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Table 1 The optimized MS/MS transitions and energy parameters of analytes

From: Simultaneous determination of six active metabolites in Astragalus mongholicus (Fisch.) Bge. under salt stress by ultra-pressure liquid chromatography with tandem mass spectrometry

Analyte DP (V) CE (V) CXP (V) Precursor (amu) Product (amu)
Astragaloside IV 117 81 17 806.9 [M + Na]+ 627.1 [M–C6H11O5–OH + Na]+
cycloastragenol 85 20 12 491.3 [M + H]+ 143.0 [M–C22H36O3 + H]+
Calycosin-7-O-β-d-glucoside 104 24 8 446.9 [M + H]+ 284.2 [M–C6H11O5 + H]+
Calycosin 117 33 17 285.0 [M + H]+ 269.9 [M–CH3 + H]+
Ononin 111 28 15 431.0 [M + H]+ 268.2 [M–C6H11O5 + H]+
Formononetin 80 50 17 269.0 [M + H]+ 196.2 [M–OH–CO–OCH3 + H]+
Scutellarin 100 29 8 463.0 [M + H]+ 287.0 [M–C6H8O6 + H]+