Clove oil as an anesthetic on Nile tilapia adults
The objective of this study was to test the efficiency of clove oil as an anesthetic for adult tilapia (Oreochromis niloticus) and to evaluate, sensorially, the aroma and taste of fillets after anesthesia. In the first experiment, fish were exposed to different clove oil concentrations (0, 100, 150, 200, 250 and 350 mg L-1) of anesthetic baths. In the second experiment, different times of exposure (10, 20 and 30 minutes) to anesthesia were evaluated. Finally, the aroma and taste of the tilapia fillets, when exposed to optimal concentration of clove oil, were tested. The concentration of 250 mg L-1 of clove oil was adequate to induce lower opercular movement in adult tilapia, and for anesthesia for biometrics and brief management, the recommended concentration is 100 mg L-1. Fillets from tilapia anesthetized with clove oil showed a moderate difference in aroma and taste just after anesthesia. Thus, clove oil is an effective anesthetic for the management of adult tilapia as a routine procedure in fish farming, however tilapias should be slaughtered 12 hours after exposure to the drug, so as not to change the organoleptic characteristics of anesthetized fishes.
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Pesquisa Agropecuaria Brasileira
2011
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rev-pab-br-article-93022014-11-17T15:59:29Z Clove oil as an anesthetic on Nile tilapia adults Óleo de cravo como anestésico em adultos de tilápia-do-nilo Simões, Larissa Novaes Paiva, Genilson Gomes, Levy de Carvalho Oreochromis niloticus; sensory analysis; fillets; sedation Oreochromis niloticus; análise sensorial; filés; sedação The objective of this study was to test the efficiency of clove oil as an anesthetic for adult tilapia (Oreochromis niloticus) and to evaluate, sensorially, the aroma and taste of fillets after anesthesia. In the first experiment, fish were exposed to different clove oil concentrations (0, 100, 150, 200, 250 and 350 mg L-1) of anesthetic baths. In the second experiment, different times of exposure (10, 20 and 30 minutes) to anesthesia were evaluated. Finally, the aroma and taste of the tilapia fillets, when exposed to optimal concentration of clove oil, were tested. The concentration of 250 mg L-1 of clove oil was adequate to induce lower opercular movement in adult tilapia, and for anesthesia for biometrics and brief management, the recommended concentration is 100 mg L-1. Fillets from tilapia anesthetized with clove oil showed a moderate difference in aroma and taste just after anesthesia. Thus, clove oil is an effective anesthetic for the management of adult tilapia as a routine procedure in fish farming, however tilapias should be slaughtered 12 hours after exposure to the drug, so as not to change the organoleptic characteristics of anesthetized fishes. O objetivo deste trabalho foi testar a eficiência do óleo de cravo como anestésico em adultos de tilápia-do-nilo (Oreochromis niloticus) e avaliar, sensorialmente, o aroma e o sabor do filé, após a anestesia. No primeiro experimento, os peixes foram expostos a banhos anestésicos em diferentes concentrações de óleo de cravo (0, 100, 150, 200, 250 e 350 mg L-1). No segundo experimento, avaliaram-se diferentes tempos (10, 20 e 30 minutos) de exposição à anestesia. Finalmente, o aroma e o sabor dos filés de tilápia foram testados, em diferentes tempos de exposição à concentração adequada de óleo de cravo. A concentração de 250 mg L-1 de óleo de cravo foi adequada para a indução de parada dos batimentos operculares em adultos de tilápia, e para a anestesia voltada para biometria e breve manejo, a concentração recomendada é 100 mg L-1. Os filés de tilápias previamente anestesiadas com óleo de cravo apresentaram diferença moderada no aroma e no sabor logo após a anestesia. O óleo de cravo é um anestésico eficaz no manejo de adultos de tilápia em procedimentos de rotina na piscicultura, porém o abate de tilápias deve ser realizado a partir de 12 horas após a exposição a este anestésico, para não induzir alteração nas características organolépticas dos filés de peixes anestesiados. Pesquisa Agropecuaria Brasileira Pesquisa Agropecuária Brasileira FUNADESP FUNADESP 2011-02-03 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://seer.sct.embrapa.br/index.php/pab/article/view/9302 Pesquisa Agropecuaria Brasileira; v.45, n.12, dez. 2010; 1472-1477 Pesquisa Agropecuária Brasileira; v.45, n.12, dez. 2010; 1472-1477 1678-3921 0100-104x por https://seer.sct.embrapa.br/index.php/pab/article/view/9302/6169 https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/9302/4506 |
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Simões, Larissa Novaes Paiva, Genilson Gomes, Levy de Carvalho |
| spellingShingle |
Simões, Larissa Novaes Paiva, Genilson Gomes, Levy de Carvalho Clove oil as an anesthetic on Nile tilapia adults |
| author_facet |
Simões, Larissa Novaes Paiva, Genilson Gomes, Levy de Carvalho |
| author_sort |
Simões, Larissa Novaes |
| title |
Clove oil as an anesthetic on Nile tilapia adults |
| title_short |
Clove oil as an anesthetic on Nile tilapia adults |
| title_full |
Clove oil as an anesthetic on Nile tilapia adults |
| title_fullStr |
Clove oil as an anesthetic on Nile tilapia adults |
| title_full_unstemmed |
Clove oil as an anesthetic on Nile tilapia adults |
| title_sort |
clove oil as an anesthetic on nile tilapia adults |
| description |
The objective of this study was to test the efficiency of clove oil as an anesthetic for adult tilapia (Oreochromis niloticus) and to evaluate, sensorially, the aroma and taste of fillets after anesthesia. In the first experiment, fish were exposed to different clove oil concentrations (0, 100, 150, 200, 250 and 350 mg L-1) of anesthetic baths. In the second experiment, different times of exposure (10, 20 and 30 minutes) to anesthesia were evaluated. Finally, the aroma and taste of the tilapia fillets, when exposed to optimal concentration of clove oil, were tested. The concentration of 250 mg L-1 of clove oil was adequate to induce lower opercular movement in adult tilapia, and for anesthesia for biometrics and brief management, the recommended concentration is 100 mg L-1. Fillets from tilapia anesthetized with clove oil showed a moderate difference in aroma and taste just after anesthesia. Thus, clove oil is an effective anesthetic for the management of adult tilapia as a routine procedure in fish farming, however tilapias should be slaughtered 12 hours after exposure to the drug, so as not to change the organoleptic characteristics of anesthetized fishes. |
| publisher |
Pesquisa Agropecuaria Brasileira |
| publishDate |
2011 |
| url |
https://seer.sct.embrapa.br/index.php/pab/article/view/9302 |
| work_keys_str_mv |
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