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Effect of nitrogen source on curdlan production by Alcaligenes faecalis ATCC 31749.

Abstract：

:This study aims to investigate the effect of nitrogen source on curdlan production by Alcaligenes faecalis ATCC 31749. Curdlan production fell when excess nitrogen source was present, while biomass accumulation increased as the level of nitrogen source raised. Curdlan production and biomass accumulation were greater with urea compared with those with other nitrogen sources. The highest production of curdlan and biomass accumulation by A. faecalis ATCC 31749 was 28.16 g L(-1) and 9.58 g L(-1), respectively, with urea, whereas those with NH(4)Cl were 15.17 g L(-1) and 6.25 g L(-1), respectively. The optimum fermentation time for curdlan production was also affected by the nitrogen source in the medium.

journal_name

Int J Biol Macromol

journal_title

International journal of biological macromolecules

authors

Jiang L

doi

10.1016/j.ijbiomac.2012.10.010

subject

Has Abstract

pub_date

2013-01-01 00:00:00

pages

218-20

eissn

0141-8130

issn

1879-0003

pii

S0141-8130(12)00407-2

journal_volume

52

pub_type

杂志文章

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