Chemical Investigations in Guayule. I. Essential Oil of Guayule, Parthenium argentatum, Gray

Aside from the identification of α-pinene by Alexander, very little is known about the essential oil of the guayule rubber plant. This meager chemical knowledge could not furnish a sound basis for the understanding of the injurious effects of the oil on rubber, of its role in the plant, and of its possibilities as a by-product in the guayule rubber industry. The following investigation was carried out to fill this gap in the chemical knowledge of the oil.