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The volatiles of Calamintha nepeta subsp. glandulosa


Phytochemistry 25(3): 691-694
The volatiles of Calamintha nepeta subsp. glandulosa
The volatiles of C. nepeta subsp. glandulosa were studied by analysis of the essential oil and of the headspace (after concentration of Tenax GC). Amongst the 27 compounds identified in the essential oil, up to 92% consisted of piperitone oxide and piperitenone oxide, the relative concentrations of which depended on the maturity of the plants. The weak fragrance of the intact plant originated mainly from limonene and piperitone oxide. During the preparation of the essential oil, trans-sabinene hydrate and piperitone oxide isomerized in part into terpinen-4-ol and 4-hydroxypiperitone, respectively.

Accession: 001496473

DOI: 10.1016/0031-9422(86)88025-6

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