Inhibitory effects of Korean medicinal plants and camelliatannin H from Camellia japonica on human immunodeficiency virus type 1 protease.
To identify substances with anti-human immunodeficiency virus (HIV) activity in traditional medicines, 101 extracts of Korean medicinal plants were screened for their inhibitory effects on HIV type 1 protease (PR). The enzyme activity was determined by HPLC. Of the extracts tested, strong inhibitory effects were observed in the acetone extracts of the pericarp and leaves of Camellia japonica, the water extract of the leaves of Sageretia theezans and the methanol extract of the aerial part of Sophora flavescens. Camelliatannin H from the pericarp of C. japonica, showed a potent inhibitory activity on HIV-1 PR with IC(50) of 0.9 microM.
Department of Oriental Medicine Resources, Sunchon National University, 315 Maegok-dong, Sunchon, Jonnam, 540-742, Republic of Korea. jcpark@sunchon.ac.kr
Jong Cheol
JC
Park
Jong Moon
JM
Hur
Ju Gwon
JG
Park
Tsutomu
T
Hatano
Takashi
T
Yoshida
Hirotsugu
H
Miyashiro
Byung Sun
BS
Min
Masao
M
Hattori
D028244:Camellia / Q000737:chemistry*; D002851:Chromatography, High Pressure Liquid; D015658:HIV Infections / Q000188:drug therapy / Q000821:virology; D016333:HIV Protease / Q000378:metabolism*; D017320:HIV Protease Inhibitors / Q000302:isolation & purification / Q000494:pharmacology*; D015497:HIV-1 / Q000187:drug effects / Q000201:enzymology*; D047348:Hydrolyzable Tannins; D007723:Korea; D015394:Molecular Structure; D008517:Phytotherapy; D010936:Plant Extracts / Q000737:chemistry; D018514:Plant Structures / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry*; D013634:Tannins / Q000302:isolation & purification / Q000494:pharmacology*
D017320:HIV Protease Inhibitors; D047348:Hydrolyzable Tannins; D010936:Plant Extracts; D013634:Tannins; C469822:camelliatannin A; C089880:camelliatannin H; C089878:camelliatannin F; D016333:HIV Protease