Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Keiichi Suto"'
Publikováno v:
Journal of Chromatography A. 810:252-255
Atractylon was extracted from Atractylodes rhizome within 15 s with supercritical carbon dioxide. The extraction was so rapid that SFE extracts could be transported directly into an SFC column and analyzed. Atractylon was eluted and separated in ca.
Publikováno v:
Journal of Chromatography A. 786:366-370
An assay of magnolol and honokiol in Magnoliae Cortex was established by on-line supercritical fluid chromatography (SFC) coupled with supercritical fluid extraction (SFE). With an amino column as the trapping and separation column, magnolol and hono
Publikováno v:
Journal of Chromatography A. 786:371-376
An assay of berberine and palmatine in Phellodendri Cortex was established using ion-pair supercritical fluid chromatography (IP-SFC) on-line coupled with ion-pair supercritical fluid extraction (IP-SFE). The on-column method was employed to successf
Publikováno v:
Chemical and Pharmaceutical Bulletin. 45:1708-1710
Ion-pair reagents and reversed micelles in supercritical carbon dioxide (SF-CO2) were tested as polar mobile phases for supercritical fluid chromatography (SFC). Dioctylsulphosuccinate sodium salt (DSS) was used as the counter-ion in ion-pair supercr
Autor:
Fusayoshi Hirayama, Yuji Ito, Toshiyuki Oshima, Kazuhiko Sagara, Keiichi Suto, Tsuguchika Yoshida
Publikováno v:
Journal of Chromatography A. 456:392-397
Publikováno v:
Chemical and Pharmaceutical Bulletin. 29:1777-1779
Publikováno v:
Chemical and Pharmaceutical Bulletin. 29:254-256
Pachypodol, ombuine, apigenin, rhamnetin, apigetrin and a new flavone, apigenin 7-O-β-D (-6"-p-coumaroyl)-glucoside, were isolated from the aerial part of patchouli, Pogostemon cablin (Labiatae). These compounds were identified by analysis of variou
Publikováno v:
Phytochemistry. 27:911-913
Three new flavonol glycosides: 4′-methoxy-5-hydroxy-8-3,3-dimethylallylflavone 3-glycosyl(1→2)rhamnoside-7-glucoside, 3-xylosyl(1→2)rhamnoside-7-glucoside and 3-rhamnosyl(1→2)rhamnoside-7-glucoside and icariin were characterized from the aeri
Autor:
Yuji Ito, Mitsuharu Ojima, Hideji Itokawa, Toshiyuki Oshima, Keiichi Suto, Tetsuo Misaki, Kazuhiko Sagara
Publikováno v:
Chemicalpharmaceutical bulletin. 33(12)
A new, simple and precise method using ion-pair high-performance liquid chromatography was developed for the determination of alkaloids in Corydalis Tuber and Anchusan-to dry extract, i.e., tetrahydrocolumbamine, glaucine, tetrahydropalmatine, coryda
Publikováno v:
Planta Medica. 55:93-93