Solid-state fermentation of Pleurotus ostreatus to improve the nutritional profile of mechanically-fractionated canola meal

Fatemeh Heidari; Margareth Øverland; Jon Øvrum Hansen; Liv T. Mydland; Pedro E. Urriola; Chi Chen; Gerald C. Shurson; Bo Hu

doi:10.1016/j.bej.2022.108591

Solid-state fermentation of Pleurotus ostreatus to improve the nutritional profile of mechanically-fractionated canola meal

Fatemeh Heidari, Margareth Øverland, Jon Øvrum Hansen, Liv T. Mydland, Pedro E. Urriola, Chi Chen, Gerald C. Shurson, Bo Hu

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

Canola meal is an abundant and economic source of energy and nutrients for production animals, but it contains more antinutrients, less protein, and has a lower nutrient digestibility compared to soybean meal. In this study, mechanical fractionation and solid-state fungal fermentation were conducted to improve nutrient profile and reduce antinutrient content of canola meal. Mechanical processing, including milling, sieving, and air classification, was used to fractionate canola meal and redistribute its components in different fractions. Then these fractions were inoculated for fungal fermentation. The results showed that 12-day solid-state fermentation with Pleurotus ostreatus increased the protein content in all fractions by 11–18 %, decreased sinapine, glucosinolates, and phytate up to 99.8 %, 98.8 % and 75.8 %, respectively, and increased the in vitro digestibility of selective fractions. Overall, Pleurotus ostreatus-based solid-state fermentation has the potential to be an effective treatment to improve the nutritional profile of canola meal.

Original language	English (US)
Article number	108591
Journal	Biochemical Engineering Journal
Volume	187
DOIs	https://doi.org/10.1016/j.bej.2022.108591
State	Published - Nov 2022

Bibliographical note

Funding Information:
This work was supported by the Research Council of Norway (Grant No. 233685/E50 ). The authors would like to thank Dr. Aravindan Rajendran, Dr. Jinlong Zhu, Dr. Jae Cheol Jang and Dr. Dana Yao for their expertise and assistance throughout this study. The authors would also like to express their gratitude to Dr. Wei Wei for her great help with statistical analysis.

Publisher Copyright:
© 2022 Elsevier B.V.

Keywords

Canola meal
Fungal fermentation
Monogastric feed
Pleurotus ostreatus solid-state fermentation

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title = "Solid-state fermentation of Pleurotus ostreatus to improve the nutritional profile of mechanically-fractionated canola meal",

abstract = "Canola meal is an abundant and economic source of energy and nutrients for production animals, but it contains more antinutrients, less protein, and has a lower nutrient digestibility compared to soybean meal. In this study, mechanical fractionation and solid-state fungal fermentation were conducted to improve nutrient profile and reduce antinutrient content of canola meal. Mechanical processing, including milling, sieving, and air classification, was used to fractionate canola meal and redistribute its components in different fractions. Then these fractions were inoculated for fungal fermentation. The results showed that 12-day solid-state fermentation with Pleurotus ostreatus increased the protein content in all fractions by 11–18 %, decreased sinapine, glucosinolates, and phytate up to 99.8 %, 98.8 % and 75.8 %, respectively, and increased the in vitro digestibility of selective fractions. Overall, Pleurotus ostreatus-based solid-state fermentation has the potential to be an effective treatment to improve the nutritional profile of canola meal.",

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note = "Funding Information: This work was supported by the Research Council of Norway (Grant No. 233685/E50 ). The authors would like to thank Dr. Aravindan Rajendran, Dr. Jinlong Zhu, Dr. Jae Cheol Jang and Dr. Dana Yao for their expertise and assistance throughout this study. The authors would also like to express their gratitude to Dr. Wei Wei for her great help with statistical analysis. Publisher Copyright: {\textcopyright} 2022 Elsevier B.V.",

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AU - Urriola, Pedro E.

AU - Chen, Chi

AU - Shurson, Gerald C.

AU - Hu, Bo

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N2 - Canola meal is an abundant and economic source of energy and nutrients for production animals, but it contains more antinutrients, less protein, and has a lower nutrient digestibility compared to soybean meal. In this study, mechanical fractionation and solid-state fungal fermentation were conducted to improve nutrient profile and reduce antinutrient content of canola meal. Mechanical processing, including milling, sieving, and air classification, was used to fractionate canola meal and redistribute its components in different fractions. Then these fractions were inoculated for fungal fermentation. The results showed that 12-day solid-state fermentation with Pleurotus ostreatus increased the protein content in all fractions by 11–18 %, decreased sinapine, glucosinolates, and phytate up to 99.8 %, 98.8 % and 75.8 %, respectively, and increased the in vitro digestibility of selective fractions. Overall, Pleurotus ostreatus-based solid-state fermentation has the potential to be an effective treatment to improve the nutritional profile of canola meal.

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Solid-state fermentation of Pleurotus ostreatus to improve the nutritional profile of mechanically-fractionated canola meal

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