Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Janggyoo Choi"'
Autor:
Janggyoo Choi, Jae Youl Cho, Soo Jung Choi, Heejin Jeon, Young Dong Kim, Khin Myo Htwe, Young Won Chin, Woo Shin Lee, Jinwoong Kim, Kee Dong Yoon
Publikováno v:
Molecules, Vol 20, Iss 3, Pp 4483-4491 (2015)
Two new phenolic glucosides, 1-O-benzyl-6-O-E-caffeoyl-β-d-glucopyranoside and 1-O-(7S,8R)-guaiacylglycerol-(6-O-E-caffeoyl)-β-d-glucopyranoside, were isolated from the aerial parts of Lagerstroemia speciosa, along with ten known compounds. The str
Externí odkaz:
https://doaj.org/article/b18ec7cb663b4b68aed4915a8433a5d9
Autor:
Mila Jung, Janggyoo Choi, Hee-Sung Chae, Jae Youl Cho, Young-Dong Kim, Khin Myo Htwe, Woo-Shin Lee, Young-Won Chin, Jinwoong Kim, Kee Dong Yoon
Publikováno v:
Molecules, Vol 20, Iss 1, Pp 358-365 (2014)
A novel isoflavone glycoside, peseudobatigenin 7-O-[β-d-apiofuranosyl-(1''''→5''')-O-β-d-apiofuranosyl-(1'''→6'')]-β-d-glucopyranoside, namely sympracemoside (1), was isolated from the aerial parts of Symplocos racemosa along with 15 known fla
Externí odkaz:
https://doaj.org/article/67deab68f5c54bff9e564970d7e0162f
Autor:
Mila Jung1 jml333@nate.com, Janggyoo Choi2 dashutiao@naver.com, Hee-Sung Chae3 chaeheesung83@gmail.com, Jae Youl Cho4 jaecho@skku.edu, Young-Dong Kim5 ydkim@hallym.ac.kr, Khin Myo Htwe6 khinmyohtwe007@gmail.com, Woo-Shin Lee7 krane@snu.ac.kr, Young-Won Chin3 f2744@dongguk.edu, Jinwoong Kim2 jwkim@snu.ac.kr, Kee Dong Yoon1 kdyoon@catholic.ac.kr
Publikováno v:
Molecules. Jan2015, Vol. 20 Issue 1, p358-365. 8p. 1 Chart, 2 Graphs.
Autor:
Shin Hee Yoon, Soo-Jung Choi, Janggyoo Choi, Young-Won Chin, Chang Uk Lee, Kee Dong Yoon, Jinwoong Kim, Soo Kyung Bae
Publikováno v:
Journal of Separation Science. 38:1828-1836
This study describes the rapid separation of mulberry anthocyanins; namely, cyanidin-3-glucoside and cyanidin-3-rutinoside, using high-performance countercurrent chromatography, and the establishment of a volumetric scale-up process from semi-prepara
Autor:
Chang Seok Lee, Hye-Jin Jeong, John Hwan Lee, Jaeyoung Ko, Song Seok Shin, Janggyoo Choi, Jun Seong Park, Yong Deog Hong, Seok-Yong Lee, Kee Dong Yoon
Publikováno v:
Bioorganic & Medicinal Chemistry Letters. 25:799-802
The ethanolic extract of the root of Piper methysticum was found to inhibit melanogenesis in MSH-activated B16 melanoma cells. Flavokawains B and C were isolated from this extract based on their anti-melanogenesis activity and found to inhibit melano
Autor:
Khin Myo Htwe, Woo-Shin Lee, Hee-Sung Chae, Jinwoong Kim, Young-Won Chin, Mila Jung, Young-Dong Kim, Jae Youl Cho, Janggyoo Choi, Kee Dong Yoon
Publikováno v:
Molecules
Molecules, Vol 20, Iss 1, Pp 358-365 (2014)
Molecules, Vol 20, Iss 1, Pp 358-365 (2014)
A novel isoflavone glycoside, peseudobatigenin 7-O-[β-d-apiofuranosyl-(1''''→5''')-O-β-d-apiofuranosyl-(1'''→6'')]-β-d-glucopyranoside, namely sympracemoside (1), was isolated from the aerial parts of Symplocos racemosa along with 15 known fla
Publikováno v:
Bioorganicmedicinal chemistry letters. 28(3)
Three novel butyrolactones (1-3) and butanoates (4-6), namely taraxiroside A-F, were isolated from Taraxacum officinale along with twenty-two known compounds (7-28). Their chemical structures were elucidated by interpretation of spectroscopic data an
Publikováno v:
Journal of Separation Science. 36:3860-3865
A rapid and efficient high-performance counter-current chromatography (HPCCC) method was developed to separate five oligostilbenes from the roots of Vitis amurensis. An n-hexane/ethyl acetate/methanol/water system (4:8:4:10, v/v/v/v) was selected as
Autor:
Jun Seong Park, John Hwan Lee, Janggyoo Choi, Jaeyoung Ko, Yong Deog Hong, Song Seok Shin, Kee Dong Yoon, Chang Seok Lee, Seok-Yong Lee, Hye-Jin Jeong
Publikováno v:
ChemInform. 46
Flavokawains B and C (Ia,b) are isolated from the ethanolic extract of the root of Piper methysticum, which is found to inhibit melanogenesis in MSH-activated B16 melanoma cells.
Publikováno v:
Phytochemistry. 118
Phytochemical investigations of the aerial parts of Acacia pennata (Mimosaceae) from Myanmar led to the isolation of five flavonoid glycosides and six known compounds. The new compounds were identified as (2R,3S)-3,5,7-trihdyroxyflavan-3-O-α-L-rhamn