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| Effect of biotechnology treatment on feeding quality of peanut meal |
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| KeyWord:peanut meal mixed fermentation aflatoxin B1 non-starch polysaccharides |
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| Abstract: |
| Peanut meal has defects of aflatoxin B1(AFB1) easy to exceed standard, high content of non-starch polysaccharides(NSP), poor quality of protein, etc. Peanut meal was treated by microbial(Bacillus subtilis, Saccharomyces cerevisiae and Pediococcusacidilactici) fermentation combined with complex enzyme. The feeding quality of peanut meal was improved. The results showed that after treatment the removal rate of AFB1 in peanut meal was 94.6%, NSP content decreased from 30% to 10.5%, protein content increased from 47.8% to 61.5% and macromolecular protein obviously degraded into small molecule protein. The small peptide content increased from 5.36% to 25.21% and the total content of essential amino acid was improved by 19.67%. Additionally, the content of lactic acid increased from 0.7% to 2.8%. The quality of peanut meal was greatly improved by biotechnology treatment. |
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