Use of Hemicelluloses and Cellulose and Degradation of Lignin by <i>Pleurotus sajor-caju</i> Grown on Corn Stalks

Chahal, D. S.; Hachey, Jean-Marie

doi:10.1021/bk-1990-0433.ch025

Cited by 6 publications

(5 citation statements)

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“…Incubations of 30 days or more of P. ostreatus on wheat straw (36) and on paddy straw (37) showed a decrease in moisture, fat, and all fiber fractions and an increase in protein and ash. Similar findings in moisture and protein contents were reported for fermentations with Pleurotus sajor-caju on corn stalks for up to 28 days (38). The fiber fractions obtained in this work are similar to those previously reported (36,39,40).…”

Section: Resultssupporting

confidence: 91%

Biodegradation of Viticulture Wastes byPleurotus: A Source of Microbial and Human Food and Its Potential Use in Animal Feeding

Sánchez

Ysunza

Beltrán-García

et al. 2002

J. Agric. Food Chem.

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The bioconversion of vineyard pruning and grape pomace by Pleurotus spp. using a solid state fermentation (SSF) was evaluated. Fruiting body production and chemical changes in the substrates after harvesting were measured. Biological efficiency and bioconversion ranged from 37.2 to 78.7% and from 16.7 to 38.8%, respectively. The best substrates for mycelial growth and mushroom yield were the mixtures with higher vineyard pruning content. Inclusion of pruning content had higher phenolic components and total sugars, better C/N ratio, and lower crude fat and total nitrogen than pomace. On the contrary, mycelium grew more slowly and scarcely in all treatments with 100% grape pomace. Moisture, protein, fat, and lignin contents were generally higher in mixtures with higher pomace proportion, whereas neutral detergent fiber, hemicellulose, and cellulose contents were higher with pruning content. Pleurotus strains may act depending on the availability of fiber fractions of substrate, and dynamic changes in digestion might occur as these fractions change during fungal growth. The recycling of viticulture residues through SSF by Pleurotus has great potential to produce human food and yields an available high-fiber feed for limited use in ruminants.

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Section: Resultssupporting

confidence: 91%

Biodegradation of Viticulture Wastes byPleurotus: A Source of Microbial and Human Food and Its Potential Use in Animal Feeding

Sánchez

Ysunza

Beltrán-García

et al. 2002

J. Agric. Food Chem.

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“…Sterile polyethylene bags, containing microporus filtration strips, were filled with the smal composts and incubated at 25° C, until the spawn fully colonized the whole composts. At this point the spawn may be used to inoculate the mushroom growing substrate or alternatively it may be stored for up to 6 months at 4° C before use (Chahal & Hachey, 1990).…”

Section: Preparation Of Mushroom Spawnmentioning

confidence: 99%

“…Taking into consideration that most of the edible mushrooms species requires a specific micro-environment including complex nutrients, the influence of physical and chemical factors upon fungal biomass production and mushroom fruit bodies formation were studied by testing new biotechnological proceduresMoser, 1994;Beguin & Aubert, 1994;Chahal & Hachey, 1990). …”

mentioning

confidence: 99%

Environmental Biotechnology for Bioconversion of Agricultural and Forestry Wastes into Nutritive Biomass

Petre¹,

Petre²

2013

Environmental Biotechnology - New Approaches and Prospective Applications

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The cellulose is the most widely distributed skeletal polysaccharide and represents about 50% of the cell wall material of plants. Beside hemicellulose and lignin, cellulose is a major component of agricultural wastes and municipal residues. The cellulose and hemicellulose comprise the major part of all green plants and this is the main reason of using such terms as "cellulosic wastes" or simply "cellulosics" for those materials which are produced especially as agricultural crop residues, fruit and vegetable wastes from industrial processing, and other solid wastes from canned food and drinks industries. The cellulose biodegradation using fungal cells is essentially based on the complex interaction between biotic factors, such as the morphogenesis and physiology of fungi, as the cellulose composition and its complexness with hemicellulose and lignin (Andrews & Fonta, 1988; Carlile & Watkinson, 1996). An efficient method to convert cellulose materials, in order to produce unconventional highcalorie foods or feeds, is the direct conversion by cellulolytic microorganisms. Theoretically, any microorganism that can grow as pure culture on cellulose substrata, used as carbon and energy sources, should be considered a potential organism for "single-cell protein" (SCP) or "protein rich feed" (PRF) producing. 2. Biotechnology of mycelia biomass producing through submerged bioconversion of agricultural crop wastes The submerged cultivation of mushroom mycelia is a promising method which can be used in novel biotechnological processes for obtaining pharmaceutical substances of anticancer,

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“…The content of reducing sugars was determined by Kubicek technique and the total nitrogen content was analysed by Kjeldahl method (Glazebrook et al, 1992;Chahal and Hachey, 1990). The experimental data determined as total reducing sugars contents (Kubicek et al, 1993) were correlated by complementary investigations with those values of dry weight loss measurements of fruit wastes bioconversion, for both mono-and co-cultures of B. subtilis and P. ostreatus.…”

Section: Methods Used In Experimentsmentioning

confidence: 99%

“…Theoretically, any microorganism that can grow in the shape of pure culture on cellulosic substrates, using them as carbon and energy sources, should be considered a potential organism for single-cell protein or protein rich feed producing (Chahal and Hachey, 1990).…”

Section: Introductionmentioning

confidence: 99%

Microbial composting of fruit tree wastes through controlled submerged fermentation

Petre

Rusea

2014

Ital J Agronomy

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The ecological valorising of organic compounds represented by many derived wastes from fruit processing through the controlled microbial composting was established as the main aim of research experiments presented in this paper. There were carried out laboratory works to test the optimal needs of bacterial and fungal pure cultures to grow inside different marc made of apple, cherry and plum wastes (chemical composition, temperature, pH, oxygen/carbon dioxide concentration). In this respect, there were used pure bacterial cultures of Bacillus genus as well as the fungal ones belonging to species of Pleurotus for microbial transformation of different fruit wastes. The biotechnology of microbial composting was applied by using a laboratory-scale bioreactor of 15 L working volume. The submerged fermentations of different fruit wastes were set up for the following parameters: constant temperature, 23°C; agitation speed, 80-100 rev. min -1 ; pH level, 5.7-6.0 units; dissolved oxygen tension within the range of 30-70%. After a period of 140-230 h, the fermented composts, containing the microbial biomass developed through biochemical transforming of marc into natural fertilisers, were produced.

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Use of Hemicelluloses and Cellulose and Degradation of Lignin by Pleurotus sajor-caju Grown on Corn Stalks

Cited by 6 publications

References 0 publications

Biodegradation of Viticulture Wastes byPleurotus: A Source of Microbial and Human Food and Its Potential Use in Animal Feeding

Biodegradation of Viticulture Wastes byPleurotus: A Source of Microbial and Human Food and Its Potential Use in Animal Feeding

Environmental Biotechnology for Bioconversion of Agricultural and Forestry Wastes into Nutritive Biomass

Microbial composting of fruit tree wastes through controlled submerged fermentation

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