Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7594818 | Food Chemistry | 2015 | 22 Pages |
Abstract
The inhibitory effect and associated mechanisms of salicylic acid (SA) on the browning of fresh-cut Chinese chestnut were investigated. Shelled and sliced chestnuts were immersed in different concentrations of an SA solution, and the browning of the chestnut surface and interior were inhibited. The activities of polyphenol oxidase (PPO) and peroxidase (POD) extracted from chestnuts were measured in the presence and absence of SA. SA at concentrations higher than 0.3Â g/L delayed chestnut browning by significantly inhibiting the PPO activity (PÂ <Â 0.01), and the POD activity was not significantly affected (PÂ >Â 0.05). The binding and inhibition modes of SA with PPO and POD, determined by AUTODOCK 4.2 and Lineweaver-Burk plots, respectively, established SA as a competitive inhibitor of PPO.
Keywords
Related Topics
Physical Sciences and Engineering
Chemistry
Analytical Chemistry
Authors
Dan Zhou, Lin Li, Yanwen Wu, Junfeng Fan, Jie Ouyang,