Batang tanaman lelutung tokak (Tabernaemontana macrocarpa Jack.), Bahan kimia, n-heksan, etil asetat, etanol, air suling, asam klorida, larutan amonia, pereaksi Meyer, pereaksi Dragendorff, pereaksi Liebermann - Burchard, asam sulfat, natrium hidroksida, pereaksi Molish, FeCl3, telur Artemia salina Leach, DMSO, air laut, DPPH, vitamin C, media RPMI-1640, sel leukimia L 1210, fetal bovine serum, tryphan blue.