and PHA production costs are gradually declining.

polyhydroxyalkanoate (pha) is a polymer biomaterial that is widely found in microbial cells such as bacterial cells (similar to bacterial fats). pha has good biocompatibility, gas barrier properties, and natural degradability. it has broad application prospects in the fields of packaging materials, tissue engineering materials, sustained-release materials, electrical materials, agriculture, cosmetics, and medical materials. in…