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Solid state fermentation of rapeseed cake with Aspergillus niger for degrading glucosinolates and upgrading nutritional value

Overview of attention for article published in Journal of Animal Science and Biotechnology, April 2015
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Title
Solid state fermentation of rapeseed cake with Aspergillus niger for degrading glucosinolates and upgrading nutritional value
Published in
Journal of Animal Science and Biotechnology, April 2015
DOI 10.1186/s40104-015-0015-2
Pubmed ID
Authors

Changyou Shi, Jun He, Jie Yu, Bing Yu, Zhiqing Huang, Xiangbing Mao, Ping Zheng, Daiwen Chen

Abstract

Rapeseed cake is a good source of protein for animal feed but its utilization is limited due to the presence of anti-nutritional substances, such as glucosinolates (Gls), phytic acid, tannins etc. In the present study, a solid state fermentation (SSF) using Aspergillus niger was carried out with the purpose of degrading glucosinolates and improving the nutritional quality of rapeseed cake (RSC). The effects of medium composition and incubation conditions on the Gls content in fermented rapeseed cake (FRSC) were investigated, and chemical composition and amino acid in vitro digestibility of RSC substrate fermented under optimal conditions were determined. After 72 h of incubation at 34°C, a 76.89% decrease in Gls of RSC was obtained in solid medium containing 70% RSC, 30% wheat bran at optimal moisture content 60% (w/w). Compared to unfermented RSC, trichloroacetic acid soluble protein (TCA-SP), crude protein and ether extract contents of the FRSC were increased (P < 0.05) 103.71, 23.02 and 23.54%, respectively. As expected, the contents of NDF and phytic acid declined (P < 0.05) by 9.12 and 44.60%, respectively. Total amino acids (TAA) and essential amino acids (EAA) contents as well as AA in vitro digestibility of FRSC were improved significantly (P < 0.05). Moreover, the enzyme activity of endoglucanase, xylanase, acid protease and phytase were increased (P < 0.05) during SSF. Our results indicate that the solid state fermentation offers an effective approach to improving the quality of proteins sources such as rapeseed cake.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 105 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Korea, Republic of 1 <1%
Unknown 104 99%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 20 19%
Student > Master 13 12%
Researcher 11 10%
Student > Bachelor 7 7%
Professor 6 6%
Other 14 13%
Unknown 34 32%
Readers by discipline Count As %
Agricultural and Biological Sciences 29 28%
Biochemistry, Genetics and Molecular Biology 16 15%
Chemistry 8 8%
Immunology and Microbiology 4 4%
Environmental Science 3 3%
Other 5 5%
Unknown 40 38%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 18 April 2015.
All research outputs
#22,758,309
of 25,373,627 outputs
Outputs from Journal of Animal Science and Biotechnology
#873
of 903 outputs
Outputs of similar age
#241,103
of 279,941 outputs
Outputs of similar age from Journal of Animal Science and Biotechnology
#5
of 6 outputs
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So far Altmetric has tracked 903 research outputs from this source. They receive a mean Attention Score of 3.3. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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