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Updated: Jun 12, 2025

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Published on: May 23, 2025
Citral: A potent inhibitor of advanced glycation end products
Xin Yang1, Siyu Wei1, Kangdi Hou1
1College of Food Science and Nutritional Engineering, National Engineering Research Centre for Fruits and Vegetables Processing, Key Laboratory of Storage and Processing of Fruits and Vegetables, Ministry of Agriculture, Engineering Research Centre for Fruits and Vegetables Processing, Ministry of Education, China Agricultural University, Beijing 100083, China.
Abstract:
Advanced glycation end products (AGEs), which are produced during food processing, pose health risks to humans. This study found that citral (Cit) effectively inhibited the formation of both fluorescent and non-fluorescent AGEs in the bovine serum albumin (BSA)-glucose (Glc) system. Cit achieved an average inhibition rate of over 80 % for fluorescent AGEs and reduced the levels of N-ε-carboxymethyllysine (CML) and N-ε-carboxyethyllysine (CEL) by up to 45.85 % and 59.32 %, respectively. The comprehensive characterizations and high-resolution mass spectrometry analysis demonstrated that the carbonyl group and CC group present on Cit could compete with Glc for the amino groups on BSA, thereby reducing the formation of AGEs. Additionally, the cytotoxicity assay demonstrated that the BSA-Cit adducts were non-toxic. This research indicated that Cit was a potent and safe inhibitor of AGEs.
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