The spent mushroom substrates of Hypsizigus marmoreus can be an effective component for growing the oyster mushroom Pleurotus ostreatus

Wang, Shouxian; Xu, Feng; Li, Zhiming; Zhao, Shuang G.; Song, Shuang; Rong, Chengbo; Geng, Xianguo; Liu, Yu

doi:10.1016/j.scienta.2015.02.028

Cited by 36 publications

(19 citation statements)

References 22 publications

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“…Mycelial growth and fruiting body development rely on lignocellulosic materials, particularly their C:N ratio, which is about 50:1 using various substrates. 23,24 Here, the 60SSC medium presented the highest C:N ratio of all experimental substrates, leading to the longest time for spawn running and primordia formation. In addition, the observed slow growth on the 60QTC substrate may be attributable to the smaller volume of a similar dw, thus resulting in a lower degree of gas permeability, 25 whereas lower spawn running rate using the 60CKI substrate may be associated with its high content of Kushen residues, which led to high matrine residue and further inhibited mushroom mycelia growth.…”

Section: Evaluation Of Herb Residues As Substrate Supplements During mentioning

confidence: 82%

“…In mushroom production, various factors, such as substrate composition, C:N ratio, moisture content of the substrate, and physical structure, may influence mycelial growth, formation of primordia, and yield. 23,24 Thus, elucidating the effects of supplementation of herb residues on mushroom propagation can be difficult. High BE during mushroom cultivation is beneficial for the disposal of herb residues along with biotransformation into mushrooms.…”

Section: Evaluation Of Herb Residues As Substrate Supplements During mentioning

confidence: 99%

“…However, it should be pointed out that the C:N ratios of the optimal substrate combinations here were not optimal for mushroom growth. 23 When further optimizing the media, the C:N ratios can be designed to be optimal (∼50) by supplementing different ratios of wheat bran, and then the appropriate content of the herb residues in substrate combinations will be explored.…”

Section: Evaluation Of Herb Residues As Substrate Supplements During mentioning

confidence: 99%

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Effect of cultivating Pleurotus ostreatus on substrates supplemented with herb residues on yield characteristics, substrates degradation, and fruiting bodies’ properties

2020

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BACKGROUND Inappropriate disposal of herb residues in China has caused major problems for the immediate environment and to human safety. Here, three herb residues, compound Kushen injection (CKI), Qizhi Tongluo capsule (QTC), and Shenbai Shuxin capsule (SSC), were applied as substrates to corncob at various ratios (30:60, 45:45, and 60:30) for the propagation of the mushroom Pleurotus ostreatus. The effects of supplementation using herb residues on yield, biodegradation ability, bioactive compounds, antioxidant properties, and safety of P. ostreatus were assessed. RESULTS Different spawn running times were observed using growth medium, whereas 45CKI, 60QTC, and 30SSC media were determined as optimal‐performing substrate combinations, resulting in yields of 843 g kg−1, 828 g kg−1, and 715 g kg−1 respectively. Biodegradation analysis of consumed substrates revealed a significant decrease in cellulose and hemicellulose levels compared with lignin. Furthermore, chemical analysis of fruiting bodies revealed that the 45CKI and 60QTC substrates resulted in higher total phenol, flavonoid, terpenoid, and vitamin C levels, but significantly reduced water‐soluble polysaccharides compared with the corncob medium. The methanol extract of fruiting bodies grown on substrates containing herb residues exhibited higher antioxidant properties than the control, as it was more effective in scavenging 2,2‐diphenyl‐1‐picrylhydrazyl radicals, had greater reducing power, and more strongly inhibiting lipid peroxidation. Furthermore, high‐performance liquid chromatography studies indicated that fruiting bodies did not generate matrine (a specific toxin produced in Kushen) when cultivated using the CKI substrate. CONCLUSIONS P. ostreatus cultivation on substrates mixed with herb residues facilitates herb residue management as well as bioactivity‐rich and non‐toxic fruit body formation. © 2020 Society of Chemical Industry

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Section: Evaluation Of Herb Residues As Substrate Supplements During mentioning

confidence: 82%

Section: Evaluation Of Herb Residues As Substrate Supplements During mentioning

confidence: 99%

Section: Evaluation Of Herb Residues As Substrate Supplements During mentioning

confidence: 99%

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Effect of cultivating Pleurotus ostreatus on substrates supplemented with herb residues on yield characteristics, substrates degradation, and fruiting bodies’ properties

2020

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“…The SMS is currently disposed of by dumping to landfill or by combustion, creating environmental pollution (e.g. air pollution) and affecting human health (e.g.…”

Section: Introductionmentioning

confidence: 99%

Microwave vacuum pyrolysis conversion of waste mushroom substrate into biochar for use as growth medium in mushroom cultivation

Lam

Lee

Nam

et al. 2019

J of Chemical Tech & Biotech

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BACKGROUND Spent mushroom substrate (SMS), largely produced as an agriculture waste from mushroom cultivation, was transformed into biochar via microwave vacuum pyrolysis under different ratios of SMS to microwave absorbent (1:1, 1:2, and 1:3). The biochar was then examined for its potential to be re‐used in mushroom cultivation as a growth medium added to conventional mushroom baglog (plastic bag with mushroom seeds and culture substrates containing rice straw, sawdust, lime and water), with emphasis on its ability to form mycelium – a fungus that grows into mushroom from its seeds. RESULT The pyrolysis generated up to 36 wt% biochar yield with a large adsorption area (up to 215 m2 g‐1) and less water (4 wt%), indicating that many adsorption sites are available on which mushroom seeds, nutrient and water can be adsorbed onto in order to form mycelium (and subsequently mushroom). The biochar added to grow mushroom in baglog recorded a higher water retention percentage (up to 59%), a higher mycelium colonization length in 8 days (6.3 cm), coverage area (up to 259 cm2) and total mycelium growth volume (317 cm3), and resulted in a higher yield of mushroom (200 g month‐1) than that recorded for the conventional baglog without biochar (160 g month‐1). CONCLUSION The results indicated that biochar produced from SMS using microwave vacuum pyrolysis shows great potential in retaining water and nutrient that in turn promotes the formation of mycelium that leads to increased growth of mushroom in its cultivation. © 2018 Society of Chemical Industry

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“…Examples of this species include Pleurotus pulmonarius, Pleurotus sajor-caju, Pleurotus floridae and Pleurotus ostreatus. These last two are known as "shimeji" and contain high amounts of proteins, carbohydrates, minerals, vitamins and low fat content, being very important commercially (Maity et al, 2011;Wang et al, 2015). Microorganisms of the Pleurotus genus are generally found in tropical and subtropical forests around the world, and can be grown artificially, due to their ability to degrade a wide variety of substrates that contain cellulose, hemicellulose and lignin, as they have different enzymatic complex, such as cellulases, hemicellulases, ligninases, peroxidases, laccases and proteases (Bennett, 1994).…”

Section: Introductionmentioning

confidence: 99%

Biodegradation of nitroaromatic compounds in Red Water by white rot fungi Pleurotus ostreatus and floridae

et al. 2020

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Pleurotus fungi are basidiomycetes that stand out in the degradation of recalcitrant organic compounds such as lignin derivatives and phenolic compounds. The aim of this study was to make a comparative evaluation of the capacity of the Pleurotus ostreatus POS 560 and Pleurotus floridae PSP1 fungi in the degradation of 2,4 and 2,6-dinitrotoluene (DNTs) in effluent from an explosive factory. The characterization of the effluent indicated 318 mg L-1 of DNTs, 246 mg L-1 of COD and toxicity factor for Daphnia magna corresponding to 8. The conduct of a multivariate study estimated the influence of the variables pH (5.0 and 6.0), co-substrate concentration (10 and 20 g L-1 of glucose) and species of the fungus Pleurotus (ostreatus and floridae) on the degradation of DNTs, indicating that the variables Fungus and [Glucose] were significant (p <0.05) presenting effects in the order of + 4.45 ± 0.26 and -1.14 ± 0.26, respectively. The reproduction of the best efficiency conditions (P. floridae; pH 6.0 and 10 g L-1 of glucose) in agitated flasks (100 rpm, 26oC) was able to carry out, within 14 days of treatment, the removal of organic matter and toxicity factor in levels on the order of 55 and 50%, respectively, in addition to the complete degradation of DNTs which occurred in the first 120 hours of treatment. In this period, the maximum activity of the peroxidase and Mn-peroxidase enzymes was also characterized, suggesting high potential of the bioprocess under study for remediation of effluents contaminated with nitroaromatic compounds.

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The spent mushroom substrates of Hypsizigus marmoreus can be an effective component for growing the oyster mushroom Pleurotus ostreatus

Cited by 36 publications

References 22 publications

Effect of cultivating Pleurotus ostreatus on substrates supplemented with herb residues on yield characteristics, substrates degradation, and fruiting bodies’ properties

Effect of cultivating Pleurotus ostreatus on substrates supplemented with herb residues on yield characteristics, substrates degradation, and fruiting bodies’ properties

Microwave vacuum pyrolysis conversion of waste mushroom substrate into biochar for use as growth medium in mushroom cultivation

Biodegradation of nitroaromatic compounds in Red Water by white rot fungi Pleurotus ostreatus and floridae

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