Abstract
Reactive carbonyl species (RCS), including acrolein (ACR), methylglyoxal (MGO), and glyoxal (GO), are typically generated in food processing and accumulate in the body for ages, triggering various chronic diseases. Here, we investigated the capture capability and reaction pathways of mangiferin one-to-one and one-to-many on RCS in high temperatures using UPLC-MS/MS. We found that mangiferin can capture ACR/MGO/GO to form their adducts, yet, the ability to capture RCS is arranged in different orders, with ACR > MGO > GO for a single RCS and MGO > ACR > GO for multiple RCS. After synthesizing and identifying the structures of the ACR- and MGO-adducts of MGF, our results indicated that MGF-ACR-MGO produced in the multiple-RCS-MGF system was formed by capturing MGO through MGF-ACR rather than through MGF-MGO capturing ACR, which resulting in higher inhibitory activity of MGF against MGO than against ACR. Then, the capture ability and path of MGF on RCS were verified in the coffee-leaves tea and cake.
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