Cell yield and superoxide dismutase activity of the marine yeast Debaryomyces hansenii under different culture conditions

The effect of aeration, pH, stirring rate, and temperature on the biomass production and superoxide dismutase (SOD) activity of the marine yeast Debaryomyces hansenii strain C-11 was determined. The cell biomass yield was approximately 50% in a seawater-formulated medium using glucose as the carbon...

Full description

Saved in:
Bibliographic Details
Published inJournal of marine biotechnology Vol. 6; no. 4; p. 255
Main Authors Ramírez Orozco M, Hernández-Saavedra, NY, Ascencio Valle F, Acosta González B, Ochoa, JL
Format Journal Article
LanguageEnglish
Published United States 01.12.1998
Online AccessGet more information

Cover

More Information
Summary:The effect of aeration, pH, stirring rate, and temperature on the biomass production and superoxide dismutase (SOD) activity of the marine yeast Debaryomyces hansenii strain C-11 was determined. The cell biomass yield was approximately 50% in a seawater-formulated medium using glucose as the carbon source. The SOD activity increased by application of a pulse of oxygen or 0.8 mM sulfate copper into the chemical reactor. The SOD enzyme had an activity of 400 units/mg of protein in a crude extract produced under such conditions, the best activity ever reported for this enzyme in a crude preparation.
ISSN:0941-2905