Chemical Composition of the Pericarp Oil ofZanthoxylum armatumDC.

ABSTRACT Essential oil from the pericarp of the fruit of Zanthoxylum armatum DC. (syn. Z. alatum Roxb.), which grows wild in the U.P. hills was examined by GC and GC/MS. The oil (10–12%) was found to contain 25 constituents which represent 99.6% of the total oil. The major constituents were linalool (72%), methyl cinnamate (12.2%), limonene (6.2%) and β-phellandrene (5.3%).