Appearance Off-whte crystalline powder Capsaicinoids,HPLC 95%min Capsaicin(HPLC) 55%min Dihydrocapsaicin 20%min Other capsaicinoids 15% max Melting point 57℃-67℃ Loss on drying 1% max Heay metals 20ppm max Residue on ignition 1.0% max