【摘要】 聚采β-羟基丁酸（PHB）是细菌细胞内积累的一种能被微生物的酶所降解的一种高分子聚合物，作为细胞内的能源和碳源物质。介绍了PHB的特性和应用情况。PHB的合成机理和主要技术方法，我国PHB的研究进展和展望等。更多还原

【Abstract】 Poly- β-hydroxybutyric acid (PHB) is a kind of high polymer which accumulated in bacterial cell and can be resoved by whcrobial enzyrnes. It is the source of energy and carbon in cells.This paper intnduces the characteristics, application, synthetic mechahism, and main technicalmetheds of the PHB and reviews the advance and prospect of the PHB study.更多还原