• Korean Journal of Pharmacognosy
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• v.18 no.2
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• pp.89-93
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• 1987

Chemical investigation of the inhibitory compound on leucocyte migration from Melilotus officinalis has led to the isolation and characterization of azukisaponin V $(3-O-[{\alpha}-L-rhamonopyranosyl(1{\rightarrow}2)-{\beta}-D-glucopyransosyl(1{\rightarrow}2)-{\beta}-D-glucuronopyranosyl]-soyasapogenol B)$ as the carboxylate form, which exhibits potent leucocyte migration inhibitory activity at a dose of 6mg/rat.

• Natural Product Sciences
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• v.14 no.1
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• pp.37-46
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• 2008

From the 70% EtOH extract of the roots of Astragalus membranaceus (Leguminosae), fifteen saponins were isolated and identified as astragaloside I (1), isoastragaloside II (2), astragaloside II (3), agroastragaloside I (4), cyclogaleginoside B (5), cycloaraloside A (6), brachyoside B (7), agroastragaloside II (8), astragaloside III (9), astragaloside IV (10), astramembranoside A (11), astramembranoside B (12), cylocanthoside E (13), cyclounifolioside B (14) and azukisaponin V methyl ester (15) by spectroscopic methods. Ten compounds 1 - 3, 5 - 7, 9 - 11 and 14 have cycloastragenol as an aglycon, and four compounds 4, 8 , 12, and 13 have cyclocanthogenin as an aglycon. The hairy roots of A. membranaceus were shown to produce previously unreported cycloartane-type saponins such as agroastragalosides I (4) and II (8) and cycloastragenol $3-O-{\beta}-D-xyloside$ (5), together with the known saponins. This is the first report of these saponins (4, 5, and 8) from the intact plant. Although the occurrence of the oleanane-type triterpene saponin, azukisaponin V methyl ester (15), in Astragalus plants has been demonstrated by others, this is the first report of the azukisaponin V methyl ester (15) from the Astragalus plants.

• Archives of Pharmacal Research
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• v.11 no.3
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• pp.197-202
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• 1988

A new saponin, 3-O-[${\alpha}$-L-rhamnopyranosyl$(1{\rightarrow}2)$-${\beta}$-D-glucopyranosyl$(1{\rightarrow}2)$-${\beta}$-D-glucuronopyranosyl]soyasapogenol B carboxylate (6) has been isolated from the medicinal plant yellow sweetclover together with azukisaponin II(7), robinin(8), and clovin(9). 7,8, and 9 are reported for the first time from this plant. The new saponin(6) exhibited inhibitory action on leucocyte migration in inflammation.

• Proceedings of the PSK Conference
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• 2003.04a
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• pp.135.1-135.1
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• 2003

We have previously reported three new oleanene-type glycosides and kudzusaponin $A_3$ methyl ester and subproside II methyl ester from the roots of Echinosophora koreensis. Further study has now led to the isolation of three known oleanen-type glycosides. sophoraflavoside I, azukisaponin V, and kudzusaponin $SA_3$ as their methyl esters. The structures of theses compounds were characterized by spectroscopic and chemical methods.