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Title 

Low density lipoprotein (LDL)-antioxidant flavonoids from roots of Sophora flavescens

 

고삼으로부터 분리한 플라보노이드의 LDL-항산화 활성

Authors 

Tae Sook JeongYoung Bae RyuH Y KimM J Curtis-LongS J AnJ H LeeWoo Song LeeK H Park

Publisher 

Pharmaceutical Society of Japan

Issue Date 

2008

Citation 

Biological & Pharmaceutical Bulletin, vol. 31, no. 11, pp. 2097-2102

Keywords 

kurarinonelow density lipoprotein oxidationresorcinolsophora flavescenssophoraflavanone Gapolipoprotein Blow density lipoproteinsophora flavescens extractsophoraflavanone gantioxidant activity

Abstract 

Oxidation of low density lipoprotein (LDL) is strongly implicated as a key process in the onset of atherosclerosis. In this study, nine alkylated (C 10-C5) flavonoids from Sophora flavescens were examined for their inhibitory effects on copper-induced LDL oxidation. of the flavonoids tested, sophoraflavanone G (1), kurarinone (2), kurarinol (3), norkurarinol (4), and kuraridin (9) inhibited the generation of thiobarbituric acid reactive substances (TBARS) with IC50s of 7.9, 14.5, 22.0, 26.9, and 17.5 μM, respectively. The most potent inhibitor, compound 1, also demonstrated significant activities in complementary in vitro investigations, such as lag time (130 min at 5 μM), relative electrophoretic mobility (REM) of ox-LDL (80% inhibition at 20 μM), and fragmentation of apoB-100 (inhibition of 71% at 20 μM). Analysis of the structures of these compounds reveals that a resorcinol moiety in the B-ring is strongly correlated with protection of LDL-oxidation.

ISSN 

0918-6158

Link 

http://dx.doi.org/10.1248/bpb.31.2097

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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