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Preparation of High-Quality Fermented Fish Product
Published on: August 23, 2019
Development of a time-temperature indicator based on Maillard reaction for visually monitoring the freshness of
Beibei Ye1, Jian Chen1, Huangwei Ye1
1Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, P.R. China.
Abstract:
Due to the highly cost-effective and maneuverable property, Maillard reaction-based time-temperature indicators (TTIs) are considered ideal devices for temperature track and quality indication. The objective of this study was to develop a cold-sensitive TTI based on the Maillard reaction reflecting the freshness of chilled seafood. Firstly, the color evolution trends of a series of Maillard reaction-based TTIs were investigated and the xylose-lysine group represented obvious color change. Fourier transform infrared (FTIR) spectroscopy revealed the color change was associated with the formation of CN bond in melanoidin. Simultaneously, the relationships of the color change of TTI with time and temperature were established. The activation energy value (Ea) of TTI was close to that of mackerel. There existed a good relevance (R2 = 0.98) between the color change of TTI and the total volatile basic nitrogen content of mackerel, suggesting this novel TTI might have the potential to monitor the freshness of mackerel.
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