tyrosol derivative having the formula X, wherein R2 is an hydroxyl group, R3 is an hydrogen, and R1 is an hydroxyl group protected with an acetic acid chain via an ester bond. [0039] (7) 2-(4-Hydroxyphenyl) ethyl oleate, a tyrosol derivative having the formula XI, wherein R2 is an hydroxyl group, R3 is an hydrogen, and R1 is an hydroxyl group protected with an oleic acid chain via an ester bond. [