Effect of ionizing irradiation on tilapia (Oreochromis niloticus) skin

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dc.contributor.authorFROSE, C.A.P.pt_BR
dc.contributor.authorMOURA, E.pt_BR
dc.contributor.authorYAMAGUISHI, R.B.pt_BR
dc.contributor.authorSOMESSARI, E.S.R.pt_BR
dc.contributor.authorSILVEIRA, C.G.pt_BR
dc.contributor.authorLEME, E.pt_BR
dc.contributor.authorGERALDO, A.B.C.pt_BR
dc.contributor.authorMANZOLI, J.E.pt_BR
dc.contributor.editorDUDALA, JOANNApt_BR
dc.contributor.editorSTEGOWSKI, ZDZISLAWpt_BR
dc.coverageInternacionalpt_BR
dc.creator.eventoINTERNATIONAL CONFERENCE ON DEVELOPMENT AND APPLICATIONS OF NUCLEAR TECHNOLOGIESpt_BR
dc.date.accessioned2022-10-25T13:16:56Z
dc.date.available2022-10-25T13:16:56Z
dc.date.eventoSeptember 11-14, 2011pt_BR
dc.description.abstractThe culture of tropical tilapia (Oreochomis niloticus), as a non-native freshwater fish specie in Brazil, have had importance in the last decade due its fast growing, fast reproduction characteristics, high tolerance of climate variations in our country and high disease resistance. The high demand of whole fish or fillets is related to its good taste. Althought, its skin, that represents from 4.5 % to14 % of fish weight, is a byproduct that is generally discared or sold at low cost to feed mills. The general animal skin composition comprises protein, water, minerals and fatty matter where the relative portions of these materials depends of upon animal specie, age, breed, feeding and other animal habits. The putrecible raw animal skins can be chemically and physically treated to make it in non-putrecible stabilized material; it results in a soft and flexible polymeric material. The chemical process to obtain this material generally involves a crosslinking of carboxyl groups or amino groups of skin proteins and the chemical reactive specie [1]. Also, physical process as UV irradiation have been successfully employed to crosslink collagenous biomaterials and thus, improved some mechanical characteristics [2]. The goal of this work was to study the tilapia skins exposed to ionizing irradiation from electron beams. The raw skins and the chemically degreased skins were the studied materials. The tensile strenght and elongation at break were the mechanical parameters evaluated. The optical microscopy was used to evaluate some histological characteristics in irradiated and non-irradiated samples. Also, the polymeric product obtained when skins are treated with oxidizing ions were used to compare some results. The tilapia raw skins were kindly available by APTA, a governmental agribusiness technological agency. These skins were scales free, slighted and frosted. The skins were irradiated in atmosphere air on a Job 188 Dynamitron® Electron Beam Accelerator with 1.5 MeV energy under comprised doses of 20 kGy and 40 kGy and dose rates of 2.2 kGy/s and 7.4 kGy/s. The mechanical parameters were measured at a Lloyd LXR tensile tester at a crosshead speed of 10.00 mm/min. Irradiated samples shows high integrity and high tensile strength in comparison to the polymeric product obtained by oxidizing ions reaction. These results are discussed.pt_BR
dc.event.siglaNUTECHpt_BR
dc.format.extent62-62pt_BR
dc.identifier.citationFROSE, C.A.P.; MOURA, E.; YAMAGUISHI, R.B.; SOMESSARI, E.S.R.; SILVEIRA, C.G.; LEME, E.; GERALDO, A.B.C.; MANZOLI, J.E. Effect of ionizing irradiation on tilapia (Oreochromis niloticus) skin. In: DUDALA, JOANNA (ed.); STEGOWSKI, ZDZISLAW (ed.). In: INTERNATIONAL CONFERENCE ON DEVELOPMENT AND APPLICATIONS OF NUCLEAR TECHNOLOGIES, September 11-14, 2011, Krakow, Poland. <b>Abstract...</b> Krakow, Poland: Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, 2011. p. 62-62. Disponível em: http://repositorio.ipen.br/handle/123456789/33337.
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/33337
dc.localKrakow, Polandpt_BR
dc.local.eventoKrakow, Polandpt_BR
dc.publisherFaculty of Physics and Applied Computer Science, AGH University of Science and Technologypt_BR
dc.rightsopenAccesspt_BR
dc.subjectelectron beams
dc.subjectexternal irradiation
dc.subjectfish products
dc.subjectionizing radiations
dc.subjectradiation doses
dc.subjectradiolysis
dc.titleEffect of ionizing irradiation on tilapia (Oreochromis niloticus) skinpt_BR
dc.typeResumo de eventos científicospt_BR
dspace.entity.typePublication
ipen.autorEDNILSE LEME
ipen.autorJOSE EDUARDO MANZOLI
ipen.autorAUREA BEATRIZ CERQUEIRA GERALDO
ipen.autorCARLOS GAIA DA SILVEIRA
ipen.autorELIZABETH SEBASTIANA RIBEIRO SOMESSARI
ipen.autorRENATA BAZANTE YAMAGUISHI
ipen.autorEDUARDO DE MOURA
ipen.autorCAMILA APARECIDA PEDROZO FROSE
ipen.codigoautor6549
ipen.codigoautor894
ipen.codigoautor1466
ipen.codigoautor220
ipen.codigoautor1544
ipen.codigoautor8382
ipen.codigoautor1060
ipen.codigoautor9341
ipen.contributor.ipenauthorEDNILSE LEME
ipen.contributor.ipenauthorJOSE EDUARDO MANZOLI
ipen.contributor.ipenauthorAUREA BEATRIZ CERQUEIRA GERALDO
ipen.contributor.ipenauthorCARLOS GAIA DA SILVEIRA
ipen.contributor.ipenauthorELIZABETH SEBASTIANA RIBEIRO SOMESSARI
ipen.contributor.ipenauthorRENATA BAZANTE YAMAGUISHI
ipen.contributor.ipenauthorEDUARDO DE MOURA
ipen.contributor.ipenauthorCAMILA APARECIDA PEDROZO FROSE
ipen.date.recebimento22-10
ipen.event.datapadronizada2011pt_BR
ipen.identifier.ipendoc26555pt_BR
ipen.notas.internasAbstractpt_BR
ipen.type.genreResumo
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sigepi.autor.atividadeMANZOLI, J.E.:894:-1:Npt_BR
sigepi.autor.atividadeGERALDO, A.B.C.:1466:220:Npt_BR
sigepi.autor.atividadeLEME, E.:6549:-1:Npt_BR
sigepi.autor.atividadeSILVEIRA, C.G.:220:-1:Npt_BR
sigepi.autor.atividadeSOMESSARI, E.S.R.:1544:220:Npt_BR
sigepi.autor.atividadeYAMAGUISHI, R.B.:8382:220:Npt_BR
sigepi.autor.atividadeMOURA, E.:1060:220:Npt_BR
sigepi.autor.atividadeFROSE, C.A.P.:9341:-1:Spt_BR
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