INTRODUCTION Marine ecosystem offers a huge potential in the naturally based pharmacopoeia of this century. Natural products continue to be a major source of pharmaceuticals and for the discovery of new molecular structures. Many organisms from these environments have been found to produce antibiotic compounds. Marine invertebrates rely solely on innate immune mechanisms for host defense is a spectacular resource for the development of new bioactive compounds, and have been recognized to offer a source of potential antimicrobial drugs.[1,2,3&4]
Cephalopods are considerably important as a food resource as well as in scientific investigations. There is an ever continuous and urgent need to discover new antimicrobial compounds with diverse chemical structures, novel mechanisms of action due to the alarming increase in the incidence of both new and emerging infectious diseases and the permanent resistance of microorganisms to available drugs. This increase in resistance is a global problem, no country is immune to this condition and all major bacterial pathogens have acquired resistance to at least one or more drugs