Recycling deteriorated silage to remove hazardous mycotoxins and produce a value-added product

Silage, an important forage feed, contains hazardous mycotoxins due to spoilage caused by unreasonable management. Deteriorated silage becomes a mycotoxin source and threatens human health and the eco-environment. Recycling deteriorated silage and exploiting beneficial substances would be profitable...

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Bibliographic Details
Published in:Journal of hazardous materials 2022-02, Vol.424 (Pt C), p.127627-127627, Article 127627
Main Authors: Zong, Cheng, Wu, Qifeng, Dong, Zhihao, Wu, Aili, Wu, Jinxin, Shao, Tao, Liu, Qinhua
Format: Article
Language:English
Subjects:
Ammonia
Deteriorated silage
Fermentation
Humans
Medicago sativa
Mycotoxin
Mycotoxins
Silage - analysis
Squalene
Squalene synthase
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Summary:Silage, an important forage feed, contains hazardous mycotoxins due to spoilage caused by unreasonable management. Deteriorated silage becomes a mycotoxin source and threatens human health and the eco-environment. Recycling deteriorated silage and exploiting beneficial substances would be profitable and environmentally friendly. Squalene [60.3–73.9 mg/kg fresh matter (FM)] and 6 types of mycotoxins (4.56–10,080 ug/kg FM) were found in deteriorated silages. To clarify the source and synthesis mechanism of squalene, alfalfa was ensiled at low temperature (LT, 3–20 ℃), 25 ℃ (T25), 30 ℃ (T30) or 35 ℃ (T35) for 10, 40 and 70 d. The highest squalene was detected when alfalfa ensiled for 40 d (P = 0.033) or ensiled at LT and T30 (P 
ISSN:0304-3894
1873-3336
DOI:10.1016/j.jhazmat.2021.127627