Table 3.

Antimicrobial activity of neat PHB fibers, A/S mixture-loaded PHB fibers and the mixture of A/S against S. epidermidis LMG 10474 and S. aureus LMG 8224.

Zone of inhibition (mm)
Bacterial strains	A/S mixture (30 μg)	PHB neat	PHB + A/S mixture 0.15%	PHB + A/S mixture 0.5%	PHB+A/S mixture 3.2%	PHB+A/S mixture 6.9%	PHB+A/S mixture 13.7%
S. epidermidis LMG 10474	10.29 ± 0.20	—	—	—	11.55 ± 0.37	10.02 ± 0.18	11.81 ± 0.42
S. aureus LMG 8224	10.22 ± 0.75	—	—	—	10.84 ± 0.36	9.62 ± 0.76	13.72 ± 1.15

(–) indicates that no zone of inhibition was observed.