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KMID : 0380019950100040406
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Korean Journal of Biotechnology and Bioengineering
1995 Volume.10 No. 4 p.406 ~ p.417
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Production and Application of Polyhydroxyalkanoates
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이상엽/Lee, Sang Yup
이영/최종일/Lee, Young/Choi, Jong Il
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Abstract
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Polyhydroxyalkanoates[PHAs] are the polyester of hydroxyalkanoates(HAs) synthesized by numer. ous bacteria as an intracellular carbon and energy storage compound and accumulated as granules in the cytoplasm of the cells under unbalanced growth condition in the presence of excess carbon source. Even though PHAs have been recognized as good candidates for biodegradable plastics, their high price compared with conventional plastics has limited their use in a wide range of applications. To reduce the high production cost of PHAs, many group of scientists have devoted much efforts to improve produc tivity by employing various microorganisms and by developing efficient culture techniques. The strate gies of producing PHAs to a high concentration with high productivity and their potential applications are reviewed.
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