An aqueous extract of A. paniculata was reported by Singha et al.
(14) to inhibit both Gram-positive and Gram-negative bacteria including
Bacillus cereus, Escherichia coli, and Pseudomonas aeruginosa.
They also mentioned that antimicrobial activity of aqueous extract of A.
paniculata may be due to the combined effect of arabinogalactan proteins
and andrographolides. Although the use of A. paniculata to control
diseases in fish has not been previously reported, the results from this
study and reports on its effective medicinal application in human,
encouraged in vivo trials of this herb in fish infected with S. agalactiae