Analysis of the volatile essential oils of Murraya koenigii and Pandanus latifolius |
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Authors: | Alexander J MacLeod Nirmala M Pieris |
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Institution: | Department of Chemistry, Queen Elizabeth College, University of London, Campden Hill Road, London W8 7AH, U.K. |
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Abstract: | Using well-established techniques, samples were obtained of the volatile essential oils of the two types of curry leaf, Murraya koenigii and Pandanus latifolius. Both contained mainly terpenes, and M. koenigii produced less than 4% of other components with eight monoterpene hydrocarbons (ca 16%) and 17 sesquiterpene hydrocarbons (ca 80%) being obtained. The most important constituents of M. koenigii are β-caryophyllene, β-gurjunene, β-elemene, β-phellandrene and β-thujene. The volatile essential oil of P. latifolius also contained mainly sesquiterpene hydrocarbons (6–42%) but the only monoterpene was linalool (ca 6%). Nearly 2000 times the total quantity of aroma volatiles was produced by M. koenigii compared with P. latifolius, and this partly explains the observed stronger flavour potency of the former. |
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Keywords: | Rutaceae Pandanaceae curry leaves essential oils |
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