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강삼식,이주영,이제현,이은주,김주선 한국생약학회 2011 생약학회지 Vol.42 No.2
Twenty-two compounds were isolated from the 70% ethanolic extract of Rehmanniae Radix Preparata (Scrophulariaceae) and their structures were identified as three triterpenoids [oleanolic acid (1), pomonic acid (2) and ursolic acid (5)], an iridoid, catalpol (13), four furan derivatives [5-hydroxymethyl-2-furaldehyde acetate (3), 5-hydroxymethyl-2-furfural (6), 5-hydroxymethyl-2-furancarboxylic acid (7), and 5-(α-D-galactopyra nosyloxymethyl)-2-furancarboxaldehyde (15)], three phenethyl alcohol glycosides [darendoside B (14), phenethyl alcohol 2-O-β-D-xylopyranosyl (1→6)-β-D-glucopyranoside (17), and salidroside (19)], four sugar derivatives [L-arabinose (11), raffinose (20), stachyose (21), and mannitol (22)], and seven others [2,5-dihydroxyacetophenone (4), succinic acid (8), daucosterol (9), β-sitosterol (10), adenosine (16), uridine (18) jio-cerebroside (12)]. The chemical structures of these compounds were identified on the basis of spectroscopic methods and comparison with literature values. This is the first report of the triterpenoids oleanolic acid (1), pomonic acid (2), and ursolic acid (5) from the genus Rehmannia, as well as the first report of compounds 5-hydroxymethyl-2-furaldehyde acetate (3), 2,5-dihydroxyacetophenone (4), daucosterol (9), darendoside B (14), 5-(α-D-galactopyranosyloxymethyl)-2-furancarboxaldehyde (15), adenosine (16), phenethyl alcohol 2-O-β-D-xylopyranosyl(1→6)-β-D-glucopyranoside (17), and salidroside (19) from the Rehmanniae Radix Preparata.
강삼식,김주선,손건호,김현표,장현욱 영남대학교 약품개발연구소 2000 영남대학교 약품개발연구소 연구업적집 Vol.10 No.-
By bioassay-guided fractionation followed by chromatographic separation of the MeOH extract of Alpinia Rhizome, five COX-2 inhibitors were isolated and characterized as pinocembrin, galangin 3-methyl ether, galangin, kaempferid, and 5-hydroxy-7-(4"-hydroxy-3"-meth-oxyphenyl)-1-phenyl-3-heptanone.
강삼식,이소영,김주선,이제현,연민혜 한국생약학회 2011 생약학회지 Vol.42 No.2
Twenty-four compounds were isolated from the 70% ethanolic extract of Rehmanniae Radix (Scrophulariaceae) cultivated in Bukhu-myeon, Andong-si, Korea and their structures were identified as four iridoids [6-O-(4''-O-α-L-rhamnopyranosyl) vanillyl ajugol (17), ajugol (18), aucubin (19), and catalpol (20)], three phenethyl alcohol glycosides [decaffeoyl acteoside (15), isoacteoside (16), and acteoside (21)], five sugar derivatives [ethyl β-D-fructofuranoside (7), eleutheroside C (14), mannitol (22), raffinose (23), and stachyose (24)], two terpenoids [remophilanetriol (4) and glutinolic acid (11)], a lignan, paulownin (2), and eight others [β-sitosterol (1), daucosterol (6), monopalmitin (3), pinellic acid (9), uracil (5), adenosine (12), jio-cerebroside (10), aeginetic acid 5-O-β-D-quinovoside (8), aeginetoyl ajugol 5''-O-β-D-quinovoside (13)]. The chemical structures of these compounds were identified on the basis of spectroscopic methods and comparison with literature values. Among these compounds, paulownin (2), monopalmitin (3), uracil (5), daucosterol (6), ethyl β-D-fructofuranoside (7), and eleutheroside C (14) were isolated from this plant for the first time.
강삼식,김주선,김혜정,정영란,신승원,Kang, Sam-Sik,Kim, Ju-Sun,Kim, Hae-Jung,Jung, Young-Ran,Shin, Seung-Won 한국생약학회 1994 생약학회지 Vol.25 No.3
From the Viticis Fructus n-hydrocarbons, ${\beta}-sitosterol$ $3-O-{\beta}-_D-glucoside$ and hesperidin along with the known polyoxygenated flavonoids such as vitexicarpin, artemetin and luteolin, and vanillic acid were isolated and identified by means of spectroscopic methods. HPLC analysis of the flavonoid components from the MeOH extract was established. Phytochemical analyses of the domestic plant sample and the imported ones were conducted and the flavonoid compositions of the domestic samples were greatly different from those of the imported ones.
강삼식,김주선,윤혜숙,한병훈,Kang, Sam-Sik,Kim, Ju-Sun,YunChoi, Hye-Sook,Han, Byung-Hoon 한국생약학회 1993 생약학회지 Vol.24 No.3
From the Paeoniae Radix, gallic acid methyl ester, (+)-catechin, paconiflorin, albiflorin, paeonol, ${\beta}-sitosterol$ and campesterol, benzoic acid, oleanolic acid, hederagenin and ${\beta}-sitosterol$ 3-O-glucoside were isolated and characterized by means of spectral data. Oleanolic acid and hederagenin have been isolated for the first time from the genus Paeonia.