Abstract
The first chemical investigation of the marine microalgae Tetraselmis convolutae is reported. Two phytyl esters, phytyl hexadeca-4,7-10,13-tetraenoate (1) and phytyl palmitate (2), and five other compounds, including phytol (3), hexadeca-4,7-10,13-tetraenoic acid (4), poriferasterol (5), palmitic acid (6), and glycerol (7), were isolated from the extracts of Tetraselmis convolutae. Compound 1 was isolated from nature for the first time, and it showed significant cytotoxic activity against KB, SK-LU-1, MCF7, and HepG2 cancer cell lines with IC50 values in the range of 65.23 ± 6.17–89.81 ± 5.83 μM/mL.
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