The composition of fatty acids by GC mix 1 consists of 6 components, they are (C20:0) methyl arachidate 40%, (C12:0) methyl dodecanoate 5%, (C14:0) methyl myristate 5%, (C18:1 [cis9]) methyl oleate 20%, (C16:0) methyl palmitate 10% and (C18:0) methyl stearate 20%.