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김도훈,한지수,김기은,김진효,김성건,김호경,오오진,황완균,Kim, Do-Hoon,Han, Chi-Su,Kim, Gi-Eun,Kim, Jin-Hyo,Kim, Sung-Gun,Kim, Ho-Kyoung,Oh, O-Jin,Whang, Wan-Kyunn 대한약학회 2009 약학회지 Vol.53 No.3
In this study, isolation of antioxidative compounds was performed for development of anti-oxidizing agent. $CHCl_3$, $H_2O$, 30%, 60% MeOH, MeOH fractions were examined antioxidative activity by DPPH, test of inhibition on NO production. It was revealed that 30%, 60% MeOH and $CHCl_3$ fractions had significant antioxidative activity. In 30% MeOH and 60% MeOH, $CHCl_3$ fraction, six compounds were isolated and elucidated as adenosine(I), guanosine(II), peucedanol 7-O-$\beta$-D-apiofuranosyl(1$\rightarrow$6)-$\beta$-glucopyranoside(III), peucedanol 7-O-$\beta$-D-glucopyranoside(IV), peucedanol(V) and scopoletin(VI) by physicochemical data and spectroscopic methods. (Negative FAB-MS, $^{1}H-NMR$, $^{13}C-NMR$). The results from antioxidative activity screening for the each compound showed that compound IV was relatively superior antioxidant ability. In anti-inflammatory activation assay, compound III, IV, VI had concentration-dependent-activity and compound IV had superior anti-inflammatory ability. These results suggest that Peucedani Radix might be developed as a potent anti-oxidative, anti-inflammatory agents and ingredients for related functional foods.
김은정,오오진,이상국,양기숙,Kim, Eun-Jeong,Oh, O-Jin,Lee, Sang-Kook,Yang, Ki-Sook 한국생약학회 2001 생약학회지 Vol.32 No.4
The root of Astragalus membranaceus Bunge (Leguminosae), which has been used for the treatment of hypertension, chronic hepatitis, duodenal ulcers, chronic nephritis and promotion of immunity in folk remedies. Cyclooxygenase (COX-2) is responsible for the production of large amounts of proinflammatory prostaglandins (PGs) at the inflammatory site. Thus, a logical approach to the treatment of inflammatory disease should involve the inhibitors of COX-2. To develop new COX-2 inhibitors from natural products, Astragali Radix was screened by inhibiting prostaglandin $E_2(PGE_2)$ generation in the culture medium using enzyme immunometric assay. Two isoflavone glycosides, $7,2'-dihydroxy-3',4'-dimethoxyisoflavan-7-O-{\beta}-D-glucoside$ and $calycosin-7-O-{\beta}-D-glucoside$ isolated from Astragali Radix inhibited COX-2 activity.
Lupane계 Triterpenoid류가 임파구 분열에 미치는 효과
김영옥(Young Ok Kim),조대현(Dae Hyun Cho),정혜주(Hye Joo Chung),김진호(Jin Ho Kim),장승엽(Seung Yeup Chang),육창수(Chang Soo Yook),양기숙(Ki Sook Yang),오오진(O Jin Oh) 대한약학회 1999 약학회지 Vol.43 No.2
The effects of five lupane-triterpenoids from leaves of two Acanthopanax spp., chiisanogenin, chisanoside and 22alpha-hydroxychiisanogenin, acakoreoside A and acantrifoside A on the mitogen-induced proliferation were investigated in vitro. T cell proliferation (TCP) to concanavalin A (Con A) and the B cell proliferation (BCP) to lipopolysaccharide (LPS) were increased by chiisanogenin. TCP to Con A was significantly increased by chiisanoside and acankoreoside A, but not affected by chiisanogenin, 22 alpha-hydroxychiisanogenin and acantrifoside A, BCP to LPS was significantly increased by acankoreoside A and acantrifoside A, and slightly increased by chiisanoside, chiisanogenin and 22 alpha-hydroxychiisanogenin.