Research Article

Quantitative Determination of p-Cymene, Thymol, Neryl Acetate, and β-Caryophyllene in Different Growth Periods and Parts of Eupatorium fortunei Turcz. by GC-MS/MS

Table 1

Target ion pair, reference ion pairs, and collision voltage of compounds.

CompoundsTarget ions (m/z)Collision voltage (eV)Reference ions 1 (m/z)Collision voltage (eV)Reference ions 2 (m/z)Collision voltage (eV)

p-Cymene119 > 91.115134 > 119.19119 > 117.112
Thymol135 > 91.118150 > 135.19135 > 115.115
Neryl acetate93 > 77.11293 > 91.11293 > 51.124
β-Caryophyllene93 > 77.11293 > 91.1991 > 65.115