油炸和真空渗透对冻藏风味小龙虾品质的影响
Effects of frying and vacuum osmotic treatment on the quality of frozen flavor crayfish
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摘要: 以油炸失重率、渗透增重率、感官评分及质构参数为指标,研究了油炸和真空渗透2个关键工艺对冻藏风味小龙虾品质的影响.结果表明,油炸温度160℃,油炸时间4 min为最佳油炸条件.通过比较常压渗透和真空渗透增重率的变化得出:真空渗透能够有效提高渗透效率;感官评分及质构参数的结果表明,产品最佳的真空渗透时间为10 h.Abstract: Effects of two key technologies-frying and vacuum osmotic treatment on the quality of frozen flavor crayfish were studied with the determination of weight loss in frying,weight gain rate during permeating,sensory scores and the texture indexes of products.The results showed that the proper processing condition was frying for 4 min at the temperature of 160℃. With the comparison of the changes of weight gain rate of two pressure conditions of atmosphere pressure and vacuum pressure adapted in the osmotic process,it was found that vacuum treatment could effectively improve the efficiency of osmotic process.The results of sensory scores and texture of products indicated that 10 h would be the best for the quality of frozen flavor crayfish.
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Key words:
- crayfish /
- frying /
- vacuum osmotic treatment /
- texture
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