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Figure 2 | Chemistry Central Journal

Figure 2

From: Analyses of chlorogenic acids and related cinnamic acid derivatives from Nicotiana tabacumtissues with the aid of UPLC-QTOF-MS/MS based on the in-source collision-induced dissociation method

Figure 2

Representative extracted single ion chromatograms (XIC) of UPLC-MS/MS showing differential elution times of regio - and geometrical isomers of CQAs in methanol extracts of tobacco leaf tissue (A) and cultured cells (B). The cis-3-CQA and trans-3-CQA co-eluted at Rt =4.6-4.7 min.

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