期刊
JOURNAL OF FOOD SCIENCE
卷 -, 期 -, 页码 -出版社
WILEY
DOI: 10.1111/1750-3841.16785
关键词
browning regulation; Flos Sophorae Immaturus; fresh-cut products; NO-ROS network; thermal treatment
This study investigated the combination use of Flos Sophorae Immaturus extract and thermal treatment to retard browning in fresh-cut potatoes. The combination treatment effectively regulated the activities of enzymes and the accumulation of phenol, as well as the concentrations of nitric oxide, reactive oxygen species, and malondialdehyde. In addition, 39 phytoactive compounds were identified in the extract. These findings suggest that the combination technology can modulate the balance between nitric oxide and reactive oxygen species, thereby reducing browning deterioration and offering a novel option for fresh-cut preservation.
Browning discoloration is a critical issue that negatively affects the quality of fresh-cut products and their industrial growth. Although many individual anti-browning technologies have been adopted, very few reports on the combination use of natural product extracts and physical methods exist. This study investigated the use of Flos Sophorae Immaturus extract in conjunction with thermal treatment and discovered that the combination effectively retarded browning in fresh-cut potatoes. Accordingly, the activities of polyphenol oxidase, peroxidase, and phenylalanine ammonia-lyase, as well as phenol accumulation, were effectively regulated. Meanwhile, this combination treatment also allowed for the modulation of nitric oxide synthase, superoxide dismutase, and catalase activities, while also regulating the concentrations of nitric oxide, superoxide anion, and hydrogen peroxide. Furthermore, the duplex treatment also regulated the antioxidant capacity and malondialdehyde concentrations. In addition, 39 phytoactive compounds, including protocatechuic acid, quercetin, (-)-alpha-pinene, and matrine, were identified in the extract, which may function as the anti-browning composition. These findings suggest that the combination technology modulated the dynamic equilibrium of production and clearance of nitric oxide and reactive oxygen species, thereby reducing browning deterioration. This is, to our knowledge, the first report of the combined application of Flos Sophorae Immaturus and thermal treatment, which may offer a novel option for fresh-cut preservation.
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