Degradative Ability of Mushrooms Cultivated on Corn Silage Digestate
The current management practice of digestate from biogas plants involves its use for land application as a fertilizer. Nevertheless, the inadequate handling of digestate may cause environmental risks due to losses of ammonia, methane and nitrous oxide. Therefore, the key goals of digestate managemen...
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| Format: | Article |
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MDPI AG
2020-07-01
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| Series: | Molecules |
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| Online Access: | https://www.mdpi.com/1420-3049/25/13/3020 |
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| author | Stefano Fornito Federico Puliga Pamela Leonardi Michele Di Foggia Alessandra Zambonelli Ornella Francioso |
| author_facet | Stefano Fornito Federico Puliga Pamela Leonardi Michele Di Foggia Alessandra Zambonelli Ornella Francioso |
| author_sort | Stefano Fornito |
| collection | DOAJ |
| description | The current management practice of digestate from biogas plants involves its use for land application as a fertilizer. Nevertheless, the inadequate handling of digestate may cause environmental risks due to losses of ammonia, methane and nitrous oxide. Therefore, the key goals of digestate management are to maximize its value by developing new digestate products, reducing its dependency on soil application and the consequent air pollution. The high nitrogen and lignin content in solid digestate make it a suitable substrate for edible and medicinal mushroom cultivation. To this aim, the mycelial growth rate and degradation capacity of the lignocellulosic component from corn silage digestate, undigested wheat straw and their mixture were investigated on <i>Cyclocybe aegerita, Coprinus comatus, Morchella importuna, Pleurotus cornucopiae</i> and <i>Pleurotus ostreatus</i>. The structural modification of the substrates was performed by using attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy. Preliminary in vitro results demonstrated the ability of <i>P. ostreatus</i>, <i>P. cornucopiae</i> and <i>M. importuna</i> to grow and decay hemicellulose and lignin of digestate. Cultivation trials were carried out on <i>C. aegerita</i>, <i>P. cornucopiae</i> and <i>P. ostreatus</i>. <i>Pleurotus ostreatus</i> showed the highest biological efficiency and fruiting body production in the presence of the digestate; moreover, <i>P. ostreatus</i> and <i>P. cornucopiae</i> were able to degrade the lignin. These results provide attractive perspectives both for more sustainable digestate management and for the improvement of mushroom cultivation efficiency. |
| first_indexed | 2024-03-10T18:44:55Z |
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| institution | Directory Open Access Journal |
| issn | 1420-3049 |
| language | English |
| last_indexed | 2024-03-10T18:44:55Z |
| publishDate | 2020-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Molecules |
| spelling | doaj.art-debb2b43cc514bf3bea3ef25c64d979f2023-11-20T05:36:57ZengMDPI AGMolecules1420-30492020-07-012513302010.3390/molecules25133020Degradative Ability of Mushrooms Cultivated on Corn Silage DigestateStefano Fornito0Federico Puliga1Pamela Leonardi2Michele Di Foggia3Alessandra Zambonelli4Ornella Francioso5Department of Agricultural and Food Sciences, University of Bologna, Viale G. Fanin 40, 40127 Bologna, ItalyDepartment of Agricultural and Food Sciences, University of Bologna, Viale G. Fanin 40, 40127 Bologna, ItalyDepartment of Agricultural and Food Sciences, University of Bologna, Viale G. Fanin 40, 40127 Bologna, ItalyDepartment of Biomedical and Neuromotor Sciences, University of Bologna, Via Belmeloro 8/2, 40126 Bologna, ItalyDepartment of Agricultural and Food Sciences, University of Bologna, Viale G. Fanin 40, 40127 Bologna, ItalyDepartment of Agricultural and Food Sciences, University of Bologna, Viale G. Fanin 40, 40127 Bologna, ItalyThe current management practice of digestate from biogas plants involves its use for land application as a fertilizer. Nevertheless, the inadequate handling of digestate may cause environmental risks due to losses of ammonia, methane and nitrous oxide. Therefore, the key goals of digestate management are to maximize its value by developing new digestate products, reducing its dependency on soil application and the consequent air pollution. The high nitrogen and lignin content in solid digestate make it a suitable substrate for edible and medicinal mushroom cultivation. To this aim, the mycelial growth rate and degradation capacity of the lignocellulosic component from corn silage digestate, undigested wheat straw and their mixture were investigated on <i>Cyclocybe aegerita, Coprinus comatus, Morchella importuna, Pleurotus cornucopiae</i> and <i>Pleurotus ostreatus</i>. The structural modification of the substrates was performed by using attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy. Preliminary in vitro results demonstrated the ability of <i>P. ostreatus</i>, <i>P. cornucopiae</i> and <i>M. importuna</i> to grow and decay hemicellulose and lignin of digestate. Cultivation trials were carried out on <i>C. aegerita</i>, <i>P. cornucopiae</i> and <i>P. ostreatus</i>. <i>Pleurotus ostreatus</i> showed the highest biological efficiency and fruiting body production in the presence of the digestate; moreover, <i>P. ostreatus</i> and <i>P. cornucopiae</i> were able to degrade the lignin. These results provide attractive perspectives both for more sustainable digestate management and for the improvement of mushroom cultivation efficiency.https://www.mdpi.com/1420-3049/25/13/3020corn digestatewhite-rot fungilignin degradationATR-FTIRmushroom cultivation |
| spellingShingle | Stefano Fornito Federico Puliga Pamela Leonardi Michele Di Foggia Alessandra Zambonelli Ornella Francioso Degradative Ability of Mushrooms Cultivated on Corn Silage Digestate Molecules corn digestate white-rot fungi lignin degradation ATR-FTIR mushroom cultivation |
| title | Degradative Ability of Mushrooms Cultivated on Corn Silage Digestate |
| title_full | Degradative Ability of Mushrooms Cultivated on Corn Silage Digestate |
| title_fullStr | Degradative Ability of Mushrooms Cultivated on Corn Silage Digestate |
| title_full_unstemmed | Degradative Ability of Mushrooms Cultivated on Corn Silage Digestate |
| title_short | Degradative Ability of Mushrooms Cultivated on Corn Silage Digestate |
| title_sort | degradative ability of mushrooms cultivated on corn silage digestate |
| topic | corn digestate white-rot fungi lignin degradation ATR-FTIR mushroom cultivation |
| url | https://www.mdpi.com/1420-3049/25/13/3020 |
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