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. 2022 Apr 28;27(9):2817. doi: 10.3390/molecules27092817

Table 2.

Statistical analysis of resazurin-based broth microdilution assay for each individual seeding density with different extracts compared to UT.

Birch µg/mL Beech µg/mL Larch µg/mL
CFU/mL 200 400 600 200 400 600 200 400 600
MRSA 100,000 ns **** **** ns **** **** **** **** ****
10,000 ns **** **** ** **** **** **** **** ****
1000 ** **** **** * **** **** **** **** ****
E. coli 100,000 *** ** ns ns ns ns ns ns ns
10,000 * ns ns ns ns ns ns ns ns
1000 **** ns ns * ns ns ns ns ns
CFU/mL 25 50 100 25 50 100 25 50 100
C. acnes 100,000 ns **** **** *** **** **** ns * *
10,000 **** **** **** **** **** **** ns *** ****
1000 **** **** **** **** **** **** ns ns ns
CFU/mL 100 150 300 100 150 300 100 150 300
S. epi 1 100,000 ns * **** ns **** **** * ** *
10,000 ns **** **** **** **** **** * ** *
1000 **** **** **** **** **** **** ns ns ****

1S. epidermidis; Statistical significance: * p < 0.05, ** p < 0.01, *** p < 0.001, **** p < 0.0001.