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罗非鱼鱼片非CO发色工艺优化
引用本文:王 晶,曹雪涛,林向东. 罗非鱼鱼片非CO发色工艺优化[J]. 食品科学, 2015, 36(10): 23-27. DOI: 10.7506/spkx1002-6630-201510005
作者姓名:王 晶  曹雪涛  林向东
作者单位:海南大学食品学院,海南 海口 570228
基金项目:“十二五”国家科技支撑计划项目(2012BAD28B06);海南省自然科学基金项目(311032)
摘    要:拟对罗非鱼片非CO发色工艺进行研究。通过单因素试验,比较L-组氨酸、烟酰胺、亚硝酸钾、亚硝酸钠等对罗非鱼活体和鱼片发色处理的效果,确定亚硝酸钾为优选的发色剂。继而分析亚硝酸钾添加量、发色时间、鱼水质量比、暂养水温度以及放血方式对罗非鱼发色的影响,优化发色工艺。结果表明:亚硝酸钾的添加量、处理时间、鱼水质量比对罗非鱼片的发色具有较显著影响,正交试验确定适宜活体鱼的发色条件为:鱼水质量比1∶10、亚硝酸钾添加量1.5 g/kg、处理时间2 h。此条件下得到L*值45.03、a*值7.42、b*值13.18,感官评分4.4。经检测,活体发色鱼片中亚硝酸钠残留量不大于10 mg/kg,符合GB 2760-2011《食品添加剂使用标准》。

关 键 词:罗非鱼片  发色剂  色泽  亚硝酸钾  感官评定  

Color Stabilization of Tilapia Fillets by Non-Carbon Monoxide Treatment
WANG Jing,CAO Xuetao,LIN Xiangdong. Color Stabilization of Tilapia Fillets by Non-Carbon Monoxide Treatment[J]. Food Science, 2015, 36(10): 23-27. DOI: 10.7506/spkx1002-6630-201510005
Authors:WANG Jing  CAO Xuetao  LIN Xiangdong
Affiliation:College of Food Science and Technology, Hainan University, Haikou 570228, China
Abstract:In the research, we compared the effectiveness of non-carbon monoxide treatments with L-histidine, niacinamide,
potassium nitrite and sodium nitrite for stabilizing the color of live tilapia and tilapia fillets. Potassium nitrite was found to
be the color stabilizer of choice for tilapia fillets. We further analyzed the influence of potassium nitrite dosage, treatment
time, fish-to-water ratio, farming water temperature and bloodletting methods on the color of tilapia and optimized these
factors. The results showed that potassium nitrite concentration, treatment time and fish-to-water ratio all had significant
effects on the color of tilapia fillets, and their optimal levels were determined by orthogonal array design to be 1.5 g/kg, 2 h
and 1:10, respectively. Under these optimal conditions, the L*, a* and b* values of tilapia fillets were 45.03, 7.42 and 13.18,
respectively, and the sensory score was 4.4. In addition, the nitrite residue in tilapia fillets did not exceed 10 mg/kg, which
was in accordance with the Chinese national standard GB 2760?2011: Standards For Uses of Food Additives.
Keywords:tilapia fillets  color fixative  color  potassium nitrite  sensory evaluation  
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