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. 2025 May 8;15(1):28. doi: 10.1007/s13659-025-00513-y

Table 1.

MIC of xanthanolides (mg/mL)

Isolated compounds S. aureus ATCC 25923 E. coli ATCC 25922 C. albicans ATCC 10231
8-epi-xanthatin 0.50–0.25 > 1 0.25–0.125
Xanthatin 0.50–0.25 > 1 0.25–0.125
Isoxanthanol 0.25–0.125 > 1 1
8-epi-isoxanthanol 0.125 > 1 > 1
Ivalbin > 1 > 1 > 1
8-epi-ivalbin > 1 > 1 > 1
Ampicillin 1.6 × 10–4 5 × 10–2 NT
Ketoconazole NT NT 3.4 × 10–3

NT: Not tested