Chemical and biological characterization of oleanane triterpenoids from soy.
Soyasaponins are a group of complex and structural diverse oleanane triterpenoids found in soy (Glycine max) and other legumes. They are primarily classified into two main groups - group A and B - based on the attachment of sugar moieties at positions C-3 and C-22 of the ring structures. Group A soyasaponins are bidesmosidic, while group B soyasaponins are monodesmosidic. Group B soyasaponins are further classified into two subcategories known as 2,3-dihydro-2,5-dihydroxy-6-methyl-4H-pyran-4-one (DDMP) and non-DDMP conjugated molecules. The preparation and purification of soyasaponin molecules is complicated by the presence of bioactive soy isoflavones, which often overlap with soyasaponin in polarity and must removed from extracts before biological assessment. Soyasaponin extracts, aglycones of group A and B and individual group B soyasaponins such as soyasaponin I have been reported to posses specific bioactive properties, such as in vitro anti-cancer properties by modulating the cell cycle and inducing apoptosis. The isolation, chemical characterization and detection strategies by HPLC and HPLC-MS are reviewed, along with the reported bioactive effects of soyasaponin extracts and individual molecules in cultured cancer cell experiments.
Zhang
Wei
W
Department of Chemistry, National University of Singapore, Science Drive 4, 117543, Singapore.
Popovich
David G
DG
D000972:Antineoplastic Agents, Phytogenic / Q000737:chemistry* / Q000302:isolation & purification / Q000494:pharmacology*; D017209:Apoptosis / Q000187:drug effects; D045744:Cell Line, Tumor; D002851:Chromatography, High Pressure Liquid; D006801:Humans; D015394:Molecular Structure; D009828:Oleanolic Acid / Q000737:chemistry* / Q000302:isolation & purification / Q000494:pharmacology*; D012503:Saponins / Q000737:chemistry / Q000302:isolation & purification / Q000494:pharmacology; D013025:Glycine max / Q000737:chemistry*
D000972:Antineoplastic Agents, Phytogenic; D012503:Saponins; D009828:Oleanolic Acid
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