Chemical Class UN (#/%) SB (#/%) KC (#/%) SG (#/%) TP (#/%)
Monoterpene Hydrocarbons 2 / 2.9 3 / 4.4 6 / 30.9 - 4 / 58.5
Oxygenated Monoterpenes 12 / 4.3 4 / 5.0 11 / 7.5 6 / 0.7 2 / Tr
Sesquiterpene Hydrocarbons 11 / 3.5 9 / 16.2 9 / 7.1 17 / 7.3 4 / 0.5
Oxygenated Sesquiterpenes 6 / 3.0 4 / 7.2 5 / 10.1 5 / 1.1 2 / 8.0
Alkanes + Alkenes 7 / 6.5 5 / 9.1 5 / 16.9 9 / 49.5 1 / Tr
Fatty acids 8 / 7.9 5 / 27.9 3 / 14.6 6 / 27.3 2 / Tr
Others 12 / 44.6 2 / 5.5 5 / 5.3 11 / 11.0 2 / 32.9
TOTAL 58 / 72.7 32 / 75.3 45 / 92.4 54 / 96.9 17 / 99.9
#: number of compound, % relative percentage
Table 2: The chemical class distribution of the oil components of 5 endemic Hypericum species.