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Abstract
Different parts of Acorus calamus L. (Araceae) and Asarum europeaum L. (Aristolochiaceae) growing in Poland were subjected to headspace-SPME (HS-SPME) and the same plant material were hydrodistilled (HD) to obtain the profiles of their volatile constituents. In both cases, compounds of essential oils and headspace volatiles were identified and quantified by GC and GC/MS. The results showed that the similar compounds were detected in the vapor phases and in the oils derived from both plants. The 68 compounds in the oil and 40 in SPME headspace of A. calamus were identified representing 99.3% and 97.3% of the total components detected, respectively. The main constituents of the oil of A. calamus were acorenone (14.6%), shyobunone isomer (10.5%) and (Z)-asarone (10.4%). The acorenone integrated with (E)-asarone (50.1%), 6,11-oxidoacor-4-ene (9.0%), iso-caryophyllene (8.6%) were found as the main constituents in the SPME phase of A. calamus. The analysis of the oil and the SPME headspace of roots of A. europaeum led to detection of 34 and 34 compounds representing 86.9% and 80.5% of the total components detected, respectively. The main compounds of the oil were (E)-asarone, 59.1% and bornyl acetate, 7.5%. And the leading constituents of SPME phase of roots were (E)-asarone, 57.3% and bornyl acetate, 8.3%.