Aromas from Quebec. I. Composition of the essential oil of the rhizomes of Acorus calamus L.

Abstract

The chemical composition of the essential oil obtained from the rhizomes of Acorus calamus (sweet flag) collected in the Grondines region, Province of Quebec, was determined by GC/FID and GC/MS analyses. Several components were isolated by liquid chromatography and were identified by various NMR experiments such as: ¹H-NMR, ¹³C-NMR, HSQC, HMBC, and NOESY. The major compounds were identified as preisocalamenediol, acorenone, shyobunone, and cryptoacorone. The complete stereochemical structure of cryptoacorone was elucidated

Key Word Index:

• Acorus calamus
• Araceae
• essential oil composition
• preisocalamenediol
• acorenone
• shyobunone
• epi-acorone
• stereochemistry
• cryptoacorone