Keywords: Bioplastics, biopolyester, polyhydroxyalkanoates,PHA,copolymer,Nile blue
Introduction
Petroleum-derived plastics industry has become one of the fastest growing sectors of the
world economy since petroleum-derived plastics, non-biodegradable, are widely utilized in almost
every manufacturing industry and household. It is estimated that nearly 150 million tons [1] of the
plastiCS are produced every year, and it was reported that several hundred thousand tons of
plastics are annually discarded into marine environments and accumulate in oceanic region.
Increasing accumulation of plastic wastes in the environment and its ecological deterioration has