Expanding the valorization of waste mushroom substrates in agricultural production: progress and challenges

Ya, Gao; Wu, Zhibin; Li, Weiming; Sun, Haiyan; Chai, Youzheng; Li, Tianyou; Liu, Chao; Gong, Xiaomin; Liang, Yue; Qin, Pufeng

doi:10.1007/s11356-022-24125-y

Cited by 12 publications

(8 citation statements)

References 119 publications

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“…It can be successfully metabolized by mushrooms for growth. These chains are often highly branched and can contain side chains of various other sugars, such as rhamnose, galactose, and arabinose [35].…”

Section: Valorization Of Oyster By-productsmentioning

confidence: 99%

Pleurotus ostreatus Mushroom: A Promising Feed Supplement in Poultry Farming

Törős,

El-Ramady,

Béni

et al. 2024

Agriculture

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Pleurotus ostreatus (Jacq. ex Fr.) P. Kumm mushrooms are cultivated on diverse by-products based on substrates that hold promise for mitigating antibiotic usage in the poultry industry and reducing environmental pollution. By incorporating agricultural by-products into mushroom cultivation, the functionality of the mushroom products can be increased, then the final product can be a more effective feed supplement. After mushroom cultivation, spent mushroom substrate (SMS) can be valorized, due to the presence of huge amounts of bioactive compounds like β-glucan, chitin, polyphenols, and flavonoids related to mycelia. As a prebiotic and antimicrobial feed supplement, these mushrooms positively influence gut microbiota, intestinal morphology, and thus overall poultry well-being. This article underscores the potential of solid-state fermentation (SSF) to enhance the bioactivity of oyster mushrooms and their derivatives, offering a cost-effective and efficient strategy for transforming unconventional feeding materials. Moreover, it emphasizes broader implications, including the reduction of antibiotic dependence in poultry farming, highlighting the promising integration of oyster mushrooms and their derivatives for sustainable and environmentally conscious poultry production.

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Section: Valorization Of Oyster By-productsmentioning

confidence: 99%

Pleurotus ostreatus Mushroom: A Promising Feed Supplement in Poultry Farming

Törős,

El-Ramady,

Béni

et al. 2024

Agriculture

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“…Currently, SMS is mainly treated by incineration or landfilling, which may cause various environmental problems, including soil and air pollution ( Loganathan et al, 2023 ). Indeed, SMS contains abundant lignocellulosic fibers, as well as lignocellulose-degrading enzymes such as laccase (Lac) and manganese peroxidase (MnP), polysaccharides, proteins, organic acids, and other bioactive substances, and has high ecological utilization value ( Branà et al, 2020 ; Gao et al, 2023 ).…”

Section: Introductionmentioning

confidence: 99%

Construction of cellulose-degrading microbial consortium and evaluation of their ability to degrade spent mushroom substrate

Long,

Wang,

Qiu

et al. 2024

Front. Microbiol.

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IntroductionSpent mushroom substrate (SMS) is a solid waste in agricultural production that contains abundant lignocellulosic fibers. The indiscriminate disposal of SMS will lead to significant resource waste and pollution of the surrounding environment.The isolation and screening of microorganisms with high cellulase degradation capacity is the key to improving SMS utilization.MethodsThe cellulose-degrading microbial consortiums were constructed through antagonism and enzyme activity test. The effect of microbial consortiums on lignocellulose degradation was systematically evaluated by SMS liquid fermentation experiments.ResultsIn this study, four strains of cellulose-degrading bacteria were screened, and F16, F, and F7 were identified as B. amyloliquefaciens, PX1 identified as B. velezensis. At the same time, two groups of cellulose efficient degrading microbial consortiums (PX1 + F7 and F16 + F) were successfully constructed. When SMS was used as the sole carbon source, their carboxymethyl cellulase (CMCase) activities were 225.16 and 156.63 U/mL, respectively, and the filter paper enzyme (FPase) activities were 1.91 and 1.64 U/mL, respectively. PX1 + F7 had the highest degradation rate of hemicellulose and lignin, reaching 52.96% and 52.13%, respectively, and the degradation rate of F16 + F was as high as 56.30%. Field emission scanning electron microscopy (FESEM) analysis showed that the surface microstructure of SMS changed significantly after microbial consortiums treatment, and the change of absorption peak in Fourier transform infrared spectroscopy (FTIR) and the increase of crystallinity in X-ray diffraction (XRD) confirmed that the microbial consortiums had an actual degradation effect on SMS. The results showed that PX1 + F7 and F16 + F could effectively secrete cellulase and degrade cellulose, which had practical significance for the degradation of SMS.DiscussionIn this study, the constructed PX1 + F7 and F16 + F strains can effectively secrete cellulase and degrade cellulose, which holds practical significance in the degradation of SMS. The results can provide technical support for treating high-cellulose solid waste and for the comprehensive utilization of biomass resources.

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“…Waste mushroom residue emerges as a byproduct within the context of mushroom production [ 14 , 15 ]. Mushroom cultivation frequently leads to the production of a substantial amount of waste mushroom residue.…”

Section: Introductionmentioning

confidence: 99%

“…This is mainly attributed to the relatively low utilization rate of the initial substrate, such as crop straw, cottonseed shell, and sawdust, which is currently only at 40.0%. This inefficiency leads to the production of approximately 5.0 kg of mushroom residue for every 1.0 kg of mushrooms cultivated [ 14 ]. Unfortunately, waste mushroom residue is frequently disposed of through unregulated piling or burning practices, resulting in the wastage of valuable lignocellulosic resources and occupying significant land areas [ 15 ].…”

Section: Introductionmentioning

confidence: 99%

Responses of Crop Yield, Soil Fertility, and Heavy Metals to Spent Mushroom Residues Application

Tang,

Liu,

Huang

et al. 2024

Plants

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Waste mushroom residues are often returned to fields as organic amendments. Here, we estimated the effects of the continuous applications of different spent mushroom substrates for 2 years on crop yields, soil nutrients, and heavy metals in paddy fields. The study comprised seven treatments: no fertilization (CK) and mineral NPK fertilizer (CF), as well as NPK fertilizer combined with Enoki mushroom residue (EMR50), Oyster mushroom residue (OMR50), Auricularia polytricha mushroom residue (APR50), Shiitake mushroom residue (SMR50), and Agaricus bisporus residue (ABR50). The grain yield was highest under the APR50 treatment. The short-term application of waste mushroom residue significantly increased SOC, TN, TP, and TK content relative to the CK treatment. The SOC, TP, and TK were highest under ABR50. Both total Cr and Cd contents were highest under CF treatment. The highest cumulative ecological risk was observed under OMR50 treatment. In addition, crop yield was positively correlated with SOC, TN, TP, and TP. Our results highlight that further research and innovation are needed to optimize the benefits and overcome the challenges of mushroom residue application.

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Expanding the valorization of waste mushroom substrates in agricultural production: progress and challenges

Cited by 12 publications

References 119 publications

Pleurotus ostreatus Mushroom: A Promising Feed Supplement in Poultry Farming

Pleurotus ostreatus Mushroom: A Promising Feed Supplement in Poultry Farming

Construction of cellulose-degrading microbial consortium and evaluation of their ability to degrade spent mushroom substrate

Responses of Crop Yield, Soil Fertility, and Heavy Metals to Spent Mushroom Residues Application

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