The Composition of the Volatile Oil Obtained from the Leaves of Torreya nucifera and the Structure of Torreyol

Abstract
It was found that the volatile oil from the leaves of Torreya nucifera contains limonene, 41.4% ; α-pinene, 23.0% ; myrcene, 6.8 ; terpinolene, 0.7% ; 3-carene, 0.3% ; γ-terpinene, 0.1% ; citronellol, 0.7%; terpinen-4-ol, 0.4%; α-terpineol, 0.3%; methyl salicylate, 0.2% ; phenylethyl acetate, 0.1%; δ-cadinene, 13.6%; γ-cadinene, 2.0%; β-elemene, 0.8%; torreyol (δ-cadinol), 3.1%; ( + )-cadinenol, 1.2%; nerolidol, 0.6%; small amounts of linalool and geraniol; two unknown sesquiterpenic hydrocarbons, 1.8%; an unknown sesquiterpene alcohol, 1.0%, and three unidentified carbonyl compounds.

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