Utilization of wolfberry biomass waste-derived biochar as an efficient solid-phase extraction material for antibiotic detection in aquatic products
文献类型： 外文期刊
作者： Yang, Guangxin 1 ; Zhang, Jingru 2 ; Zhang, Junyu 1 ; Wang, Peng 1 ; Xia, Wei 1 ; Wang, Jun 2 ; Shen, Xiaosheng 1 ; Kong, Cong 1 ;
作者机构： 1.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Shanghai 200090, Peoples R China
2.Ocean Univ China, Coll Marine Life Sci, Qingdao 266003, Peoples R China
关键词： Fluoroquinolone antibiotics; Sulfonamide antibiotics; Biochar; Solid-phase extraction; Aquatic products; Waste-derived biochar
期刊名称：FOOD CHEMISTRY （ 影响因子：9.8； 五年影响因子：9.7 ）
ISSN： 0308-8146
年卷期： 2025 年 492 卷
页码：
收录情况： SCI
摘要： Antibiotic use in aquaculture leads residues in aquatic products, contributing to antimicrobial resistance and potential human toxicity. Complex sample matrices hinder detection. This study uses wolfberry biomass wastederived biochar as a novel solid-phase extraction (SPE) sorbent to detect 26 antibiotic residues (14 fluoroquinolones, 12 sulfonamides) in aquatic products, effectively repurposing agricultural waste into a highperformance, eco-friendly material. The mesoporous structure of the biochar enables rapid diffusion of antibiotics into its interior, facilitating highly efficient adsorption. Adsorption kinetics follow a pseudo-first-order model, reaching equilibrium in 60 min. The superior adsorption performance enables the prepared biochar to serve as an SPE sorbent for drug residue analysis with stable performance over at least three reuse cycles. The SPE was used for real samples analysis based on HPLC-HRMS, and the detection limits was 1-4.5 mu g & sdot;kg- 1, recoveries was 75-119 %. Validation against the national standard GB 31658.17-2021 confirms method practicality and reliability.
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