A mixture of four new butyrospermol and two known β -sitosterol fatty acid esters, was obtained from the fruit of a Chinese mangrove Xylocarpus granatum. The structures of these compounds were established on the basis of spectroscopic data and chemical means. The butyrospermol fatty acid esters were characterized as mainly comprising butyrospermol 3β -O-palmitate (1), butyrospermol 3β -O-oleate (2), butyrospermol 3β -O-stearate (3) and butyrospermol 3β -O-linoleate (4). The β - sitosterol fatty acid esters were identified as mainly containing β -sitosterol 3β -O-myristate and β - sitosterol 3β -O-oleate.
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