variação da composição química do camarão penaeus (m.) brasiliensis latreille, durante estocagem no gelo variation in the chemical composition of shrimp penaeus (m.) brasiliensis latreille during iced storage
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ID: 209975
1981
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Abstract
Este estudo apresenta variações, durante a estocagem em gelo, dos teores de umidade, proteína, cinza e trimetilamina na carne de camarões Penaeus (M.) brasiliensis Latreille, capturado na costa centro-sul do Brasil. As mudanças estão relacionadas com o período de estocagem, relação sexo-tamanho e grau de maturação das fêmeas, sendo observadas interações significativas para umidade e proteína. Os teores de umidade e trimetilamina aumentam e os de proteína e cinza decrescem, durante a extensão do período de estocagem. O acréscimo de trimetilamina foi equivalente para macho e fêmea; no entanto, o mesmo aparenta ser maior para os espécimes machos, porque os mesmos atingem o estágio de produção de trimetilamina antes que as fêmeas, provavelmente devido ao seu menor porte e, consequentemente, maior superfície de exposição à ação do gelo e bactérias. A influência do tamanho dos camarões na produção de trimetilamina durante a estocagem em gelo já havia sido observada por Fieger & Friloux (1954) e Govidan (1962), nos EUA e Índia, respectivamente, porém esta é a primeira evidência de que os acréscimos de trimetilamina não diferem significativamente entre machos, de menor porte, e fêmeas, imaturas e em maturação.
Changes were observed in shrimp during iced storage. Determinations were made on the moisture, protein, ash and trimethylamine content of the Penaeus (M.) brasiliensis, caught off the central southern coast of Brazil. The changes are related to the length of the storage period, the size-sex relationship, and the degree of maturation of the female. The moisture and trimethylamine (TMA) content increased, and the protein and ash contents decreased during an extension of the iced storage time. For moisture and protein contents, the interaction time in iced storage was significant with size-sex relationship, and with the degree of maturation. An increase of TMA during iced storage was equivalent for both male and female species. However, it appeared to be greater for male specimens, because they reach the stage of TMA production ahead of the female.
Changes were observed in shrimp during iced storage. Determinations were made on the moisture, protein, ash and trimethylamine content of the Penaeus (M.) brasiliensis, caught off the central southern coast of Brazil. The changes are related to the length of the storage period, the size-sex relationship, and the degree of maturation of the female. The moisture and trimethylamine (TMA) content increased, and the protein and ash contents decreased during an extension of the iced storage time. For moisture and protein contents, the interaction time in iced storage was significant with size-sex relationship, and with the degree of maturation. An increase of TMA during iced storage was equivalent for both male and female species. However, it appeared to be greater for male specimens, because they reach the stage of TMA production ahead of the female.
| Reference Key |
antunes1981brazilianvariao
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| Authors | ;Sérgio Araújo Antunes;Arthur F Novak;Rodolpho de Camargo |
| Journal | Journal of genetic counseling |
| Year | 1981 |
| DOI |
10.1590/S1679-87591981000100002
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