Fifteen compounds were identified in the essential oil of Hyptis crenata Po
hl, which was analyzed by GC/MS. The main oil components were alpha-pinene
(15.5%), beta-pinene (10.5%), camphor (17.3%), and beta-caryophyllene (10.7
%). The volatile concetrate isolated from the distillation water contained
1,8-cineole (11.9%), camphor (37.3%) and beta-caryophyllene (14.7%).