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PMC full text: | Published online 2016 Oct 15. doi: 10.3390/molecules21101374
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Figure 1
![](./Figure_1_files/molecules-21-01374-g001.jpg)
Common phenolic compounds in plants comprise an aromatic ring, bear one or more hydroxyl substituents and range from simple phenolic molecules to highly polymerized compounds (modified from Velderrain-Rodríguez et al., 2014) [2].