Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Dug Ryong Hahn"'
Publikováno v:
Food Science and Biotechnology. 21:1445-1450
Reactive oxygen species (ROS) are continuously produced in aerobic organisms. Overproduction of ROS is known to play a crucial role in the pathogenesis of many cardiovascular diseases, including atherosclerosis and hypertension. Superoxide dismutase
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7e448a61048ad816b3cc84e49c1f263
https://doi.org/10.1007/s10068-012-0190-2
https://doi.org/10.1007/s10068-012-0190-2
Publikováno v:
Phytochemistry. 49:839-843
A new lupane triterpene glycoside, acantrifoside A, was isolated from the leaves of Acanthopanax trifoliatus and A. koreanum . Based on spectroscopic data, the compound was identified as 3α,11α-dihydroxylup-20(29)-en-28-oic acid 28- O -α- l -rhamn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::571d00f1a3906f8a89c1f917bf1e4e02
https://doi.org/10.1016/s0031-9422(97)00846-7
https://doi.org/10.1016/s0031-9422(97)00846-7
Autor:
Dug-Ryong Hahn, Min-Won Lee
Publikováno v:
Archives of Pharmacal Research. 14:124-129
One new triterpenoidal bisdesmoside, saponin C (3) were isolated from the leaves ofKalopanax pictum var.chinense along with two known saponins, saponin B (2, sapindoside C) and saponin A (1, sapindoside B). On the basis of chemical and spectral evide
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e496cc03d27241cec7f13f12074880b
https://doi.org/10.1007/bf02892016
https://doi.org/10.1007/bf02892016
Autor:
Wan-Kyunn Whang, Dug-Ryong Hahn
Publikováno v:
Archives of Pharmacal Research. 14:176-180
Two new triterpenoidal saponins,B(1) andC(2) were isolated from the fruccus ofKochia scoparia. On the basis of chemico-spectral evidences, the structures of1 and2 were elucidated as oleanolic acid 3-O-β-D-ribopyranosyl-(1→2)-β-D-glucuronopyranosi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::708dc216aedb5796a81d0bd4dc107ba4
https://doi.org/10.1007/bf02892025
https://doi.org/10.1007/bf02892025
Autor:
Dug-Ryong Hahn, Soon-Hyun Cho
Publikováno v:
Archives of Pharmacal Research. 14:19-24
One new triterpenoidal saponin, saponin F(2) has been isolated from the bark of Kalopanax pictum Nakai var. typicum (Araliaceae), together with one known saponin, kizuta saponin K12 (1). On the basis of chemico-spectral evidences, the structure of 2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dad7e86366ff0ebb3706d585a0f13937
https://doi.org/10.1007/bf02857808
https://doi.org/10.1007/bf02857808
Autor:
Dug-Ryong Hahn, Myung-Ja Park
Publikováno v:
Archives of Pharmacal Research. 14:7-11
Three triterpenoid saponins were isolated from the methanol extract of the stem bark of Kalopanax pictum Nakai var. magnificum (Araliaceae). The structures of these saponins were identified as hederagenin 3-O-alpha-L-arabinopyranoside, hederagenin-3-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e129f29d5273f419928d26b81ab454ff
https://doi.org/10.1007/bf02857806
https://doi.org/10.1007/bf02857806
Autor:
Chikako Miyajima, Ryoji Kasai, Kazuhiro Ohtani, Tomoko Takahasi, Naohiro Naruhashi, Dug-Ryong Hahn, Osamu Tanaka
Publikováno v:
Phytochemistry. 29:3275-3280
A dimer of glucosyl esters of A-ring oxygenated 19α-hydroxyursolic acids was isolated from leaves ofRubus coreanus together with the monomers of the related glucosyl esters. The structure of this compound, named coreanoside F1, was elucidated by che
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a069e8a004ad6df77d88fd2bd4c5c8db
https://doi.org/10.1016/0031-9422(90)80199-q
https://doi.org/10.1016/0031-9422(90)80199-q
Publikováno v:
Archives of Pharmacal Research. 12:207-213
This study was performed to investigate the mechanism ofin vitro cytotoxic actions of polyacetylenes which are panaxydol, panaxynol and panaxytriol isolated fromPanax ginseng C.A. Meyer. DNA synthesis of L1210 cells was significantly inhibited with d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bdec920c7b7e45ad0d5ed08cb2a6120c
https://doi.org/10.1007/bf02855556
https://doi.org/10.1007/bf02855556
Publikováno v:
Chemical and Pharmaceutical Bulletin. 32:1244-1247
From leaves and stem-bark of Korean medicinal plant, Acanthopanax chiisanensis, a new glycoside was isolated and its structure was established as the α-L-rhamnopyranosyl (1→4)-β-D-glucopyranosyl (1→6)-β-D-glucopyranosyl ester of 1 (R)-hydroxy-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8af74c8aad206ef1a24c8650c24ea444
https://doi.org/10.1248/cpb.32.1244
https://doi.org/10.1248/cpb.32.1244
Autor:
Dug-Ryong Hahn, Shigenori Taniyasu, Kazuhiro Matsumoto, Jeung-Hee Kim, Osamu Tanaka, Ryoji Kasai
Publikováno v:
Chemical and Pharmaceutical Bulletin. 34:3284-3289
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8174008b0390a99723d88436abcf9a81
https://doi.org/10.1248/cpb.34.3284
https://doi.org/10.1248/cpb.34.3284