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Article in Chinese | WPRIM | ID: wpr-256045

ABSTRACT

To investigate the chemical compounds from the roots of Actinidia rufa, nine compounds were isolated by various column chromatography on silica gel and Sephadex LH-20, and high performance liquid chromatography (HPLC). Their structures were elucidated as 2α, 3β, 19α, 23, 24-pentahydroxyurs-12-en-28-oic acid-28-O-β-D-glucopyranoside (1), 2α, 3α, 19α, 24-tetrahydroxyurs-12-en-28-oic acid-28-O-β-D-glucopyranoside (2), 2α, 3α, 24-trihydroxyurs-12-en-28-oic acid (3), 2α, 3α, 24-trihydroxyolean-12-en-28-oic acid (4), 2α, 3α, 23, 24-tetrahydroxyurs -12-en-28-oic acid (5), 2α, 3β, 23, 24-tetrah-ydroxyurs-12-en-28-oic acid (6), 2α, 3β, 23-trihydroxy-12-en-28-oic acid (7), 2α, 3β, 23-trihydroxyurs-12, 20(30)-dien-28-oic acid (8), and 2α, 3α, 23-trihydroxyurs-12, 20(30)-dien-28-oic acid (9). Compounds 1 and 2 were isolated from the Actinidia genus for the first time. Compounds 2, 3, and 4 showed cytotoxic activity against human SKVO3 and TPC-1 cancer cell lines with IC₅₀ values ranging from 10.99 to 16.41 μmol•L⁻¹, compounds 3 and 4 have cytotoxic activity against human HeLa cancer cell line with IC₅₀ values of 15.53 and 13.07 μmol•L⁻¹, respectively.

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