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Bayraktar et al., 2000 - Google Patents

Production of citric acid using immobilized conidia of Aspergillus niger

Bayraktar et al., 2000

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Document ID
5642320268265484354
Author
Bayraktar E
Mehmetoglu Ă
Publication year
Publication venue
Applied biochemistry and biotechnology

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Conidia of Aspergillus niger were immobilized in calcium alginate gel for the production of citric acid. First, the type of the preactivation medium, together with the preactivation period, was investigated. It was found that A. niger requires a 2-d preactivation period at a 0.05 g/L 

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    • C12M25/00Means for supporting, enclosing or fixing the microorganisms, e.g. immunocoatings
    • C12M25/16Particles; Beads; Granular material; Encapsulation
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    • C12N1/00Micro-organisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving micro-organisms or compositions thereof; Processes of preparing or isolating a composition containing a micro-organism; Culture media therefor
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    • C12N11/00Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
    • C12N11/14Enzymes or microbial cells being immobilised on or in an inorganic carrier
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