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Cytotoxic spirostane-type saponins from the roots of Chlorophytum borivilianum.
Four new spirostane-type saponins named borivilianosides E-H (1-4) were isolated from an ethanol extract of the roots of Chlorophytum borivilianum together with two known steroid saponins (5 and 6).Expand
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Steroidal saponins from two species of Dracaena.
Four new steroidal saponins (1-4) were isolated from the stem and bark of two species of Dracaena: deistelianosides A and B (1 and 2) from D. deisteliana and arboreasaponins A and B (3 and 4) from D.Expand
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Cytotoxic acacic acid glycosides from the roots of Albizia coriaria.
Two new oleanane-type saponins, coriariosides A (1) and B (2), along with a known saponin, gummiferaoside C (3), were isolated from the roots of Albizia coriaria. Their structures were established byExpand
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Steroidal saponins from Smilax medica and their antifungal activity.
Three new steroidal saponins (1-3) were isolated from the roots of Smilax medica, together with the known disporoside A (4). The structures of the new compounds were elucidated mainly by extensiveExpand
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Three new triterpene saponins from two species of Carpolobia.
Three new acetylated triterpene saponins 1-3 were isolated from the roots of Carpolobia alba and C. lutea. Their structures were established mainly by 2D NMR techniques asExpand
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Structure and cytotoxicity of steroidal glycosides from Allium schoenoprasum.
A phytochemical analysis of the whole plant of Allium schoenoprasum, has led to the isolation of four spirostane-type glycosides (1-4), and four known steroidal saponins. Their structures wereExpand
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Two new triterpene saponins from Eryngium campestre.
Two new triterpene saponins, 3-O-beta-D-glucopyranosyl-(1-->2)-[alpha-L-rhamnopyranosyl-(1-->4)]-beta-D-glucuronopyranosyl-22-O-angeloyl-R1-barrigenol (1) andExpand
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Solanum incanum and S. heteracanthum as sources of biologically active steroid glycosides: confirmation of their synonymy.
A new spirostanol saponin (1), along with four known saponins, dioscin (2), protodioscin (3), methyl-protodioscin (4), and indioside D (5), and one known steroid glycoalkaloid solamargine (6) wereExpand
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New triterpenoid estersaponins from the root barks of Pittosporum verticillatum subsp. verticillatum and evaluation of cytotoxicities.
The phytochemical investigation of the root barks of Pittosporum verticillatum Bojer subsp. verticillatum led to the isolation of three new triterpene saponins,Expand
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The Dioscorea genus: a review of bioactive steroid saponins
This review will summarize some of the important reports on the chemistry and the biological activities of Dioscorea steroid saponins from the literature data of recent years (2000–2006) and from theExpand
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