Document Detail

Development of Quality Index Method for anchovy (Engraulis anchoita) stored in ice: Assessment of its shelf-life by chemical and sensory methods.
MedLine Citation:
PMID:  22859648     Owner:  NLM     Status:  In-Data-Review    
The objective of this study was to develop a quality index method for Engraulis anchoita stored in ice and to determine its shelf-life based on this quality index method and chemical indices such as total volatile bases and thiobarbituric acid-reactive substances. Besides, the chemical composition with emphasis on the polyunsaturated fatty acids content was determined. The results indicate that E. anchoita is a valuable protein source and lipid with important content of n-3 polyunsaturated fatty acids. The developed quality index method scheme was composed of 28 demerit points, divided into 4 parameters and 10 attributes. All attributes showed correlation with time of storage (R > 0.90). The quality index (QI) presented a linear relationship with storage (QI = 2.55x days in ice + 1.76; R (2 )= 0.98). In the shelf-life assessment-based quality index method, the rejection sensory point was observed after 7 days of storage due to the presence of unpleasant odours and deteriorated appearance. The total volatile basic nitrogen value remained below the upper limit of acceptability during the 10 days of ice storage. The evolution of thiobarbituric acid-reactive substances indicates lipids oxidation during the storage of anchovies. According to the results, the quality index method scheme developed for the E. anchoita stored in ice could be considered adequate to evaluate their freshness and to estimate its shelf-life.
Ae Massa; E Manca; Mi Yeannes
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Food science and technology international = Ciencia y tecnología de los alimentos internacional     Volume:  18     ISSN:  1082-0132     ISO Abbreviation:  Food Sci Technol Int     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-08-03     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9889534     Medline TA:  Food Sci Technol Int     Country:  United States    
Other Details:
Languages:  eng     Pagination:  339-51     Citation Subset:  IM    
1Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina.
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