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Production of filmable medium-chain-length polyhydroxyalkanoates produced from glycerol by Pseudomonas mediterranea.

Abstract：

:Glycerol is an effective carbon source for the production of scl- and mcl-polyhydroxyalkanoates (PHAs) by Pseudomonas spp. P. mediterranea 9.1 (CFBP 5447) synthesizes an amorphous mcl-PHA when grown on crude glycerol, whereas on both reagent grade (RG) and partially refined (PR) glycerol, it produces two very similar distinctive mcl-PHAs with the unusual property of producing, with the appropriate treatment, a transparent film. Mcl-PHAs recovered after biomass extraction have an average molecular weight of approximately 56,000/63,000 Da. The monomer composition and physicochemical properties of such mcl-PHAs suggest their potential application as a softener of biopolymeric blends for food packaging and medical devices.

journal_name

Int J Biol Macromol

journal_title

International journal of biological macromolecules

authors

Pappalardo F,Fragalà M,Mineo PG,Damigella A,Catara AF,Palmeri R,Rescifina A

doi

10.1016/j.ijbiomac.2014.01.014

subject

Has Abstract

pub_date

2014-04-01 00:00:00

pages

89-96

eissn

0141-8130

issn

1879-0003

pii

S0141-8130(14)00015-4

journal_volume

65

pub_type

杂志文章

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