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Bibliographic record number: 270243

Journal

Authors: Mrvčić, Jasna; Stehlik-Tomas, Vesna; Grba, Slobodan
Title: Incorporation of Copper Ions by Yeast Kluyveromyces marxianus During Cultivation on Whey
( Incorporation of Copper Ions by Yeast Kluyveromyces marxianus During Cultivation on Whey )
Source: Acta alimentaria (0139-3006) 37 (2008), 1; 133-139
Paper type: previous procedings
Keywords: whey; biomass production; Kluyveromyces marxianus; copper uptake; COD
( whey; biomass production; Kluyveromyces marxianus; copper uptake; COD )
Abstract:
The production of Kluyveromyces marxianus biomass enriched with copper ions were studied. For that reason the growth of the yeast Kluyveromyces marxianus in whey with different concentrations of copper ions in batch process under semiaerobic and aerobic conditions were examined. Also, the kinetics of copper ions accumulation in yeast cells, under the same conditions, as well as the reduction of chemical oxygen demand (COD) during yeast growth in aerobic condition, were monitored. The concentration of copper ions in media up to 4 mgl-1 did not affect the yeast growth, whereas at a higher concentration, a marked decrease in the rate of yeast growth, ethanol production and lactose consumption occurred. In semiaerobic conditions, the maximum uptake of 0.35 mg Cu g-1d.m. was obtained, while in aerobic conditions a lower uptake of 0.26 mg Cu g-1 d.m. and COD reduction of 85% was achieved. COD reduction was independent of the copper addition or uptake.
Project / theme: 058-0583444-3483, 058-0580477-0374
Original language: eng
Citation databases: Current Contents Connect (CCC)
Scopus
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Category: Znanstveni
Research fields:
Biotechnology,Food processing technology
URL: http://www.akademiai.com/content/c2w5241424434724/?p=24af6257cafb4bb4b4c84c5c3ba24af4&pi=12
Broj citata:
Altmetric:
DOI: 10.1556/AAlim.2007.0012
URL cjelovitog rada:
Google Scholar: Incorporation of Copper Ions by Yeast Kluyveromyces marxianus During Cultivation on Whey



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