phillyrin

from The Century Dictionary.

• noun A crystalline glucoside, C₂₆H₃₂O₁₁ + 1½ H₂O(?), found in the bark of Phillyrea latifolia. When hydrolyzed with dilute acids it yields glucose and phillygenin.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Chem.) A glucoside extracted from Phillyrea as a bitter white crystalline substance. It is sometimes used as a febrifuge.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun organic chemistry A glucoside extracted from Phillyrea as a bitter white crystalline substance, sometimes used as a febrifuge.