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Potential, risks, and benefits of the extract recycled from Pteris vittata arsenic-rich biomass as a broiler growth promoter
Journal of Hazardous Materials ( IF 12.2 ) Pub Date : 2021-10-21 , DOI: 10.1016/j.jhazmat.2021.127557
Wen Cai 1 , Tongbin Chen 2 , Mei Lei 2 , Xiaoming Wan 2
Affiliation  

The arsenic-rich biomass of Pteris vittata is a heavy burden to phytoremediation, but the compositions of extracts recycled from arsenic-rich biomass, such as rutin, may promote broiler growth. As such, this extract can be used to reduce the usage of antibiotics in the broiler industry and the cost of phytoremediation at the same time. Therefore, the critical issues for using extract from arsenic-rich biomass as a growth promoter have been studied, including its effective composition, health and environmental risks, and potential benefits and feasibility. Forty-five compounds were identified in the extract, and they were mainly flavonoids, chlorogenic acids, and proanthocyanidins, which can directly or indirectly influence the growth of broiler. The lifetime carcinogenic risks of broiler edible parts may be maximally increased by 4.75 × 10-9 due to feeding the extract. The arsenic concentration of the farmland fertilized with the excrement from the broiler fed with the extract may increase by 0.00003–0.01857 mg/kg per year. Results revealed a feasible scenario that the sustainability of phytoremediation and broiler industry could be benefited through wastes from each other.



中文翻译:

从蕨菜富含砷的生物质中回收的提取物作为肉鸡生长促进剂的潜力、风险和益处

蕨菜富含砷的生物质是植物修复的沉重负担,但从富含砷的生物质中回收的提取物(如芦丁)的成分可能会促进肉鸡的生长。因此,这种提取物可用于减少肉鸡行业中抗生素的使用,同时降低植物修复的成本。因此,研究了使用富砷生物质提取物作为生长促进剂的关键问题,包括其有效成分、健康和环境风险以及潜在的益处和可行性。提取物中鉴定出45种化合物,主要为黄酮类、绿原酸类和原花青素,可直接或间接影响肉鸡的生长。肉鸡可食部分的终生致癌风险可最大增加4.75×10 -9由于喂食提取物。饲喂该提取物的肉鸡粪便施肥的农田砷浓度每年可增加0.00003-0.01857 mg/kg。结果揭示了一个可行的方案,即植物修复和肉鸡行业的可持续性可以通过彼此的废物受益。

更新日期:2021-10-30
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