From: The anti-Staphylococcus aureus activity of the phenanthrene fraction from fibrous roots of Bletilla striata
Drug concentration in μg/mL
PAE (h) mean ± SD
S. aureus ATCC 29213
S. aureus ATCC 43300
16 (1× MIC)
1.53 ± 0.08
0.28 ± 0.04
32 (2× MIC)
1.87 ± 0.02
0.30 ± 0.06
64 (4× MIC)
2.00 ± 0.05
0.38 ± 0.06