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Registros recuperados: 6
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Development of lipid oxidation during manufacturing of horse mackerel surimi ArchiMer
Eymard, Sylvie; Carcouet, Elodie; Rochet, Marie-joelle; Dumay, Justine; Chopin, Christine; Genot, Claude.
When fatty fish are transformed into surimi, lipid oxidation takes place, decreasing the quality of the product. This study was aimed to identify the critical stages of the process in terms of the development of lipid oxidation. Horse mackerels were transformed into surimi on a pilot line and samples taken (hand-skinned fillets = minced fillets, mince, washed and refined minces, paste, surimi and washing water). Most of the lipids were removed during the process and neutral lipids were lost in higher proportion than polar lipids. As a consequence, total lipids of surimi contained more polyunsaturated fatty acids (338 19 g kg(-1)) than total lipids of the minced fillets (220 8 g kg-1). Thiobarbituric acid reactive substances (TBARS) was higher in the minced...
Tipo: Text Palavras-chave: Process; Fatty fish; Surimi; Polyunsaturated fatty acids; Lipid oxidation.
Ano: 2005 URL: http://archimer.ifremer.fr/doc/2005/publication-424.pdf
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Effect of vacuum and modified atmosphere packaging on the microbiological, chemical and sensory properties of tropical red drum ( Sciaenops ocellatus ) fillets stored at 4 °C ArchiMer
Silbande, Adele; Adenet, Sandra; Chopin, Christine; Cornet, Josiane; Smith-ravin, Juliette; Rochefort, Katia; Leroi, Francoise.
Aims The effect of vacuum (VP – 4 °C) and CO2/N2–atmosphere (MAP – 4 °C) packaging on the quality of red drum fillets compared with whole gutted iced fish was investigated. Methods and results A metagenomic approach, bacterial enumeration and isolation, biochemical and sensory analyses were carried out. The organoleptic rejection of whole fish was observed at day 15 whereas VP and MAP fillets appeared unacceptable only after 29 days. At these dates, total mesophilic counts reached 107–108 CFU g− 1. According to Illumina MiSeq sequencing, Arthrobacter, Chryseobacterium, Brevibacterium, Staphylococcus and Kocuria were the main genera of the fresh red drum fillets. At the sensory rejection time, lactic acid bacteria (LAB), particularly Carnobacterium sp.,...
Tipo: Text Palavras-chave: Seafood; Biogenic amine; VP; MAP; NGS; 16S rRNA gene.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00407/51858/52468.pdf
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Optimisation of liquor yield during the hydraulic pressing of sardine (Sardina pilchardus) discards ArchiMer
Perez-galvez, Raul; Chopin, Christine; Mastail, Max; Ragon, Jean-yves; Guadix, Antonio; Berge, Jean-pascal.
Fresh sardine (employed as discard model species) was pressed with a hydraulic press in order to obtain a partially dewatered cake (whose volume represents between 55% and 60% of the initial Volume of raw material) and a 3-phase press liquor comprising an aqueous fraction, an oil fraction and a variable amount of suspended solids. Pressing conditions, such as final pressure to which the sardine was subjected, compression speed, number of pressing stages and time of relaxation between two consecutive pressing stages, were optimised by means of a statistically designed experiment. The goal of the optimisation problem was to achieve maximal yield of press liquor with a minimum load of suspended solids. The Suspended solid content in the press liquor Must be...
Tipo: Text Palavras-chave: Multiobjective optimisation; Response surface methodology; Hydraulic pressing; Fish discards; Sardine.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/publication-7415.pdf
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Propriétés gélifiantes des protéines myofibrillaires du poisson (surimi). L'exemple du Tacaud (Trisopterus luscus) ArchiMer
Verrez-bagnis, Veronique; Chopin, Christine; Han Ching, Lucay.
Surimi is a japanese term refering to minced and thoroughly washed fish meat. Quality of surimi is determined by its ability to form a firm and elastic gel after heat treatment. The parameters affecting this property are : fish species, storage before further processing (refrigeration, icing, freezing), addition of cryoprotectors limiting the protein denatura during freeze storage, addition of texturing agent such as starch and egg white. The effects of some of these parameters have been studied on Whiting-pout surimi (Trisoptesus Luscus). Water content of surimi has a great influence on kamaloko quality. Increase ,in starch and egg white concentration does not improve gel quality in terms of rigidity and cohesiveness. A ten day storage of whiting-pout on...
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Ano: 1988 URL: http://archimer.ifremer.fr/doc/00057/16808/14268.pdf
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Salmon Gravlax Biopreservation: Impact on organoleptic properties, microbial ecosystem and volatilome ArchiMer
Wiernasz, Norman; Chevalier, Frederique; Cardinal, Mireille; Cornet, Josiane; Rohloff, Jens; Jerome, Marc; Chopin, Christine; Donnay-moreno, Claire; Skirnisdottir, S; Pilet, Marie France; Passerini, Delphine; Leroi, Francoise.
Seafood and fishery products are very fragile commodities with a short shelf-life as the consequence of organoleptic and microbiological qualities quick deterioration. Spoilage, resulting from microbial growth and activity, is responsible for up to 25% of food losses in post-harvest and industry1. In this context and to meet the consumer’s demand for minimally processed food, developing mild preserving technologies such as biopreservation, represents a crucial challenge. In this work, we studied the impact of 6 lactic acid bacteria (LAB), selected by Wiernasz et al. (2017)2, used as bioprotective agents on dill Gravlax microbial ecosystem, organoleptic properties and volatilome.
Tipo: Text
Ano: 2018 URL: http://archimer.ifremer.fr/doc/00459/57029/58926.pdf
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Study of the interaction of fish myosin with the products of lipid oxidation: The case of aldehydes ArchiMer
Chopin, Christine; Kone, Matenin; Serot, Thierry.
The aim of this study was to assess the modifications of fish myosin induced by interactions with four aldehydes: hexanal, 2-hexenal, 2,4-hexadienal, and 2,6-nonadienal. These compounds are generated during lipid oxidation and are known to have an impact on the functional properties of proteins. The interactions between protein and aldehydes were highlighted by measuring the content of aldehydes in the gaseous phase by the SPME-GC technique. Results show that the partition of aldehydes between the proteinaceous system and the gas phase decreases with time, except for hexanal. This decrease is proportional to the number of carbons and double bonds. The reaction between myosin and unsaturated aldehydes induces a decrease in the free sulfhydryl and amino...
Tipo: Text Palavras-chave: SPME; Interactions; Aldehydes; Fish myosin.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/publication-2676.pdf
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