This section is from the "A Manual of Materia Medica and Pharmacology" book, by David M. R. Culbreth. Also available from Amazon: Manual of Materia Medica and Pharmacology.
Cana'rium commu'ne, Manila Elemi, Elemi. -- Philippine Islands. The oleoresin exudes from incisions in the bark of a tall tree; it is soft, yellowish, granular crystalline, when cold friable; odor strong, resembling fennel and lemon, terebinthinate; taste bitter, pungent; contains volatile oil 10-15 p.c., amorphous resin (brein) 60 p.c. (soluble in cold alcohol), crystalline resin (amyrin) 25 p.c., bryoidin, breidin, elemic acid, C35H40O4 (crystalline). Stimulant, irritant; in plaster and ointment.
 
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