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Use of volatile fatty acids salts in the production of xanthan gum Electron. J. Biotechnol.
Correa Leite,José Alberto; Pozzi,Eloiza; Pelizer,Lúcia Helena; Zaiat,Marcelo; Barboza,Marlei.
Background: The aim of this study was the production of xanthan gum from salts of volatile fatty acids, which can be generated in anaerobic processes for the production of hydrogen from organic wastewaters. Xanthan gum was produced with three different acid salts used to replace the traditional citrate, which is normally used in the culture for the production of this biopolymer. The volatile fatty acids (VFA) salts used were sodium acetate 0.0328 M, sodium propionate 0.0219 M, and sodium butyrate 0.0164 M. Results: The values of biomass yield, (Yp/x) obtained were 9.2 g/g for acetate, 11.78 g/g for citrate, 11.80 g/g for butyrate and 14.59 g/g for propionate, while the values of the product yield (Yp/s), were 0.92; 0.59; 0.71 and 0.72 for acetate, citrate,...
Tipo: Journal article Palavras-chave: Rheology; Volatile fatty acids; Xanthan gum.
Ano: 2013 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582013000200006
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