Antimicrobial activity (MIC/MBC and MFC in µg/mL) for Chelerythrine (10) and 2,3-dihydroxy chelerythrine derivative (14).

*(ATCC = American Type Culture Collection): Bacteria: Staphylococcus aureus- Sa (ATCC 6538); Bacillus cereus-Bc (ATCC 33019); Bacillus subtilis-Bs (ATCC 6633); Enterococcus spp.-Es (ATCC 6589); Enterobacter aerogenes-Ea (ATCC 13048); Escherichia coli-Ec (ATCC 25922); Pseudomonas aeruginosa-Pa (ATCC 27853); Enterobacter cloacae-E.cloacae (ATCC 1304); Shigella sonnei-Ss (ATCC 25931); Salmonella typhimurium-St (ATCC 14028); Burkholderia cepacia-B.cepacia (ATCC 17759); Morganella morganii-Mm (ATCC 25829); Yeasts: Candida albicans-Ca (ATCC 10231); Candida tropicalis-Ct (ATCC 18803); Candida krusei-Ck (ATCC 6258); Candida parapslosis-Cp (ATCC 22018); Sacharomyces cerevisae-Sc (ATCC 2601); Cryptococcus neoformans-Cn (ATCC 28952); Cryptococcus gatti-Cg (ATCC 2601). NT = not tested; Ampicillin and Azithromycin for bacteria and Nystatin for yeasts.