Kinetic modelling of non-enzymatic browning and changes of physio-chemical parameters of peach juice during storage
文献类型: 外文期刊
第一作者: Lyu, Jian
作者: Lyu, Jian;Liu, Xuan;Bi, Jinfeng;Wu, Xinye;Zhou, Linyan;Ruan, Weihong;Zhou, Mo;Jiao, Yi
作者机构:
关键词: Non-enzymatic browning;Kinetic model;Peach juice;Color;5-HMF
期刊名称:JOURNAL OF FOOD SCIENCE AND TECHNOLOGY-MYSORE ( 影响因子:2.701; 五年影响因子:3.574 )
ISSN: 0022-1155
年卷期: 2018 年 55 卷 3 期
页码:
收录情况: SCI
摘要: Kinetics of non-enzymatic browning and loss of free amino acids during different storage temperature (4, 25, 37 A degrees C) were investigated. Changes of browning degree (A (420)), color parameters, Vitamin C (V (c)), free amino acids and 5-hydroxymethylfurfural (5-HMF) were analyzed to evaluate the non-enzymatic browning reactions, which were significantly affected by storage temperature. The lower temperature (4 A degrees C) decreased the loss of V (c) and the generation of 5-HMF, but induce the highest loss of serine. At the end of storage, loss of serine, alanine and aspartic acid were mainly lost. Results showed that zero-order kinetic model (R (2) > 0.859), the first-order model (R (2) > 0.926) and the combined kinetic model (R (2) > 0.916) were the most appropriate to describe the changes of a (*) and b (*) values, the degradation of V (c) and the changes of A (420), L (*) and 5-HMF during different storage temperatures. These kinetic models can be applied for predicting and minimizing the non-enzymatic browning of fresh peach juice during storage.
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