... and petitgrain oil[1]. There are three isomers, alpha-, beta-, and gamma-terpineol, the last two differing only by the location ... usually a mixture of these isomers with alpha-terpineol as the major constituent.Alpha Terpineol has a pleasant odor similar to lilac ... is a common ingredient in perfumes, cosmetics, and flavors. Alpha Terpineol is widely used for Solvent for ethylcellulose, Plasticizer for ...