
O-
β-D-glucopyranosyl-28-
O-
β-L-rhamnopyranosyl ester(
10 ), quinovic acid 3-
O-
β-D-glucopyranosiyl-28-
O-
β-D-glucopyranosyl ester(
11 )and pyrocincholic acid 3-
O-
α-L-rhamnopyranosyl-28-［
β-D-glucopyranosyl-(1→6)-
O-
β-D-glucopyranosyl］ ester(
12 ). Compounds
3, 4, 6, 8-10 were isolated from this plant for the first time.
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