stearopten

Chemically, the Feverfew furnishes a blue volatile oil; containing a camphoraceous stearopten, and a liquid hydrocarbon, together with some tannin, and a bitter mucilage.

Herbal Simples Approved for Modern Uses of Cure William Thomas Fernie

When cultivated, it yields from its leaves and tops an essential oil which includes a chemical principle, or "stearopten."

Herbal Simples Approved for Modern Uses of Cure William Thomas Fernie

In some cases stearopten or other wax is added, to render the oil more similar in appearance to the natural article, but as these are inodorous, no advantage is gained in this way, and there is, further, the inconvenience in cold weather of having to first melt the oil before use.

The Handbook of Soap Manufacture H. A. Appleton

The principal constituents of the oil are limonene and citral, together with small quantities of pinene, phellandrene, octyl and nonyl aldehydes, citronellal, geraniol, geranyl acetate, and the stearopten, citraptene.

The Handbook of Soap Manufacture H. A. Appleton