Simultaneous Determination of Salicylic Acid, Jasmonic Acid, Methyl Salicylate, and Methyl Jasmonate from Ulmus pumila Leaves by GC-MS

Figure 2

MS total ion (TIC) for 10 μg/mg signal compounds and internal standard solution (a) and SIM chromatograms obtained from standard solution (b–f).

(a)

(b)

(c)

(d)

(e)

(f)