[1]张向前,徐幸莲,周光宏,等.季节和雾化喷淋冷却对猪半胴体干耗及品质的影响[J].南京农业大学学报,2007,30(3):124-128.[doi:10.7685/j.issn.1000-2030.2007.03.024]
 ZHANG Xiang-qian,XU Xing-lian,ZHOU Guang-hong,et al.Effects of season and spray-chilling on carcass shrinkage and pork quality[J].Journal of Nanjing Agricultural University,2007,30(3):124-128.[doi:10.7685/j.issn.1000-2030.2007.03.024]
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季节和雾化喷淋冷却对猪半胴体干耗及品质的影响()
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《南京农业大学学报》[ISSN:1000-2030/CN:32-1148/S]

卷:
30卷
期数:
2007年3期
页码:
124-128
栏目:
出版日期:
2007-08-30

文章信息/Info

Title:
Effects of season and spray-chilling on carcass shrinkage and pork quality
作者:
张向前徐幸莲周光宏李虹敏
南京农业大学教育部肉品加工与质量控制重点实验室,江苏,南京,210095
Author(s):
ZHANG Xiang-qian XU Xing-lian ZHOU Guang-hong LI Hong-min
Key Laboratory of Meat Processing and Quality Control, Ministry of Education, Nanjing Agricultural University, Nanjing 210095, China
关键词:
季节 雾化喷淋冷却 猪半胴体 干耗 微生物
Keywords:
season spray-chilling pig carcass shrinkage microbial counts
分类号:
TS251.1
DOI:
10.7685/j.issn.1000-2030.2007.03.024
文献标志码:
A
摘要:
在冬季和夏季,分别将150头杂交猪常规屠宰后45 min的胴体随机分成5组(每组30头),第1组为常规风冷,其他4组为间歇水喷淋处理组。样品修整后进库冷却,库中配备一套新型雾化喷淋系统,通过调节能对胴体进行间歇水喷淋,喷淋时间分别为4、8、12和16 h,喷淋周期为每间隔30 min喷淋1 min。研究结果表明,宰后24 h常规风冷条件下胴体干耗为1.28%,喷淋4、8、12和16 h胴体干耗依次为1.16%、0.99%、0.83%和0.69%,常规风冷组显著高于其他喷淋组(P<0.05)。夏季滴水损失、背最长肌L*、终点pH值及微生物数量显著高于冬季(P<0.05)。
Abstract:
The effects of season and spray-chilling on carcass shrinkage and pork quality were evaluated. One hundred and fifty crossbred pigs were randomly and equally allocated to five groups(four spray-chilling groups and one air-chilling)at 45 min post-mortem, and then placed in the same chiller in winter and summer, respectively. The carcass sides in spray-chilling groups were intermittently sprayed for 1 min at half-hour intervals for 4, 8, 12 and 16 h, while control sides were air-chilled. Spray-chilling had significant effect(P<0.05)on shrinkage. Drip loss, L*-value of longissimus, ultimate pH and microbial counts in summer were higher(P<0.05)than those in winter. After 24 h chilling, the shrinkage were 1.28%, which is higher(P<0.05)than shrinkage of 1.16%, 0.99%, 0.83% and 0.69% from spray-chilling sides in 4, 8, 12 and 16 h, respectively.

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备注/Memo

备注/Memo:
江苏省科技厅成果转化资金项目(BA2005009)
更新日期/Last Update: 2007-08-30