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当前位置: 首页 > 文章 > 高体积分数CO_2气调包装对冷藏凡纳滨对虾品质的影响 食品科学 2016,37 (18) 197-201
Position: Home > Articles > Effect of High Carbon Dioxide Modified Atmosphere Packaging(MAP) on the Quality of Litopenaeus vannamei during Cold Storage FOOD SCIENCE 2016,37 (18) 197-201

高体积分数CO_2气调包装对冷藏凡纳滨对虾品质的影响

作  者：
谢晶;程颖;杨胜平;章缜;钱韻芳;邓雪蕾
单  位：
上海海洋大学食品学院上海水产品加工及贮藏工程技术研究中心
关键词：
凡纳滨对虾;二氧化碳;气调包装;品质
摘  要：
为研究高体积分数CO_2气调包装对凡纳滨对虾品质的影响,以空气包装为对照,分别采用100%CO_2、80%CO_2+20%N_2和50%CO_2+10%O_2+40%N_2气调包装对虾,并在(4±1)℃条件下贮藏10 d,期间每2 d测定对虾细菌总数及其挥发性盐基氮值、肌肉纤维长度、硬度、多酚氧化酶活性、白度、感官评分的变化。结果表明:在冷藏条件下,高体积分数CO_2气调包装能有效抑制细菌的生长繁殖和多酚氧化酶的活性,且CO_2体积分数越高抑制效果越明显;但100%CO_2处理的对虾与80%CO_2组相比,其样品挥发性盐基氮值较高,肌肉纤维长度和硬度均较小,感官品质较差;50%CO_2组对虾白度较低,与空白对照组差异不明显。因此,所选取高体积分数CO_2气调包装中,80%CO_2组的保鲜效果最佳,能有效延长凡纳滨对虾的冷藏货架期至8 d。
译  名：
Effect of High Carbon Dioxide Modified Atmosphere Packaging(MAP) on the Quality of Litopenaeus vannamei during Cold Storage
作  者：
XIE Jing;CHENG Ying;YANG Shengping;ZHANG Zhen;QIAN Yunfang;DENG Xuelei;Shanghai Engineering Research Center of Aquatic-Product Processing and Preservation, College of Food Science and Technology,Shanghai Ocean University;
关键词：
Litopenaeus vannamei;;carbon dioxide;;modified atmosphere packaging;;quality
摘  要：
This study was undertaken to investigate the effect of high carbon dioxide(CO_2) modified atmosphere packaging on the quality of Litopenaeus vannamei. To this end, L. vannamei samples were packaged in modified atmospheres with different CO_2 contents, i.e., 100% CO_2, 80% CO_2 + 20% N_2 and 50% CO_2 + 10% O_2 + 40% N_2, and air(which was used as control), respectively, and then stored at(4 ± 1) ℃ for 10 days. Shrimp quality indices including microbial growth, total volatile basic nitrogen(TVB-N), myofibril length, hardness value, polyphenol oxidase activity, whiteness and sensory attributes were determined every 2 days during the storage period. The results showed that the CO_2 modified atmosphere packaging could effectively inhibit the growth of bacteria and the activity of polyphenol oxidase, and the inhibitory effect increased with increasing CO_2 concentration in package. However, higher TVB-N content, lower hardness value, shorter myofibril length and more severe sensory quality loss were observed in samples stored at 100% CO_2 in comparison with those stored at 80% CO_2. In term of whiteness value, no obvious difference was found between 50% CO_2 treatment and the control. Therefore, among the three modified atmosphere packaging treatments, 80% CO_2 + 20% N_2 treatment was the most favorable, which could prolong the shelf life of L. vannamei to 8 days.

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