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Optimization of single-cell-protein production from cassava starch usingSchwanniomyces castellii

โœ Scribed by Tipparat Hongpattarakere; Aran H-Kittikun

Publisher
Springer
Year
1995
Tongue
English
Weight
254 KB
Volume
11
Category
Article
ISSN
1573-0972

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โœฆ Synopsis

Schwanniomyces castellii B5285 grew faster and produced greater biomass and higher protein yield than either S. alluvius ATCC 26074 or S. alluvius 81Y when these amylolytic yeasts were grown with 2% (w/v) cassava starch as sole C source. With 0.5% (w/v) glutamate as N source, S. castellii reached 7.12 g cell dry mass/l, with a protein yield of 6.4 g/100 g starch. The optimal agitation speed, aeration rate and pH for growth of this yeast in a fermenter were 400 rev/min, 1.67 vol./vol.min. and 5.0, respectively. Tween 80 at 0.1% increased cell dry mass to 8.90 g/l, cell yield to 44 g/100 g starch and protein yield to 7.4 g/100 g starch.

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