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Abstract
This study aimed to investigate the chemical composition of the essential oils from different parts (leaves, stems, roots) of Aristolochia petelotii O. C. Schmidt. 91 constituents were identified, representing 65.39-76.30 % of total oil. Safrole (1.45-10.00 %), spathulenol (1.84-6.61%), α-ylangene (0.28-3.81 %), and borneol (0.15-3.75 %) were principal compounds in all essential oils studied. Specifically, the essential oils from the stems and roots of A. petelotii were characterized by high proportions of lepidozenal (16.61 & 22.04 %), acorenol (4.29 & 6.39 %), camphene (4.89 & 6.07 %), and bornyl acetate (4.06 & 4.26%), while safrole (10 %), linalool (6.99 %), spathulenol (6.61 %), and menthol (5.64 %) were main compounds in leaves. To the best of our knowledge, the chemical composition of A. petelotii was investigated and described here for the first time.