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鲜切菠萝涂膜保鲜技术研究 被引量:7

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摘要 以新鲜菠萝为原料,经鲜切处理后,采用三因素三水平正交试验L9(33)研究柠檬酸、异抗坏血酸钠和羧甲基纤维素(CMC)的混合溶液对鲜切菠萝块涂膜保鲜效果的影响。结果表明,各因素对指标影响的主次顺序为:柠檬酸>CMC>异抗坏血酸钠。在(5±1)℃的冷库中贮藏至第8天,处理5、7组(配方分别为0.2%柠檬酸+0.1%异抗坏血酸钠+0.4%CMC、0.5%柠檬酸+0.05%异抗坏血酸钠+0.4%CMC)维生素C含量比对照组高出约0.05 mg/g,处理5、9组(配方分别为0.2%柠檬酸+0.1%异抗坏血酸钠+0.4%CMC、0.5%柠檬酸+0.2%异抗坏血酸钠+0.2%CMC)总糖分别比对照组高出2.55个百分点和2.71个百分点,第7组多酚氧化酶(PPO)活性比对照组低0.028 U/(g.min)。鲜切菠萝涂膜保鲜的最佳方案为第7组,即:0.5%柠檬酸+0.05%异抗坏血酸钠+0.4%CMC。
出处 《河南农业科学》 CSCD 北大核心 2010年第9期114-116,120,共4页 Journal of Henan Agricultural Sciences
基金 国家自然科学基金项目(30771508 30972038)
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参考文献10

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