Norsanguinarine has antifungal activity, it exhibits 100 % inhibition of A. brassicicola and C. maculans at 1000 ppm whereas. It shows significant cytotoxic activities (ED (50) values < 4 microg ml) against P-388, KB16, A549, and HT-29 cell lines.
Norchelerythrine shows significant inhibitory activity against Staphylococcus aureus ATCC 6538 with MIC values ranging from 12.5 to 50 ug mL. It exhibits strong antifeeding activity in a concentration-dependant manner with the EC50 of 62.67 ppm.
Oxychelerythrine shows high modulatory activity enhancing the susceptibility of the S. aureus ATCC 6538 to all the tested antibiotics from two to four-fold. It also shows antifeeding activities against Tribolium castaneum adults, with the EC50 of 192.32 p
6-Ethoxychelerythrine (Ethoxychelerythrin) has anti-bacterial activity, it exhibited strong activity against Aspergillus fumigatus and methicillin-resistant Staphylococcus aureus (MRSA).