Título:	Bacterial cellulose production by Komagataeibacter hansenii ATCC 23769 using sisal juice: an agroindustry waste.
Autoria:	LIMA, H. L. S. NASCIMENTO, E. S. ANDRADE, F. K. BRIGIDA, A. I. S. BORGES, M. de F. CASSALES, A. R. MUNIZ, C. R. SOUZA FILHO, M. de S. M. de MORAIS, J. P. S. ROSA, M. de F.
Afiliação:	ANA IRAIDY SANTA BRIGIDA, CTAA.
Ano de publicação:	2017
Referência:	Brazilian Journal of Chemical Engineering, v. 34, n. 3, p. 671-680, Jul./Sep. 2017.
Conteúdo:	In this study, we have optimized production of bacterial cellulose (BC) by Komagataeibacter hansenii ATCC 23769 in a static cultivation using sisal juice, an agroindustrial residue, as substrate. Optimization of fermentation parameters has been carried out using the one-variable-at-a-time method. Effect of initial sugar concentration, pH, nitrogen supplement, and cultivation time was evaluated. The influence of nitrogen source and quantity for bacterial cellulose production was studied using a central composite rotational design (CCRD).The highest production of BC (3.38 g/L) was obtained after 10 days of cultivation, using sisal juice (pH 5) at 15 g/L of sugars and supplemented with 7.5 g/L of extract yeast. The cellulose production yield in selected sisal culture conditions was three times higher than the yield in synthetic medium, indicating that sisal juice is a suitable substrate for BC production.
Thesagro:	Sisal
NAL Thesaurus:	nanotechnology
Palavras-chave:	Celulose bacteriana Komagataeibacter hansenii Nanotecnologia Resíduo agroindustrial
Tipo do material:	Artigo de periódico
Acesso:	openAccess
Aparece nas coleções:	Artigo em periódico indexado (CTAA)