The bark essential oils of Zanthoxylum clava-herculis and Ptelea trifoliata (Rutaceae) were obtained by hydrodistillation and analyzed by both gas chromatography as well as chiral gas chromatography coupled with mass… Click to show full abstract
The bark essential oils of Zanthoxylum clava-herculis and Ptelea trifoliata (Rutaceae) were obtained by hydrodistillation and analyzed by both gas chromatography as well as chiral gas chromatography coupled with mass spectrometry. Z. clava-herculis bark oil was dominated by sabinene [47.0%, 95% (–)-sabinene], limonene [18.7%, 99% (+)-limonene], and terpinen-4-ol [12.9%, 75% (–)-terpinen-4-ol]. The major components in P. trifoliata bark oil were limonene [15.2%, 99% (–)-limonene], sabinene [6.9%, 79% (–)-sabinene], and β-phellandrene [6.2%, 87% (–)-β-phellandrene].
               
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