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

Table 4.

Antimicrobial activity of U. tomentosa extracts against potential respiratory pathogens.

IC50 (μg/mL)
Sample Location S. aureus ATCC 5923 E. faecalis V583 P. aeruginosa PSP
Leaves
Los Chiles 312 1164 1012
Palacios 516 1444 521
Sarapiquí 603 2095 475
Stems
Palacios 380 6831 n.e
Sarapiquí 396 1383 417
Bark
Palacios 490 n.e. n.e.
Sarapiquí 133 395 152
Wood
Palacios 1688 1112 449
Sarapiquí 2774 n.e. 811