精炼栀子果油氧化稳定性研究及货架期预测
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摘要
以精炼栀子果油为原料,分析了不同贮藏条件(光照、氧气、温度)对精炼栀子果油过氧化值的影响,建立精炼栀子果油的氧化动力学模型,预测精炼栀子果油的货架期。结果表明:精炼栀子果油的氧化稳定性受光照、氧气和温度的影响,在避光、密封、低温的贮藏条件下能有效降低过氧化值的增长速率,延长贮藏时间。精炼栀子果油的氧化遵循一级反应动力学方程,所得模型为C=C_0·exp[exp(-4 495. 1/T+11. 69)·t]。通过推算可得出密封、避光条件下精炼栀子果油在25、20、15℃条件下的货架期分别为95、123、160 d。
The effect of different storage conditions( light,oxygen and temperature) on the peroxide value of refined gardenia fruit oil was analyzed,and the oxidation kinetics model of the refined gardenia fruit oil was established to predict the shelf life. The results showed that the oxidation stability of refined gardenia fruit oil was affected by light,oxygen and temperature. When the refined gardenia fruit oil was stored under the conditions of avoiding light,sealing and low temperature,the growth rate of peroxide value was effectively reduced and the storage time prolonged. The oxidation of the refined gardenia fruit oil followed the first order reaction kinetics. The model obtained was C = C_0·exp[exp(-4 495. 1/T +11. 69) ·t].The predictive shelf lives of the refined gardenia fruit oils in sealed and light proof conditions at 25,20 ℃and 15 ℃ were 95,123 d and 160 d respectively.
The effect of different storage conditions( light,oxygen and temperature) on the peroxide value of refined gardenia fruit oil was analyzed,and the oxidation kinetics model of the refined gardenia fruit oil was established to predict the shelf life. The results showed that the oxidation stability of refined gardenia fruit oil was affected by light,oxygen and temperature. When the refined gardenia fruit oil was stored under the conditions of avoiding light,sealing and low temperature,the growth rate of peroxide value was effectively reduced and the storage time prolonged. The oxidation of the refined gardenia fruit oil followed the first order reaction kinetics. The model obtained was C = C_0·exp[exp(-4 495. 1/T +11. 69) ·t].The predictive shelf lives of the refined gardenia fruit oils in sealed and light proof conditions at 25,20 ℃and 15 ℃ were 95,123 d and 160 d respectively.
引文
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[3]刘继平,许海,胡锐,等.栀子油对S180荷瘤小鼠肿瘤生长及胸腺、脾指数的影响[J].西北药学杂志,2010,25(2):112-114.
[4]包亚妮,董建青,贺文浩,等.二次通用旋转组合设计法优化超临界CO2萃取栀子油的工艺研究[J].中国粮油学报,2011,26(5):66-70.
[5]李昊阳,王飞运,刘华敏,等.不同方法制备的栀子果油的理化性质比较[J].现代食品科技,2016(9):209-215.
[6]HE W,GAO Y,YUAN F,et al.Optimization of supercritical carbon dioxide extraction of gardenia fruit oil and the analysis of functional components[J].J Am Oil Chem Soc,2010,87(9):1071-1079.
[7]袁源见,罗光明,杨晓娟,等.栀子油化学成分、提取工艺及功效的研究进展[J].中国油脂,2017,42(6):20-24.
[8]倪勤学,高前欣,徐志丰,等.2种栀子果主要经济性状及栀子果仁油成分分析[J].中国粮油学报,2017,32(10):79-84.
[9]李宝莉,陈雅慧,杨暄,等.栀子油的提取和对中枢神经系统的作用[J].医学争鸣,2008(23):2152-2155.
[10]TAO W,ZHANG H,XUE W,et al.Optimization of supercritical fluid extraction of oil from the fruit of Gardenia jasminoides and its antidepressant activity[J].Molecules,2014,19(12):19350-19360.
[11]杨晓红,胡明阳,许廷山.栀子油脂制取亚油酸的研究[J].化学与生物工程,2001,18(2):13-14.
[12]曹文明,薛斌,袁超,等.油脂氧化酸败研究进展[J].粮食与油脂,2013,26(3):1-5.
[13]林丹,吴雪辉,杨公明,等.米糠油氧化稳定性研究及货架期预测[J].现代食品科技,2012(10):1323-1326.
[14]程宏,陈钊,管伟举.油脂氧化劣变及防范对策[J].粮食与油脂,2010(4):7-8.
[15]刘丽萍,杨怀娜.榛子油储存期预测[J].粮油加工,2010(5):5-7.