Antioxidant and cytotoxicity activities of δ-tocotrienol from the seeds of .

Chemical investigation of P. Beauv fruits led to the isolation of a new -tocotrienol, 3-hydroxy-δ-tocotrienol () together with eight known compounds (-). Compound ( was allylated () and prenylated ( and ) to give three new semi-synthesized derivatives which were fully characterized as: 6--allyl-3-hydroxy-δ-tocotrienol (), 6--prenyl-3-hydroxy-δ-tocotrienol () and 6-,5-C-diprenyl-3-hydroxy-δ-tocotrienol ().