不同复合包装材料对即食小龙虾品质的影响Effect of Different Compound Packaging Materials on the Quality of Ready-to-eat Crayfish
李肖婵,林琳,郑静静,姜绍通,陆剑锋
摘要(Abstract):
为有效延长即食小龙虾的货架期,探讨了4种不同复合包装袋(PA/CPP、PA/PE/RCP、PET/AL/NY/CPP、PET/AL/PA/CPP)对30℃贮藏温度下即食小龙虾(110℃反压杀菌20min)品质的影响。将即食小龙虾进行真空包装后,以感官特性、理化性能、微生物等作为评价指标,比较1个月内不同复合包装袋对即食小龙虾品质的影响。结果表明:在贮藏期间,PET/AL/NY/CPP复合袋的感官评分最优且始终大于5分;4种复合袋包装的即食小龙虾的硬度和咀嚼性值均随储存时间的延长而显著降低(p<0.05),但是弹性和回复性差异不显著(p>0.05);PET/AL/PA/CPP复合袋包装的即食小龙虾具有较低的TBA值,即脂肪氧化程度低于其他3种复合包装袋的;PA/CPP复合袋包装的即食小龙虾在贮藏后期感官评分低于不可接受值5分,其保鲜效果在4种复合包装袋中最差。
关键词(KeyWords): 即食小龙虾;包装材料;菌落总数;质构;感官评分
基金项目(Foundation): 国家虾蟹产业技术体系(CARS-48);; 安徽水产产业技术体系(AHCYJSTX-08)
作者(Author): 李肖婵,林琳,郑静静,姜绍通,陆剑锋
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