Essential oil composition of Acorus calamus L. from the lower region of the Himalayas



The rhizomes and leaf oils of Acorus calamus L. were analysed by GC and GC–MS; 29 and 30 constituents were identified from the rhizome and leaf oils, respectively, comprising 99.7% of each of the oils β-Asarone (83.2%) and α-asarone (9.7%) were the major constituents in the rhizome oil, while β-asarone (85.6%) and linalool (4.7%) were the major constituents in the leaf oil. Copyright © 2002 John Wiley & Sons, Ltd.