Serveur d'exploration sur le phanerochaete

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Solid-state fermentation of soybean and corn processing coproducts for potential feed improvement.

Identifieur interne : 000411 ( Main/Exploration ); précédent : 000410; suivant : 000412

Solid-state fermentation of soybean and corn processing coproducts for potential feed improvement.

Auteurs : Junyi Lio [États-Unis] ; Tong Wang

Source :

RBID : pubmed:22799754

Descripteurs français

English descriptors

Abstract

Two agro-industrial coproducts, soybean cotyledon fiber and distiller's dried grains with solubles (DDGS), were used as substrates to evaluate the effect of coculturing three different fungi, Aspergillus oryzae, Trichoderma reesei, and Phanerochaete chrysosporium, on enzyme production by solid-state fermentation (SSF). When soybean fiber was used as the substrate, a maximum xylanase activity of 757.4 IU/g and a cellulase activity of 3.2 IU/g were achieved with the inoculation and incubation of T. reesei and P. chrysosporium for 36 h, followed by A. oryzae for an additional 108 h. This inoculation scheme also resulted in the highest xylanase activity of 399.2 IU/g compared to other fungi combinations in the SSF of DDGS. A large-scale SSF by this fungus combination produced fermented products that had xylanase and cellulase activities of 35.9-57.0 and 0.4-1.2 IU/g, respectively. These products also had 3.5-15.1% lower fiber and 1.3-4.2% higher protein contents, suggesting a potential feed quality improvement.

DOI: 10.1021/jf301674u
PubMed: 22799754


Affiliations:


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Le document en format XML

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<nlm:affiliation>Department of Food Science and Human Nutrition, Iowa State University, Ames, IA 50011, USA.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
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<term>Animal Feed (analysis)</term>
<term>Animal Feed (microbiology)</term>
<term>Aspergillus oryzae (enzymology)</term>
<term>Aspergillus oryzae (metabolism)</term>
<term>Cellulase (metabolism)</term>
<term>Cotyledon (metabolism)</term>
<term>Cotyledon (microbiology)</term>
<term>Endo-1,4-beta Xylanases (metabolism)</term>
<term>Fermentation (MeSH)</term>
<term>Fungal Proteins (metabolism)</term>
<term>Phanerochaete (enzymology)</term>
<term>Phanerochaete (metabolism)</term>
<term>Soybeans (chemistry)</term>
<term>Soybeans (microbiology)</term>
<term>Trichoderma (enzymology)</term>
<term>Trichoderma (metabolism)</term>
<term>Zea mays (chemistry)</term>
<term>Zea mays (microbiology)</term>
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<term>Aliment pour animaux (analyse)</term>
<term>Aliment pour animaux (microbiologie)</term>
<term>Aspergillus oryzae (enzymologie)</term>
<term>Aspergillus oryzae (métabolisme)</term>
<term>Cellulase (métabolisme)</term>
<term>Cotylédon (microbiologie)</term>
<term>Cotylédon (métabolisme)</term>
<term>Endo-1,4-beta xylanases (métabolisme)</term>
<term>Fermentation (MeSH)</term>
<term>Phanerochaete (enzymologie)</term>
<term>Phanerochaete (métabolisme)</term>
<term>Protéines fongiques (métabolisme)</term>
<term>Soja (composition chimique)</term>
<term>Soja (microbiologie)</term>
<term>Trichoderma (enzymologie)</term>
<term>Trichoderma (métabolisme)</term>
<term>Zea mays (composition chimique)</term>
<term>Zea mays (microbiologie)</term>
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<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en">
<term>Cellulase</term>
<term>Endo-1,4-beta Xylanases</term>
<term>Fungal Proteins</term>
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<term>Aliment pour animaux</term>
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<term>Animal Feed</term>
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<term>Soybeans</term>
<term>Zea mays</term>
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<term>Soja</term>
<term>Zea mays</term>
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<keywords scheme="MESH" qualifier="enzymologie" xml:lang="fr">
<term>Aspergillus oryzae</term>
<term>Phanerochaete</term>
<term>Trichoderma</term>
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<term>Aspergillus oryzae</term>
<term>Phanerochaete</term>
<term>Trichoderma</term>
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<keywords scheme="MESH" qualifier="metabolism" xml:lang="en">
<term>Aspergillus oryzae</term>
<term>Cotyledon</term>
<term>Phanerochaete</term>
<term>Trichoderma</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr">
<term>Aliment pour animaux</term>
<term>Cotylédon</term>
<term>Soja</term>
<term>Zea mays</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiology" xml:lang="en">
<term>Animal Feed</term>
<term>Cotyledon</term>
<term>Soybeans</term>
<term>Zea mays</term>
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<term>Aspergillus oryzae</term>
<term>Cellulase</term>
<term>Cotylédon</term>
<term>Endo-1,4-beta xylanases</term>
<term>Phanerochaete</term>
<term>Protéines fongiques</term>
<term>Trichoderma</term>
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<term>Fermentation</term>
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<div type="abstract" xml:lang="en">Two agro-industrial coproducts, soybean cotyledon fiber and distiller's dried grains with solubles (DDGS), were used as substrates to evaluate the effect of coculturing three different fungi, Aspergillus oryzae, Trichoderma reesei, and Phanerochaete chrysosporium, on enzyme production by solid-state fermentation (SSF). When soybean fiber was used as the substrate, a maximum xylanase activity of 757.4 IU/g and a cellulase activity of 3.2 IU/g were achieved with the inoculation and incubation of T. reesei and P. chrysosporium for 36 h, followed by A. oryzae for an additional 108 h. This inoculation scheme also resulted in the highest xylanase activity of 399.2 IU/g compared to other fungi combinations in the SSF of DDGS. A large-scale SSF by this fungus combination produced fermented products that had xylanase and cellulase activities of 35.9-57.0 and 0.4-1.2 IU/g, respectively. These products also had 3.5-15.1% lower fiber and 1.3-4.2% higher protein contents, suggesting a potential feed quality improvement.</div>
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