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| Content Provider | Springer Nature Link |
|---|---|
| Author | Castro, Aline Machado Andréa, Thiago Vetter Carvalho, Daniele Fernandes Teixeira, Mariana Martins Pereira Reis Castilho, Leda Freire, Denise Maria Guimarães |
| Copyright Year | 2011 |
| Abstract | In this work four agroindustrial cakes were used as raw material both for production of enzyme pools containing amylases and accessory hydrolases by solid-state fermentation (SSF) and for cold starch hydrolysis. Eight fungal strains from the genera Aspergillus and Penicillium were screened for enzyme production, and their enzyme extracts were then evaluated in the hydrolysis of raw cakes. Babassu cake was the most suitable raw material for endoamylases, exoamylases and proteases production. The highest activities of these three enzymes were produced by A. awamori IOC-3914 (29.8 U g$^{−1}$), A. wentii (47.8 U g$^{−1}$) and P. verrucosum (27.5 U g$^{−1}$), respectively. Regarding cellulases and xylanases, maximum activities (12.8 and 598.0 U g$^{−1}$, respectively) were obtained by A. awamori IOC-3915 in castor seed residue. Saccharification studies showed a flexible applicability of the raw extracts to hydrolyze different cakes. A maximum total reducing sugars concentration of 13.9 g L$^{−1}$ was obtained from babassu cake using a raw enzyme extract produced by A. awamori IOC-3915, without any concentration or purification steps. The present results demonstrate that a low-cost SSF process can supply enzyme extracts with a high potential for application in the cold hydrolysis of raw starch from agroindustrial cakes. |
| Starting Page | 291 |
| Ending Page | 302 |
| Page Count | 12 |
| File Format | |
| ISSN | 18772641 |
| Journal | Waste and Biomass Valorization |
| Volume Number | 2 |
| Issue Number | 3 |
| e-ISSN | 1877265X |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2011-05-10 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Fungal amylases Hydrolases Agroindustrial oil cakes Aspergillus and Penicillium strains Solid-state fermentation Cold starch hydrolysis Waste Management/Waste Technology Environmental Engineering/Biotechnology Renewable and Green Energy Environment Engineering Industrial Pollution Prevention |
| Content Type | Text |
| Resource Type | Article |
| Subject | Waste Management and Disposal Environmental Engineering Renewable Energy, Sustainability and the Environment |
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