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- Title
Developing a Quality Index grading tool for hybrid striped bass ( Morone saxatilis × Morone chrysops) based on the Quality Index Method.
- Authors
Nielsen, Durita; Green, David
- Abstract
A Quality Index Method (QIM) scheme was developed for hybrid striped bass ( Morone saxatilis × M. chrysops). The new scheme is a convenient way to estimate storage time and remaining shelf life of fresh hybrid striped bass stored in ice. It consists of eight descriptors resulting in a total allowable score or Quality Index (QI) of fourteen points. Partial least squares regression (PLSR) was used to separate the effects of storage time and origin of fish. The calculated QI related linearly with storage days (QI = 0.483 × days in ice + 1.568, r2 = 0.934). Storage time of unknown samples can be predicted from this relationship with a prediction error of ±1.2 days. Using Quantitative Descriptive Analysis (QDA), the maximum shelf life of fresh hybrid striped bass was determined to be 14 days in ice.
- Subjects
HYBRID bass; SHELF-life dating of food; FOOD preservation; REGRESSION analysis; QUALITY standards; QUANTITATIVE research
- Publication
International Journal of Food Science & Technology, 2007, Vol 42, Issue 1, p86
- ISSN
0950-5423
- Publication type
Article
- DOI
10.1111/j.1365-2621.2006.01216.x