Photocatalytic degradation of aflatoxin B 1 based on prussian blue nanoflower

Authors

ZHANG Tianyu, College of Food Science and Technology Hunan Agricultural University , Changsha , Hunan 410128 , China;Hunan Provincial Key Laboratory of Food Science and Biotechnology , Changsha , Hunan 410128 , China
XIE Xinhui, College of Food Science and Technology Hunan Agricultural University , Changsha , Hunan 410128 , China;Hunan Provincial Key Laboratory of Food Science and Biotechnology , Changsha , Hunan 410128 , China
LU Yan, College of Food Science and Technology Hunan Agricultural University , Changsha , Hunan 410128 , China;Hunan Provincial Key Laboratory of Food Science and Biotechnology , Changsha , Hunan 410128 , China
LU Dai, College of Food Science and Technology Hunan Agricultural University , Changsha , Hunan 410128 , China;Hunan Provincial Key Laboratory of Food Science and Biotechnology , Changsha , Hunan 410128 , China;College of Pharmacy , Hunan University of Chinese Medicine , Changsha , Hunan 410208 , China;TCM and Ethnomedicine Innovation & Development International Laboratory , Changsha , Hunan 410208 , ChinaFollow
SHI Xingbo, College of Food Science and Technology Hunan Agricultural University , Changsha , Hunan 410128 , China;Hunan Provincial Key Laboratory of Food Science and Biotechnology , Changsha , Hunan 410128 , China

Corresponding Author(s)

鲁迨（1996—），女，湖南中医药大学在站博士后。E-mail：x944084134ld@163.com

Abstract

［Objective］ To achieve efficient and environmentally friendly degradation of Aflatoxin B1 (AFB1).［Methods］ This work employs a nucleic acid -mediated methodology to synthesize Prussian Blue Nanoflowers (PBNFs ) characterized by highly efficient photo -Fenton catalytic activity,investigating their photodegradation efficacy and mechanisms against Aflatoxin B1 (AFB1).［Results］］ The findings reveal that,under near -infrared light irradiation (NIR),0.5 μg/mL of AFB1 can be completely eliminated within 4 h,which is attributed to the exceptional photo -Fenton performance of the PBNFs photocatalyst.Optimization experiments indicate that increasing the concentrations of hydrogen peroxide (H2O2) and PBNFs,along with enhancing light intensity,significantly facilitates the photocatalytic degradation of AFB1.Reactive oxygen species generated from H2O2 decomposition,triggered by NIR irradiation of PBNFs,effectively disrupt the terminal furan double bond and the benzene ring side chain of AFB1.Mass spectrometry analysis was conducted to elucidate the degradation products of AFB1,and cytotoxicity assays demonstrated a significant reduction in the toxicity of the AFB1 degradation products.The proposed method was applied to the degradation of AFB1 in three wine samples,achieving degradation rates of 66.6%,90.8%,and 63.4%,respectively.［Conclusion］ This method provides an efficient and environmentally benign approach to the degradation of AFB1 in food samples.

Publication Date

2-18-2025

First Page

19

Last Page

26

DOI

10.13652/j.spjx.1003.5788.2024.81088

Recommended Citation

Tianyu, ZHANG; Xinhui, XIE; Yan, LU; Dai, LU; and Xingbo, SHI (2025) "Photocatalytic degradation of aflatoxin B 1 based on prussian blue nanoflower," Food and Machinery: Vol. 40: Iss. 11, Article 3.
DOI: 10.13652/j.spjx.1003.5788.2024.81088
Available at: https://www.ifoodmm.cn/journal/vol40/iss11/3

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