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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제31권 제2호
- 발행연도
- 2021.1
- 수록면
- 338 - 347 (10page)
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초록· 키워드
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Polyhydroxyalkanoates (PHA) are a family of microbial polyesters that are used as biodegradable plastics in replacement of conventional plastics for various applications. However, the high production cost is the barrier for PHA market expansion. This study aimed to utilize food waste as low-cost feedstock to produce poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) by Haloferax mediterranei. The effects of acetate (Ac), propionate (Pr), butyrate (Bu), and the short-chain carboxylates derived from food waste were examined on the microbial growth and PHBV production. Results showed that a mixture of carboxylates provided a 55% higher PHBV yield than glucose. The food-waste-derived nutrients achieved the yields of 0.41 to 0.54 g PHBV/g Ac from initial loadings of 450 mg/l to 1,800 mg/l Ac of total carboxylates. And the consumption of individual carboxylate varied between different compositions of the carbon source. The present study demonstrates the potential of using food waste as feedstock to produce PHBV by Haloferax mediterranei, which can provide economic benefits to the current PHA industry. Meanwhile, it will also help promote organic waste reduction in landfills and waste management in general.
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참고문헌 (45)
참고문헌 신청
European Bioplastics / Bioplastic Market Data
Criddle CS / 2014 / Renewable bioplastics and biocomposites from biogas methane and waste-derived feedstock:development of enabling technology, life cycle assessment, and analysis of costs
Geyer R / 2017 / Production, use, and fate of all plastics ever made / Sci. Adv 3:e1700782
US EPA / Plastics: Material-Specific Data | Facts and Figures about Materials, Waste and Recycling | US EPA
Reddy CSK / 2003 / Polyhydroxyalkanoates : an overview / Bioresour. Technol 87:137~146
Criddle CS / 2014 / Renewable bioplastics and biocomposites from biogas methane and waste-derived feedstock:development of enabling technology, life cycle assessment, and analysis of costs
Geyer R / 2017 / Production, use, and fate of all plastics ever made / Sci. Adv 3:e1700782
US EPA / Plastics: Material-Specific Data | Facts and Figures about Materials, Waste and Recycling | US EPA
Reddy CSK / 2003 / Polyhydroxyalkanoates : an overview / Bioresour. Technol 87:137~146
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