BIOSYNTHESIS AND THERMAL PROPERTIES OF POLY（3-HYDROXYBUTYRATE-co-3-HYDROXYVALERATE）WITH LARGE VARIETY OF HYDROXYVALERATE CONTENTS BY BACILLUS CEREUS

严群; Chung HimYu; Peter Hoi Fu Yu

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BIOSYNTHESIS AND THERMAL PROPERTIES OF POLY（3-HYDROXYBUTYRATE-co-3-HYDROXYVALERATE）WITH LARGE VARIETY OF HYDROXYVALERATE CONTENTS BY BACILLUS CEREUS

Papers | Updated：2021-06-21

- BIOSYNTHESIS AND THERMAL PROPERTIES OF POLY（3-HYDROXYBUTYRATE-co-3-HYDROXYVALERATE）WITH LARGE VARIETY OF HYDROXYVALERATE CONTENTS BY BACILLUS CEREUS
- BIOSYNTHESIS AND THERMAL PROPERTIES OF POLY（3-HYDROXYBUTYRATE-co-3-HYDROXYVALERATE）WITH LARGE VARIETY OF HYDROXYVALERATE CONTENTS BY BACILLUS CEREUS
- 高分子科学（英文版） 2007年第4期页码：341-345
- Affiliations：
  
  1.   Key Laboratory of Industrial Biotechnology Ministry of Education
  2.   Southern Yangtze University
  3.   Department of Applied Biology and Chemical Technology
  4.   The Hong Kong Polytechnic University
  5.   Hung Hom
  6.   Kowloon
  7.   Wuxi 214122
  8.   China
- Author bio：
- Funds：
  
  This work was financially supported by the Hong Kong Polytechnic University （Grant YD37）();the Research Grant Council of the Hong Kong Special Administration Region, China （Nos. Polyu5272/01M, Polyu5257/02M, Polyu5403/03M）()
- DOI：
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严群, Chung HimYu, Peter Hoi Fu Yu. BIOSYNTHESIS AND THERMAL PROPERTIES OF POLY（3-HYDROXYBUTYRATE-co-3-HYDROXYVALERATE）WITH LARGE VARIETY OF HYDROXYVALERATE CONTENTS BY BACILLUS CEREUS[J]. 高分子科学（英文版）, 2007,(4):341-345.

BIOSYNTHESIS AND THERMAL PROPERTIES OF POLY（3-HYDROXYBUTYRATE-co-3-HYDROXYVALERATE）WITH LARGE VARIETY OF HYDROXYVALERATE CONTENTS BY BACILLUS CEREUS[J]. 2007,(4):341-345.
严群, Chung HimYu, Peter Hoi Fu Yu. BIOSYNTHESIS AND THERMAL PROPERTIES OF POLY（3-HYDROXYBUTYRATE-co-3-HYDROXYVALERATE）WITH LARGE VARIETY OF HYDROXYVALERATE CONTENTS BY BACILLUS CEREUS[J]. 高分子科学（英文版）, 2007,(4):341-345. DOI：

BIOSYNTHESIS AND THERMAL PROPERTIES OF POLY（3-HYDROXYBUTYRATE-co-3-HYDROXYVALERATE）WITH LARGE VARIETY OF HYDROXYVALERATE CONTENTS BY BACILLUS CEREUS[J]. 2007,(4):341-345. DOI：

摘要

<正>Biosynthesis and thermal properties of poly（3-hydroxybutyrate-co-3-hydroxyvalerate）（PHBV） with different HV （hydrovalerate） content produced by a Bacillus cereus strain were investigated. A large variety of HV contents （up to about 90 mol%） of PHBV could be produced by this strain. Combined nitrogen sources containing both yeast extract and ammonium sulphate were better for cell growth and polyhydroxyalkanoates （PHA） production than either yeast extract or ammonium sulphate alone. Propionic acid is more favorable for the production of HV content than that of valeric acid. Finally, thermal properties of PHBV produced by this strain are found close to the results of other groups.

Abstract

Biosynthesis and thermal properties of poly（3-hydroxybutyrate-co-3-hydroxyvalerate）（PHBV） with different HV （hydrovalerate） content produced by a Bacillus cereus strain were investigated. A large variety of HV contents （up to about 90 mol%） of PHBV could be produced by this strain. Combined nitrogen sources containing both yeast extract and ammonium sulphate were better for cell growth and polyhydroxyalkanoates （PHA） production than either yeast extract or ammonium sulphate alone. Propionic acid is more favorable for the production of HV content than that of valeric acid. Finally, thermal properties of PHBV produced by this strain are found close to the results of other groups.

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