• Publications
  • Influence
Electrochemical method for estimating the antioxidative effects of methanol extracts of crude drugs.
The antioxidative effects of methanol extracts of crude drugs were estimated by an electrochemical method because there are many electrochemically-active substances in natural antioxidants. TwelveExpand
  • 97
  • 6
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
  • 50
  • 5
Cytotoxic lavandulyl flavanones from Sophora flavescens.
Two new lavandulylated flavanones, (2S)-2'-methoxykurarinone (1) and (-)-kurarinone (2), were isolated from the root of Sophora flavescens, together with two known lavandulyl flavanones,Expand
  • 112
  • 4
Costunolide, a sesquiterpene lactone from Saussurea lappa, inhibits the VEGFR KDR/Flk-1 signaling pathway.
Costunolide (CT), a sesquiterpene lactone constituent isolated from Saussurea lappa (Compositae), exerted an antiangiogenic effect. CT selectively inhibited the endothelial cell proliferation inducedExpand
  • 69
  • 4
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
  • 33
  • 4
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
  • 32
  • 3
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
  • 43
  • 3
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
  • 36
  • 3
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
  • 29
  • 3
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
  • 35
  • 3
  • PDF