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Molecules 2007, 12(2), 149-154; doi:10.3390/12020149

Comparative Chemical Analysis of the Essential Oil Constituents in the Bark, Heartwood and Fruits of Cryptocarya massoy (Oken) Kosterm. (Lauraceae) from Papua New Guinea

1
Chemistry Department, University of Papua New Guinea, P.O. Box 320, University, Papua New Guinea
2
Faculty of Science, University of Goroka, P.O. Box 1078, Goroka, Papua New Guinea
3
Center for Phytochemistry and Pharmacology, Southern Cross University, P.O. Box 157, Lismore, NSW 2480, Australia
*
Author to whom correspondence should be addressed.
Received: 8 November 2006 / Revised: 20 December 2006 / Accepted: 3 February 2007 / Published: 5 February 2007
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Abstract

Exhaustive hydro-distillation of the bark, heartwood and fruits of Cryptocarya massoy (Lauraceae) afforded pale yellow-coloured oils in 0.7, 1.2 and 1.0 % yields, respectively. Detailed chemical evaluation of these distillates using GC/MS revealed the major components in the bark and the heartwood oils to be the C-10 (5,6-dihydro-6-pentyl-2H-pyran-2-one) and C-12 (5,6-dihydro-6-heptyl-2H-pyran-2-one) massoia lactones, while the major fruit oil constituent was benzyl benzoate (68.3 %). The heartwood also contained trace amounts of the C-14 (5,6-dihydro-6-nonyl-2H-pyran-2-one) massoia lactone (1.4 %) and the saturated C-10 derivative d-decalactone (2.5 %). View Full-Text
Keywords: Cryptocarya massoy; Lauraceae; massoia lactones; 5; 6-dihydro-6-pentyl-2H-pyran-2-one (C-10 massoia lactone); benzyl benzoate; 5; 6-dihydro-6-heptyl-2H-pyran-2-one (C-12 massoia lactones); essential oil analysis; α; β-unsaturated δ-lactone; 5; 6-dihydro-6-nonyl-2H-pyran-2-one (C-14 massoia lactones); δ-decalactone. Cryptocarya massoy; Lauraceae; massoia lactones; 5; 6-dihydro-6-pentyl-2H-pyran-2-one (C-10 massoia lactone); benzyl benzoate; 5; 6-dihydro-6-heptyl-2H-pyran-2-one (C-12 massoia lactones); essential oil analysis; α; β-unsaturated δ-lactone; 5; 6-dihydro-6-nonyl-2H-pyran-2-one (C-14 massoia lactones); δ-decalactone.
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Rali, T.; Wossa, S.W.; Leach, D.N. Comparative Chemical Analysis of the Essential Oil Constituents in the Bark, Heartwood and Fruits of Cryptocarya massoy (Oken) Kosterm. (Lauraceae) from Papua New Guinea. Molecules 2007, 12, 149-154.

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