Increasing the Nutritional Value of Camelina Meal via <i>Trametes versicolor</i> Solid-State Fermentation with Various Co-Substrates
Upcycling low-cost agricultural by-products into valuable and sustainable alternative feeding materials could secure human food-supply chains with a low carbon footprint. This study explored increasing the feeding value of camelina meal (CAM) mixed with wheat bran (WB), soybean hulls (SH), and rice...
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MDPI AG
2025-02-01
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| Series: | Fermentation |
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| Online Access: | https://www.mdpi.com/2311-5637/11/2/77 |
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| author | Kristin Boardman Xiao Sun Dana Yao Chi Chen Leif van Lierop Bo Hu |
| author_facet | Kristin Boardman Xiao Sun Dana Yao Chi Chen Leif van Lierop Bo Hu |
| author_sort | Kristin Boardman |
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| description | Upcycling low-cost agricultural by-products into valuable and sustainable alternative feeding materials could secure human food-supply chains with a low carbon footprint. This study explored increasing the feeding value of camelina meal (CAM) mixed with wheat bran (WB), soybean hulls (SH), and rice hulls (RH) for monogastric animals via solid-state fermentation (SSF) using white rot fungus <i>Trametes versicolor</i>. Experiments evaluated fungal growth, amino acid profiles, structural carbohydrates, glucosinolates, phytate and in vitro dry matter digestibility (IVDMD). Weight loss analysis indicated that fungal growth was more active in WB/CAM and SH/CAM substrates than RH/CAM. Significant phytic acid degradation and near-complete glucosinolate elimination improved CAM feed quality across all substrates. Fermentation increased total and essential amino acids in the SH/CAM mixture, while reductions occurred in WB/CAM and RH/CAM mixtures. SH/CAM fermentation caused substantial cellulose and hemicellulose degradation, resulting in a 44% IVDMD increase. Conversely, RH/CAM fermentation decreased IVDMD despite a reduction in cellulose, possibly due to protein degradation. This study demonstrates the potential of <i>T. versicolor</i>-mediated SSF to enhance CAM and other agricultural residues’ feeding value for monogastric animal applications. |
| format | Article |
| id | doaj-art-e810aa79ab0241beb355742e9e87d6b2 |
| institution | DOAJ |
| issn | 2311-5637 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | MDPI AG |
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| series | Fermentation |
| spelling | doaj-art-e810aa79ab0241beb355742e9e87d6b22025-08-20T02:44:59ZengMDPI AGFermentation2311-56372025-02-011127710.3390/fermentation11020077Increasing the Nutritional Value of Camelina Meal via <i>Trametes versicolor</i> Solid-State Fermentation with Various Co-SubstratesKristin Boardman0Xiao Sun1Dana Yao2Chi Chen3Leif van Lierop4Bo Hu5Department of Bioproducts and Biosystems Engineering, University of Minnesota, 1390 Eckles Ave, St. Paul, MN 55108, USADepartment of Bioproducts and Biosystems Engineering, University of Minnesota, 1390 Eckles Ave, St. Paul, MN 55108, USADepartment of Food Science and Nutrition, University of Minnesota, 1334 Eckles Ave, St. Paul, MN 55108, USADepartment of Food Science and Nutrition, University of Minnesota, 1334 Eckles Ave, St. Paul, MN 55108, USADepartment of Bioproducts and Biosystems Engineering, University of Minnesota, 1390 Eckles Ave, St. Paul, MN 55108, USADepartment of Bioproducts and Biosystems Engineering, University of Minnesota, 1390 Eckles Ave, St. Paul, MN 55108, USAUpcycling low-cost agricultural by-products into valuable and sustainable alternative feeding materials could secure human food-supply chains with a low carbon footprint. This study explored increasing the feeding value of camelina meal (CAM) mixed with wheat bran (WB), soybean hulls (SH), and rice hulls (RH) for monogastric animals via solid-state fermentation (SSF) using white rot fungus <i>Trametes versicolor</i>. Experiments evaluated fungal growth, amino acid profiles, structural carbohydrates, glucosinolates, phytate and in vitro dry matter digestibility (IVDMD). Weight loss analysis indicated that fungal growth was more active in WB/CAM and SH/CAM substrates than RH/CAM. Significant phytic acid degradation and near-complete glucosinolate elimination improved CAM feed quality across all substrates. Fermentation increased total and essential amino acids in the SH/CAM mixture, while reductions occurred in WB/CAM and RH/CAM mixtures. SH/CAM fermentation caused substantial cellulose and hemicellulose degradation, resulting in a 44% IVDMD increase. Conversely, RH/CAM fermentation decreased IVDMD despite a reduction in cellulose, possibly due to protein degradation. This study demonstrates the potential of <i>T. versicolor</i>-mediated SSF to enhance CAM and other agricultural residues’ feeding value for monogastric animal applications.https://www.mdpi.com/2311-5637/11/2/77solid-state fermentationoilseed cover cropmonogastric animal feedbioprocessglucosinolatescamelina meal |
| spellingShingle | Kristin Boardman Xiao Sun Dana Yao Chi Chen Leif van Lierop Bo Hu Increasing the Nutritional Value of Camelina Meal via <i>Trametes versicolor</i> Solid-State Fermentation with Various Co-Substrates Fermentation solid-state fermentation oilseed cover crop monogastric animal feed bioprocess glucosinolates camelina meal |
| title | Increasing the Nutritional Value of Camelina Meal via <i>Trametes versicolor</i> Solid-State Fermentation with Various Co-Substrates |
| title_full | Increasing the Nutritional Value of Camelina Meal via <i>Trametes versicolor</i> Solid-State Fermentation with Various Co-Substrates |
| title_fullStr | Increasing the Nutritional Value of Camelina Meal via <i>Trametes versicolor</i> Solid-State Fermentation with Various Co-Substrates |
| title_full_unstemmed | Increasing the Nutritional Value of Camelina Meal via <i>Trametes versicolor</i> Solid-State Fermentation with Various Co-Substrates |
| title_short | Increasing the Nutritional Value of Camelina Meal via <i>Trametes versicolor</i> Solid-State Fermentation with Various Co-Substrates |
| title_sort | increasing the nutritional value of camelina meal via i trametes versicolor i solid state fermentation with various co substrates |
| topic | solid-state fermentation oilseed cover crop monogastric animal feed bioprocess glucosinolates camelina meal |
| url | https://www.mdpi.com/2311-5637/11/2/77 |
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