Table II.

Ions detected for quantification of specific GAs and the deuterated analogues used as internal standards

GAIons HR-SIMSRM
GA1 506.2520; 448.2101506–448
[2H2]-GA1 508.2645; 450.2227506–207
GA3 504.2364; 370.1961504–370
[2H2]-GA3 506.2489; 372.2086506–372
GA4 284.1776; 224.1565418–390
[2H2]-GA4 286.1902; 226.1691420–392
GA5 416.2020; 299.1645416–299
[2H2]-GA5 418.2145; 301.1770418–301
GA6 432.1968; 303.1417432–303
[2H2]-GA6 434.2091; 305.1540432–207
GA9 298.1570; 270.1620298–270
[2H2]-GA9 300.1690; 272.1740300–272
GA19 434.2489; 375.2355434–375
[2H2]-GA19 436.2614; 377.2481436–377
GA20 418.2176; 375.2355418–375
[2H2]-GA20 420.2301; 377.2481420–377
GA24 314.1789; 286.1930314–286
[2H2]-GA24 316.1914; 288.2055316–288
GA34 506.2520; 289.1440506–289
[2H2]-GA34 508.2645; 291.1565508–291

Ions used for HR-SIM measurements and detected transitions for SRM measurements are shown. The specific ions were detected in the time range when the specific GA eluted on the GC.