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. 2024 Jan 19;16(2):307. doi: 10.3390/nu16020307

Figure 3.

Figure 3

Identification of some polyphenolic components of Peaks 2–4 from fractionated AFPE by RP-HPLC analysis: (a) RP-HPLC elution profile of polyphenols used as reference standards: 1, gallic acid (Rt = 6.92; 40 nmol); 2, (+)-catechin (Rt = 16.28; 40 nmol); 3, chlorogenic acid (Rt = 18.48; 40 nmol); 4, caffeic acid (Rt = 21.30; 40 nmol); 5, (–)-epicatechin (Rt = 25.37; 40 nmol); 6, coumaric acid (Rt = 30.12; 40 nmol); 7, quercetin (Rt = 35.03; 40 nmol). (b–d) RP-HPLC elution profiles of organic compounds from Peaks 2, 3, and 4, respectively.