| 常温下不同气体包装处理对薄皮核桃贮藏品质的影响 |
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| 引用本文： | 张 辉,温昕晔,郑素慧,于会青,李 洁,董柯征,车凤斌.常温下不同气体包装处理对薄皮核桃贮藏品质的影响[J].保鲜与加工,2014,14(4):5-9. |
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| 作者姓名： | 张 辉 温昕晔 郑素慧 于会青 李 洁 董柯征 车凤斌 |
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| 作者单位： | 新疆农业大学食品科学学院;新疆农业大学食品科学学院;新疆农业科学院农产品贮藏加工研究所;新疆农业科学院农产品贮藏加工研究所;新疆农业大学食品科学学院;新疆农业大学食品科学学院;新疆农业科学院农产品贮藏加工研究所 |
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| 基金项目： | 国家科技支撑项目（2011BAD27B01） |
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| 摘 要： | 以新疆阿克苏＂温185＂干制薄皮核桃为试材,研究五种气体包装处理（通气性包装、真空包装、二氧化碳气体包装、氮气包装、自发气调包装（MAP））对常温（20～25℃）条件下贮藏350 d核桃主要品质指标的影响。结果表明,在五种包装处理中,以CO2充气包装的处理效果最好,可延缓薄皮核桃果仁含水率的下降和酸价与过氧化值的升高,并可降低壳裂率,但果仁表皮的单宁含量较低,各气体包装处理对核桃油脂的皂化价和碘价均无显著影响。
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| 关 键 词： | 薄皮核桃 气体包装 常温 贮藏 酸价 过氧化值 含水率 |
Effects of Different Atmospheres Packaging Treatments on Storage Quality of Thin-skinned Walnut at Normal Temperature |
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| Institution: | ZHANG Hui, WEN Xin-ye, ZHENG Su-hui, YU Hui-qing, LI Jie, DONG Ke-zheng, CHE Feng-bin ( 1. College of Food science and Pharmaceutical Science, Xinjiang Agricultural University, Urumqi 830052, China; 2. Institute of Agro-products Storage and Processing, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China) |
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| Abstract: | This study selected ‘Wen 185＇ dried and thin-skinned walnut as the main research material to investigate the effects of different atmospheres on storage quality of walnut. Walnuts were stored in five different atmospheres at room temperature（20 ～25 ℃） separately for 350 days, which included the condition of ventilation, vacuum, carbon dioxide, nitrogen and MAP. The results showed that, in five kinds of packaging treatments, the effect of CO2packaging treatment was the best, it could delay the decrease of water content and the increase of acid value and peroxide value,and reduce the shell cracking rate of thin-skinned walnut, but the tannin content in the epidermis of nut was low. All the five atmospheres packaging treatments had no significant effects on saponification value and iodine value of walnut oil. |
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| Keywords: | thin-skinned walnut atmosphere environment normal temperature storage acid value peroxide value water content |
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