Use of cassava peel as carbon source for production of amylolytic enzymes by Aspergillus niveus (2009)
- Authors:
- USP affiliated authors: POLIZELI, MARIA DE LOURDES TEIXEIRA DE MORAES - FFCLRP ; JORGE, JOAO ATILIO - FFCLRP ; TERENZI, HECTOR FRANCISCO - FFCLRP
- Unidade: FFCLRP
- Subjects: ASPERGILLUS; ENZIMAS (PRODUÇÃO)
- Language: Inglês
- Abstract: Aspergillus niveus produced high levels of α-amylase and glucoamylase in submerged fermentation using the agricultural residue cassava peel as a carbon source. In static conditions, the amylase production was substantially greater than in the agitated condition. The optimized culture conditions were initially at pH 5.0, 35°C during 48 hours. Amylolytic activity was still improved (50%) with a mixture of cassava peel and soluble starch in the proportion 1:1 (w/w). The crude extract exhibited temperature and pH optima approximately 70°C and 4.5, respectively. Amylase activity was stable for 1 h at 60°C, and at pH values between 3.0 and 7.0. The enzyme hydrolysed preferentially maltose, starch, penetrose, amylose, isomaltose, maltotriose, glycogen and amylopectin, and not hydrolysed cyclodextrin (‘alfa’ and ‘beta’), trehalose and sucrose. In the first hour of reaction on soluble starch, the hydrolysis products were glucose and maltose, but after two hours of hydrolysis, glucose was the unique product formed, confirming the presence in the crude extract of an ‘alfa’-amylase and a glucoamylase
- Imprenta:
- Source:
- Título: International Journal of Food Engineering
- ISSN: 1556-3758
- Volume/Número/Paginação/Ano: v. 5, n. 5, on-line, 2009
-
ABNT
SILVA, Tony Marcio et al. Use of cassava peel as carbon source for production of amylolytic enzymes by Aspergillus niveus. International Journal of Food Engineering, v. 5, n. 5, 2009Tradução . . Acesso em: 14 fev. 2026. -
APA
Silva, T. M., Alarcon, R. F., Damasio, A. R. de L., Michelin, M., Maller, A., Masui, D. C., et al. (2009). Use of cassava peel as carbon source for production of amylolytic enzymes by Aspergillus niveus. International Journal of Food Engineering, 5( 5). -
NLM
Silva TM, Alarcon RF, Damasio AR de L, Michelin M, Maller A, Masui DC, Terenzi HF, Jorge JA, Polizeli M de LTM. Use of cassava peel as carbon source for production of amylolytic enzymes by Aspergillus niveus. International Journal of Food Engineering. 2009 ; 5( 5):[citado 2026 fev. 14 ] -
Vancouver
Silva TM, Alarcon RF, Damasio AR de L, Michelin M, Maller A, Masui DC, Terenzi HF, Jorge JA, Polizeli M de LTM. Use of cassava peel as carbon source for production of amylolytic enzymes by Aspergillus niveus. International Journal of Food Engineering. 2009 ; 5( 5):[citado 2026 fev. 14 ] - Biotechnological application of xylanases and ligninases produced by Aspergilli cultivated on wheat bran, on cellulose pulp biobleaching
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