Oxalic acid production from lipids by a mutant of Aspergillus niger at different pH

被引:20
|
作者
Rymowicz, W [1 ]
Lenart, D [1 ]
机构
[1] Agr Univ Wroclaw, Dept Biotechnol & Food Microbiol, PL-50375 Wroclaw, Poland
关键词
Aspergillus niger; biosynthesis; oxalic acid; plant oils;
D O I
10.1023/A:1024082130677
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Crude rapeseed oil and post-refining fatty acids were used as substrates for oxalic acid production by a mutant of Aspergillus niger. Both the final concentration and the yield of the product were highest at pH 4 to 5. With a medium containing 50 g lipids l(-1), production reached a maximum of 68 g oxalic acid l(-1) after 7 d. A high yield of the product (up to 1.4 g oxalic acid g(-1) lipids consumed) was achieved with oil and fatty acids combined.
引用
收藏
页码:955 / 958
页数:4
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