Volatile Organic Compounds in Dactylorhiza Species

HS-SPME-GC–MS analysis of the scent of Dactylorhiza viridis revealed the presence of verbenone (28.86%), caryophyllene (25.67%), β-terpineol (9.48%), and δ-cadinene (6.94%). In the scent of Dactylorhiza romana β-ocimene (18.69%), pentadecane (18.40%), α-farnesene (14.65%), and isopropyl 14-methylpentadecanoate (14.32%) were found. Dactylorhiza incarnata contained tetradecane (11.07%), pentadecane (28.40%), hexadecane (19.53%), heptadecane (17.33%), and α-cubenene (11.48%). Analysis of Dactylorhiza saccifera showed the presence of caryophyllene (17.38%), pentadecane (6.43%), hexadecane (6.13%), and heptadecane (5.08%). Finally, the aroma components found in Dactylorhiza sambucina were caryophyllene (12.90%), β-sesquiphellandrene (32.16%), 4,5-di-epi-aristolochene (10.18%).