Research Article
Synchronized Survey Scan Approach Allows for Efficient Discrimination of Isomeric and Isobaric Compounds during LC-MS/MS Analyses
Figure 3
Product ion spectra and fragmentation pathway of diCQA positional isomers: (a) 3,4-diCQA, (b) 3,5-diCQA, and (c) 4,5-diCQA detected in Bidens pilosa plant extracts. Product ion spectra and fragmentation pathway of CQA glycoside positional isomers: (d) 3-O-(4′-O-caffeoyl glucosyl) quinic acid and (e) 4-O-(4′-O-caffeoyl glucosyl) quinic acid detected in Moringa oleifera plant extracts.
(a) |
(b) |
(c) |
(d) |
(e) |