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Use of sugar cane molasses and vinasse for proteic and lipidic biomass production by yeast and bacteria

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Author(s): Marcia Luciana Cazetta | Maria Antonia Pedrine Colabone Celligoi

Journal: Semina : Ciências Exatas e Tecnológicas
ISSN 1676-5451

Volume: 26;
Issue: 2;
Start page: 105;
Date: 2005;
Original page

Keywords: Microorganisms | Lipids | Proteins | Molasses and vinasse

ABSTRACT
This work evaluated the lipid and protein growth and synthesis capacity by Saccharomyces cerevisiae, Rhodotoruda mucilaginosa, Candida lipolytica, a yeast isolated from vinasse lakes and Corynebacterium glutamicum in 10% molasses and sugar cane crude vinasse. All microorganisms grew both in molasses and vinasse. The highest growth in crude vinasse was performed by R. mucilaginosa (7.05 g/L), and in 10% molasses, by C. lipolytica, yielding 6,09 g/L. In vinasse, the highest protein content in the biomass was produced by S. cerevisiae (50.35%) and in 10% molasses, by C. glutamicum (46,16%). C. lipolytica and R. mucilaginosa showed the best lipid production, above 20% and 18%, respectively, both in vinasse and in molasses.
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