The essential oil composition of the aerial parts of Anemia tomentosa var. anthriscifolia (Anemiaceae) was characterized by GC–MS. Total volatile oil yield extracted by steam distillation was 0.2% dry weight basis. The volatile oil was composed mainly of sesquiterpenes (75%, as the relative percentage of the total essential oil) with lower amounts of monoterpenes (15%); no phenylpropanoids were detected. The sesquiterpenes were composed mainly of oxygenated components (67%), including α ‐bisabolol (51%), spathulenol (1%), caryophyllene oxide (3%), α ‐bisaboloxide (1%) and 14‐hydroxy‐9‐epi‐( E )‐caryophyllene (1%). The monoterpenes were dominated by neral (5%) and geranial (7%), with lower amounts of α ‐pinene, camphene, 6‐methyl‐5‐hepten‐2‐one, 1,8‐cineole and pinocarveol. This is the first report of the essential oil accumulation (0.2%) and volatile composition in the aromatic fern A. tomentosa .
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Juliani et al. (2004) studied this question.
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