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. 2016 Feb 19;2(2):e00073. doi: 10.1016/j.heliyon.2016.e00073

Fig. 3.

Fig. 3

Reversed-phase HPLC-UV chromatograms at 280 nm of the products formed in the phloroglucinolysis reaction of the PRF of apple skin (a), and the standards of PB2 (b) and PB1 (c) at 50 °C for 20 min.