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. 2025 Sep 17;15(40):33816–33829. doi: 10.1039/d5ra05758b

Table 2. Antibacterial activity of toxyloxanthone C and macluraxanthone derivatives.

Compound MIC (μg mL−1)
MRSAa S. aureus b B. subtilis c B. cereus d
1a 4 4 4 4
1b 8 8 8 16
1c >128 >128 >128 >128
1d >128 >128 >128 >128
1e >128 >128 >128 >128
1f 4 4 4 4
2a 8 16 32 16
2b >128 >128 >128 >128
2c >128 >128 >128 >128
2d >128 >128 >128 >128
2e >128 >128 >128 >128
2f >128 >128 >128 >128
2g >128 >128 >128 >128
1 128 128 128 128
2 16 >128 64 64
Vancomycin 2 2 2 1
a

Methicillin resistant Staphylococcus aureus

b

S. aureus ATCC 25923.

c

Bacillus subtilis ATCC 6633.

d

Bacillus cereus ATCC 11778.