Influence of chilling methods on the quality of sardines (Sardina pilchardus). 2002

Raul García, and Mercedes Careche
Instituto del Frío, Consejo Superior de Investigaciones Científicas, José Antonio Novais, Ciudad Universitaria, Madrid, Spain.

The aim of this study was to determine for sardines (Sardina pilchardus) the effect of (i) chilling in ice and water in small expanded polystyrene boxes during distribution and in ice thereafter and (ii) chilling in ice and water for the entire storage period. These storage methods were compared with storage of the fish in ice in wooden boxes or in expanded polystyrene boxes. Three storage experiments were performed to take into account the variability in handling conditions and seasonality. There were significant (P < 0.05) differences in the results of some of the sensory, physical, chemical, and microbiological analyses performed that showed that the fish were of better quality when preserved in water and ice than when preserved in ice alone. The effects of dewatering of the fish after transport and subsequent storage in ice were also significantly different (P < 0.05) from those of storage in ice, with the former storage method resulting in better sensory and microbial indices. However, oxidative rancidity, as measured by thiobarbituric acid-reactive substances, was higher for the dewatered fish than for fish preserved in water and ice throughout the storage period. It is concluded that for sardines, storage in water and ice, either only during transport or throughout the storage period, can be useful as an alternative preservation method during distribution and retail sale.

UI MeSH Term Description Entries
D007053 Ice The solid substance formed by the FREEZING of water.
D009812 Odorants The volatile portions of chemical substances perceptible by the sense of smell. Odors,Aroma,Fragrance,Scents,Aromas,Fragrances,Odor,Odorant,Scent
D005399 Fishes A group of cold-blooded, aquatic vertebrates having gills, fins, a cartilaginous or bony endoskeleton, and elongated bodies covered with scales.
D005511 Food Handling Any aspect of the operations in the preparation, processing, transport, storage, packaging, wrapping, exposure for sale, service, or delivery of food. Food Processing,Handling, Food,Processing, Food
D005516 Food Microbiology The presence of bacteria, viruses, and fungi in food and food products. This term is not restricted to pathogenic organisms: the presence of various non-pathogenic bacteria and fungi in cheeses and wines, for example, is included in this concept. Microbiology, Food
D005519 Food Preservation Procedures or techniques used to keep food from spoiling. Preservation, Food
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001419 Bacteria One of the three domains of life (the others being Eukarya and ARCHAEA), also called Eubacteria. They are unicellular prokaryotic microorganisms which generally possess rigid cell walls, multiply by cell division, and exhibit three principal forms: round or coccal, rodlike or bacillary, and spiral or spirochetal. Bacteria can be classified by their response to OXYGEN: aerobic, anaerobic, or facultatively anaerobic; by the mode by which they obtain their energy: chemotrophy (via chemical reaction) or PHOTOTROPHY (via light reaction); for chemotrophs by their source of chemical energy: CHEMOLITHOTROPHY (from inorganic compounds) or chemoorganotrophy (from organic compounds); and by their source for CARBON; NITROGEN; etc.; HETEROTROPHY (from organic sources) or AUTOTROPHY (from CARBON DIOXIDE). They can also be classified by whether or not they stain (based on the structure of their CELL WALLS) with CRYSTAL VIOLET dye: gram-negative or gram-positive. Eubacteria
D012621 Seasons Divisions of the year according to some regularly recurrent phenomena usually astronomical or climatic. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Seasonal Variation,Season,Seasonal Variations,Variation, Seasonal,Variations, Seasonal
D013649 Taste The ability to detect chemicals through gustatory receptors in the mouth, including those on the TONGUE; the PALATE; the PHARYNX; and the EPIGLOTTIS. Gustation,Taste Sense,Gustations,Sense, Taste,Senses, Taste,Taste Senses,Tastes

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