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. 2017 Feb 4;6(1):12. doi: 10.3390/antiox6010012

Figure 6.

Figure 6

Linear correlation between total proanthocyanidin content and antioxidant capacity (ORAC value) (a), citotoxicity (IC50) to AGS cells (b), and antimicrobial activity (IC50) against S. aureus (c) of U. tomentosa extracts.