Patulin removal from apple juice using a novel cysteine-functionalized metal-organic framework adsorbent

Food Chemistry
Manshun LiuJianlong Wang

Abstract

Patulin (PAT) is one of the most common toxic contaminants of apple juice, which causes severe food safety issues throughout the apple industry. In order to remove PAT efficiently, a metal-organic framework-based adsorbent (UiO-66(NH2)@Au-Cys) was successfully synthesized and used for PAT removal from juice-pH simulation solution and real apple juice. Batch adsorption experiments were systematically performed to study the adsorption behavior for PAT. The results showed that adsorption process could be well described by the Pseudo-second order model and Freundlich isotherm model. The maximum adsorption capacity (4.38 µg/mg) was 10 times higher than the microbe-based biosorbents. Thermodynamic investigation demonstrated that adsorption process was spontaneous and endothermic. Furthermore, no marked cytotoxicity on NIH 3T3 cell lines was observed when the concentration of the adsorbent was lower than 10 μg/mL. Therefore, UiO-66(NH2)@Au-Cys is a potential adsorbent for PAT removal from apple juice with little quality changes.

Citations

Oct 3, 2020·Analytical Methods : Advancing Methods and Applications·Xin YaoChangjun Hou
Sep 18, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Héctor Martínez Pérez-CejuelaErnesto F Simó-Alfonso
Jun 23, 2020·Food Science & Nutrition·Mohammad RezaeiZahra Ghasempour
Dec 19, 2020·Comprehensive Reviews in Food Science and Food Safety·Guillaume Legrand Ngolong NgeaHongyin Zhang
Dec 19, 2020·Comprehensive Reviews in Food Science and Food Safety·Boqiang LiShiping Tian
Mar 3, 2021·Food Research International·Xiangfeng ZhengZhenquan Yang
Mar 21, 2021·Food Chemistry·Anna MagriTomy J Gutiérrez
Jul 31, 2019·Chemical Reviews·Pei-Long WangHong-Cai Zhou
Dec 1, 2021·ACS Applied Materials & Interfaces·Jie ChengPeilong Wang

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