Simultaneous Determination of Fifteen Polyphenols in Fruit Juice Using Ultrahigh-Performance Liquid Chromatography-Tandem Mass Spectrometry Combining Dispersive Liquid-Liquid Microextraction

Figure 1

UPLC-MS/MS chromatogram of polyphenolic compounds in full scan mode (a) and MRM scan mode (b). The peak no. was as shown in Table 1, and DFA was used as IS.

(a)

(b)