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. 2019 May 14;10:1038. doi: 10.3389/fmicb.2019.01038

FIGURE 5.

FIGURE 5

Isobologram analysis of binary combinations of cinnamon oil/ZnO NPs (A), cinnamon oil/encapsulated curcumin (B), ZnO NP/encapsulated curcumin (C) against C. jejuni strain F380I1 after 3 h treatment at 37°C in a microaerobic condition. The additive lines connect the IC50 of each single antimicrobial. Axial points show the IC50 of antimicrobial combinations. An axial point on the additive line indicates additive interaction. An axial point under the additive line indicates synergistic interaction (n = 3, duplicates).