Water-distilled essential oils from whole and crushed fruits of Prangos ferulacea were analyzed by GC and GC/MS. Twenty-three compounds were identified representing 85.32% to 93.83% of the oils. Crushed and whole fruits yielded oils rich in γ-terpinene (30.22% and 33.27%) and α-pinene (16.71% and 12.83%), respectively. Germacrene B (30.30%) and γ-terpinene (17.17%) were the major constituents in the oil obtained by redistilling the already distilled whole fruits after crushing.
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Başer et al. (1996) studied this question.
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