Foliage sesquiterpenes of Dacrydium cupressinum: identification,variation and biosynthesis |
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Authors: | Katherine M. Berry Nigel B. Perry Rex T. Weavers |
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Affiliation: | Department of Chemistry, University of Otago, Box 56, Dunedin, New Zealand |
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Abstract: | The major sesquiterpenes in the foliage of Dacrydium cupressinum are α-longipinene, longifolene, longibornyl acetate, caryophyllene, caryophyllene oxide, humulene, α- and β-selinene, β- and δ-elemene, aromadendrene and the rare 9βH-caryophyllene. Sesquiterpene levels vary greatly from tree to tree. As this variation is largely independent of environmental factors, genetic control is proposed. Longifolene and α-longipinene levels are closely correlated, as are those of caryophyllene and humulene. The biosynthetic implications of these correlations are discussed. |
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Keywords: | Podocarpaceae infraspecific variation sesquiterpenes biosynthesis 9βH-caryophyllene. |
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