holds a promising antimicrobial activity The antibacterial activ ity of different extracts from the leaves of O. gratissimum was also tested against Staphylococcus aureus, E. coli, Salmonella typhi and
Salmonella typhimurium, pathogenic bacteria that cause diarrhoea [15]. The ethanolic extract of O. sanctum at different concentrations
was found to be effective against Streptococcus mutans in an in vitro study. Tulsi leaves have been reported to show strong antifun gal activities against the Aspergillus species [16]. Microorganisms
develop resistance against various available synthetic antibiotics.
Therefore, phytochemicals from various Ocimum sp. can be isolated