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温度波动对冷藏鸭肉品质的影响
Effect of duck quality in cold storage with fluctuating temperatures
【摘要】 将鸭肉分别放在(5±0.5)℃和(5±1~2)℃的冷藏环境中进行贮藏对比实验。在贮藏过程中定期对鸭肉进行感官评定和生化检测。贮期末,两个样品菌落总数为7.3×105 cfu/100g和6.2×106 cfu/100g;TVB-N值为22.26mg/100g和27.68mg/100g;pH为6.33和6.41。结果表明,温度波动下的鸭肉在第5天时已接近腐败,而恒温下贮藏的鸭肉在第7天时才接近腐败。
【Abstract】 Duck preserved under cold storage temperature of(5±0.5) ℃and(5±1~2) ℃ was studied.Organoleptic quality,biochemical test were investigated during the storage.At the end of the storage,two samples had the total bacteria count of 7.3×105 cfu/100g,6.2×106 cfu/100g;the TVB-N of 22.26 mg/100g,27.68 mg/100g,the pH of 6.33,6.41.The results showed that duck stored with fluctuating temperature had decayed on 5th day,and the ones stored with constant temperature got spoilage on 7th day.
【关键词】 鸭肉;
冷藏;
感官评定;
生化检测;
温度波动;
【Key words】 duck; cold storage; organoleptic quality; biochemical test; fluctuating temperature;
【Key words】 duck; cold storage; organoleptic quality; biochemical test; fluctuating temperature;
【基金】 上海市教委发展基金项目(科04-136)。
- 【文献出处】 食品科技 ,Food Science and Technology , 编辑部邮箱 ,2008年01期
- 【分类号】TS251
- 【被引频次】14
- 【下载频次】311