title: Bioactive constituents from the stems of Dalbergia parviflora.
abstract: From the stems of Dalbergia parviflora, three known flavonoids, six known isoflavonoids, a new isoflavone, dalparvone (2) and a new cinnamyl derivative, dalparvinene (6) were isolated and characterized. Isoflavan 3 exhibited strong cytotoxicity against KB and NCI-H187 cell lines with IC(50) values of 0.53 and 2.04 microg/ml, respectively. Compound 6 demonstrated strong cytotoxicity against NCI-H187 with an IC(50) value of 1.46 microg/ml. Compounds 4 and 6 possessed moderate cytotoxicity against KB cells with IC(50) values of 6.78 and 9.89 microg/ml, respectively. In addition, 2 exhibited moderate antiplasmodial activity with an IC(50) value of 8.19 microg/ml.
authors.affiliation: Natural Products Research Unit, Center of Excellence for Innovation in Chemistry, Department of Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand.
authors.forename: Uraiwan
authors.initials: U
authors.lastname: Songsiang
authors.forename: Suchana
authors.initials: S
authors.lastname: Wanich
authors.forename: Siripit
authors.initials: S
authors.lastname: Pitchuanchom
authors.forename: Siwames
authors.initials: S
authors.lastname: Netsopa
authors.forename: Komphet
authors.initials: K
authors.lastname: Uanporn
authors.forename: Chavi
authors.initials: C
authors.lastname: Yenjai
mesh_terms: D000818:Animals; D000890:Anti-Infective Agents / Q000737:chemistry / Q000302:isolation & purification / Q000494:pharmacology*; D000962:Antimalarials / Q000737:chemistry / Q000302:isolation & purification / Q000494:pharmacology*; D000972:Antineoplastic Agents, Phytogenic / Q000302:isolation & purification / Q000494:pharmacology* / Q000627:therapeutic use; D002176:Candida albicans / Q000187:drug effects; D002294:Carcinoma, Squamous Cell / Q000188:drug therapy; D045744:Cell Line, Tumor; D035782:Dalbergia / Q000737:chemistry*; D006801:Humans; D007529:Isoflavones / Q000737:chemistry / Q000302:isolation & purification / Q000494:pharmacology*; D009169:Mycobacterium tuberculosis / Q000187:drug effects; D008517:Phytotherapy; D010936:Plant Extracts / Q000737:chemistry / Q000494:pharmacology* / Q000627:therapeutic use; D018547:Plant Stems; D010963:Plasmodium falciparum / Q000187:drug effects; D055752:Small Cell Lung Carcinoma / Q000188:drug therapy
chemical_list: D000890:Anti-Infective Agents; D000962:Antimalarials; D000972:Antineoplastic Agents, Phytogenic; D007529:Isoflavones; D010936:Plant Extracts; C544791:dalparvinene; C544792:dalparvone B