Abstract
Medicinal plants such as Leutea avicennae Mozaff. (Apiaceae) have been shown some biological potential for preventing and treating diseases. Fractions and isolated compounds were tested on colon carcinoma (HT-29), cervical carcinoma (HeLa), breast carcinoma (MCF-7), and mouse embryonic fibroblast (NIH/3T3) cell lines. The BSLT method was used for the assessment of the general toxicity of the petroleum ether (PET), chloroform (CHCl3), ethyl acetate (EtOAc), and methanol (MeOH) fractions obtained from the aerial parts of L. avicennae. 1H-NMR and 13 C-NMR spectroscopy were used for structure elucidation. Five compounds, including two coumarins, osthole and umbelliferone, a diterpene phytol, β-sitosterol, and lauric acid, were isolated for the first time from L. avicennae. Osthole showed potent cytotoxic activity against MCF-7 and HT-29 cell lines with IC50 values of 4.23 ± 0.26 and 12.11 ± 0.13 µg/mL, respectively. Phytol demonstrated potent cytotoxic activity towards MCF-7 and HeLa cell lines with IC50 values of 6.80 ± 0.08 and 12.27 ± 0.18 µg/mL, respectively.
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