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中国精品科技期刊2020
张玉丽, 高晶, 郭芹, 曹丽琴, 林江丽, 王吉德, 吴斌. 红提葡萄采后贮藏过程中花色苷的动力学研究[J]. 华体会体育, 2013, (20): 353-356. DOI: 10.13386/j.issn1002-0306.2013.20.013
引用本文: 张玉丽, 高晶, 郭芹, 曹丽琴, 林江丽, 王吉德, 吴斌. 红提葡萄采后贮藏过程中花色苷的动力学研究[J]. 华体会体育, 2013, (20): 353-356. DOI: 10.13386/j.issn1002-0306.2013.20.013
ZHANG Yu-li, GAO Jing, GUO Qin, CAO Li-qin, LIN Jiang-li, WANG Ji-de, WU Bin. Degradation kinetics of anthocyanins in red globe grape at anthocyanins at postharvest storage process[J]. Science and Technology of Food Industry, 2013, (20): 353-356. DOI: 10.13386/j.issn1002-0306.2013.20.013
Citation: ZHANG Yu-li, GAO Jing, GUO Qin, CAO Li-qin, LIN Jiang-li, WANG Ji-de, WU Bin. Degradation kinetics of anthocyanins in red globe grape at anthocyanins at postharvest storage process[J]. Science and Technology of Food Industry, 2013, (20): 353-356. DOI: 10.13386/j.issn1002-0306.2013.20.013

红提葡萄采后贮藏过程中花色苷的动力学研究

Degradation kinetics of anthocyanins in red globe grape at anthocyanins at postharvest storage process

  • 摘要: 通过研究红提葡萄花色苷在不同贮藏温度和热处理时间下的稳定性,建立了花色苷降解动力学模型,研究结果表明,红提葡萄花色苷对热处理不稳定,其降解符合一级动力学反应,活化能(Ea)为21.29kJ/mol,指前因子(k0)为145.24,降解速率随温度的增高逐渐增大,而半衰期随着温度的增高逐渐降低。经验证,该降解动力学模型准确有效,可用于红提葡萄贮藏温度的选择和预测不同温度下的贮藏期。 

     

    Abstract: Relationships between storage temperature, heating time and degradation of anthocyanins in the storage process of the red globe grape were analyzed, then the degradation kinetics model of anthocyanins was established. The result showed that the anthocyanins of grape in the process were unstable to heat treatment, the degradation of anthocyanins accords to first order kinetics, the activation energy was 21.29kJ/mol and the pre-exponential factor was 145.24. The degradation rate increasing with the temperature, but half-life decreased as the temperature gradually increasing. The degradation kinetics mode was logical and effective by verification test, which could be used in selection of storing temperature and prediction of storage period at different temperature.

     

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