Use of DNA Barcoding to Reveal Species Composition of Convenience Seafood

Increased education of consumers can be an effective tool for conservation of commercially harvested marine species when product labeling is accurate and allows an informed choice. However, generic labeling (e.g., as white fish or surimi) and mislabeling of seafood prevents this and may erode consum...

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Veröffentlicht in:Conservation biology 2012-04, Vol.26 (2), p.367-371
Hauptverfasser: HUXLEY-JONES, ELIZABETH, SHAW, JENNIFER L. A., FLETCHER, CARLY, PARNELL, JULIETTE, WATTS, PHILLIP C.
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container_end_page 371
container_issue 2
container_start_page 367
container_title Conservation biology
container_volume 26
creator HUXLEY-JONES, ELIZABETH
SHAW, JENNIFER L. A.
FLETCHER, CARLY
PARNELL, JULIETTE
WATTS, PHILLIP C.
description Increased education of consumers can be an effective tool for conservation of commercially harvested marine species when product labeling is accurate and allows an informed choice. However, generic labeling (e.g., as white fish or surimi) and mislabeling of seafood prevents this and may erode consumer confidence in seafood product labels in general. We used DNA barcoding to identify the species composition of two types of convenience seafood (i.e., products processed for ease of consumption): fish fingers (long pieces offish covered with bread crumbs or batter, n = 241) and seafood sticks (long pieces of cooked fish, n = 30). In products labeled as either white fish or surimi, four teleost species were present. less than 1.5% offish fingers with species-specific information were mislabeled. Results of other studies show substantially more mislabeling (e.g., > 25%) of teleost products, which likely reflects the lower economic gains associated with mislabeling of convenience seafood compared with whole fillets. In addition to species identification, seafood product labels should be required to contain information about, for example, harvesting practices, and our data indicate that consumers can have reasonable confidence in the accuracy of the labels of convenience seafood and thus select brands on the basis of information about current fisheries practice. El incremento del nivel educativo de consumidores puede ser una herramienta efectiva para la conservación de especies marinas explotadas comercialmente cuando el etiquetado del producto es preciso y permite una elección informada. Sin embargo, el etiquetado genérico (e.g., como pescado blanco o surimi) y la identificación incorrecta de mariscos evita esto y puede erosionar la confianza del consumidor respecto a las etiquetas de productos marinos en general. Utilizamos códigos de barra de ADN para identificar la composición de especies de dos tipos de mariscos de preparación rápida (i.e., productos procesados para facilitar el consumo): dedos de pescado (piezas largas de pescado cubiertas de migas de pan o masa, n = 241) y varas de pescado (piezas alargadas de pescado cocido, n = 30). En productos etiquetados como pescado blanco o surimi, se encontraron cuatro especies de peces teleósteos. Menos de 1.5% de los dedos de pescado con información de la especie estaba identificado erróneamente. Los resultados de otros estudios muestran sustancialmente más errores de identificación (e.g., > 25%) en productos de t
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A. ; FLETCHER, CARLY ; PARNELL, JULIETTE ; WATTS, PHILLIP C.</creator><creatorcontrib>HUXLEY-JONES, ELIZABETH ; SHAW, JENNIFER L. A. ; FLETCHER, CARLY ; PARNELL, JULIETTE ; WATTS, PHILLIP C.</creatorcontrib><description>Increased education of consumers can be an effective tool for conservation of commercially harvested marine species when product labeling is accurate and allows an informed choice. However, generic labeling (e.g., as white fish or surimi) and mislabeling of seafood prevents this and may erode consumer confidence in seafood product labels in general. We used DNA barcoding to identify the species composition of two types of convenience seafood (i.e., products processed for ease of consumption): fish fingers (long pieces offish covered with bread crumbs or batter, n = 241) and seafood sticks (long pieces of cooked fish, n = 30). In products labeled as either white fish or surimi, four teleost species were present. less than 1.5% offish fingers with species-specific information were mislabeled. Results of other studies show substantially more mislabeling (e.g., &gt; 25%) of teleost products, which likely reflects the lower economic gains associated with mislabeling of convenience seafood compared with whole fillets. In addition to species identification, seafood product labels should be required to contain information about, for example, harvesting practices, and our data indicate that consumers can have reasonable confidence in the accuracy of the labels of convenience seafood and thus select brands on the basis of information about current fisheries practice. El incremento del nivel educativo de consumidores puede ser una herramienta efectiva para la conservación de especies marinas explotadas comercialmente cuando el etiquetado del producto es preciso y permite una elección informada. Sin embargo, el etiquetado genérico (e.g., como pescado blanco o surimi) y la identificación incorrecta de mariscos evita esto y puede erosionar la confianza del consumidor respecto a las etiquetas de productos marinos en general. Utilizamos códigos de barra de ADN para identificar la composición de especies de dos tipos de mariscos de preparación rápida (i.e., productos procesados para facilitar el consumo): dedos de pescado (piezas largas de pescado cubiertas de migas de pan o masa, n = 241) y varas de pescado (piezas alargadas de pescado cocido, n = 30). En productos etiquetados como pescado blanco o surimi, se encontraron cuatro especies de peces teleósteos. Menos de 1.5% de los dedos de pescado con información de la especie estaba identificado erróneamente. Los resultados de otros estudios muestran sustancialmente más errores de identificación (e.g., &gt; 25%) en productos de teleósteos, lo que probablemente refleja las menores ganancias económicas asociadas con la identificación incorrecta de mariscos de preparación rápida en comparación con filetes enteros. Adicionalmente a la identificación de especies, se debe exigir etiquetas que contengan información sobre, por ejemplo, prácticas de captura, y nuestros datos indican que los consumidores tienen confianza razonable en la precisión de las etiquetas de mariscos para preparación rápida y, por lo tanto, seleccionan marcas con base en la información de las prácticas de pesquerías actuales.</description><identifier>ISSN: 0888-8892</identifier><identifier>EISSN: 1523-1739</identifier><identifier>DOI: 10.1111/j.1523-1739.2011.01813.x</identifier><identifier>PMID: 22268756</identifier><identifier>CODEN: CBIOEF</identifier><language>eng</language><publisher>Malden, USA: Blackwell Publishing Inc</publisher><subject>Animal, plant and microbial ecology ; Animals ; Applied ecology ; Biological and medical sciences ; Biological taxonomies ; Conservation, protection and management of environment and wildlife ; Consumer convenience ; COX1 ; código de barras de ADN ; DNA barcoding ; DNA Barcoding, Taxonomic ; Ecolabeling ; Exploitation and management of natural biological resources (hunting, fishing and exploited populations survey, etc.) ; fisheries management ; Fishes - classification ; Fishes - genetics ; Fundamental and applied biological sciences. 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In products labeled as either white fish or surimi, four teleost species were present. less than 1.5% offish fingers with species-specific information were mislabeled. Results of other studies show substantially more mislabeling (e.g., &gt; 25%) of teleost products, which likely reflects the lower economic gains associated with mislabeling of convenience seafood compared with whole fillets. In addition to species identification, seafood product labels should be required to contain information about, for example, harvesting practices, and our data indicate that consumers can have reasonable confidence in the accuracy of the labels of convenience seafood and thus select brands on the basis of information about current fisheries practice. El incremento del nivel educativo de consumidores puede ser una herramienta efectiva para la conservación de especies marinas explotadas comercialmente cuando el etiquetado del producto es preciso y permite una elección informada. Sin embargo, el etiquetado genérico (e.g., como pescado blanco o surimi) y la identificación incorrecta de mariscos evita esto y puede erosionar la confianza del consumidor respecto a las etiquetas de productos marinos en general. Utilizamos códigos de barra de ADN para identificar la composición de especies de dos tipos de mariscos de preparación rápida (i.e., productos procesados para facilitar el consumo): dedos de pescado (piezas largas de pescado cubiertas de migas de pan o masa, n = 241) y varas de pescado (piezas alargadas de pescado cocido, n = 30). En productos etiquetados como pescado blanco o surimi, se encontraron cuatro especies de peces teleósteos. Menos de 1.5% de los dedos de pescado con información de la especie estaba identificado erróneamente. Los resultados de otros estudios muestran sustancialmente más errores de identificación (e.g., &gt; 25%) en productos de teleósteos, lo que probablemente refleja las menores ganancias económicas asociadas con la identificación incorrecta de mariscos de preparación rápida en comparación con filetes enteros. Adicionalmente a la identificación de especies, se debe exigir etiquetas que contengan información sobre, por ejemplo, prácticas de captura, y nuestros datos indican que los consumidores tienen confianza razonable en la precisión de las etiquetas de mariscos para preparación rápida y, por lo tanto, seleccionan marcas con base en la información de las prácticas de pesquerías actuales.</description><subject>Animal, plant and microbial ecology</subject><subject>Animals</subject><subject>Applied ecology</subject><subject>Biological and medical sciences</subject><subject>Biological taxonomies</subject><subject>Conservation, protection and management of environment and wildlife</subject><subject>Consumer convenience</subject><subject>COX1</subject><subject>código de barras de ADN</subject><subject>DNA barcoding</subject><subject>DNA Barcoding, Taxonomic</subject><subject>Ecolabeling</subject><subject>Exploitation and management of natural biological resources (hunting, fishing and exploited populations survey, etc.)</subject><subject>fisheries management</subject><subject>Fishes - classification</subject><subject>Fishes - genetics</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gadus morhua</subject><subject>manejo de pesquerías</subject><subject>Marine</subject><subject>Marine fishes</subject><subject>medicina forense de vida silvestre</subject><subject>Parks, reserves, wildlife conservation. 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We used DNA barcoding to identify the species composition of two types of convenience seafood (i.e., products processed for ease of consumption): fish fingers (long pieces offish covered with bread crumbs or batter, n = 241) and seafood sticks (long pieces of cooked fish, n = 30). In products labeled as either white fish or surimi, four teleost species were present. less than 1.5% offish fingers with species-specific information were mislabeled. Results of other studies show substantially more mislabeling (e.g., &gt; 25%) of teleost products, which likely reflects the lower economic gains associated with mislabeling of convenience seafood compared with whole fillets. In addition to species identification, seafood product labels should be required to contain information about, for example, harvesting practices, and our data indicate that consumers can have reasonable confidence in the accuracy of the labels of convenience seafood and thus select brands on the basis of information about current fisheries practice. El incremento del nivel educativo de consumidores puede ser una herramienta efectiva para la conservación de especies marinas explotadas comercialmente cuando el etiquetado del producto es preciso y permite una elección informada. Sin embargo, el etiquetado genérico (e.g., como pescado blanco o surimi) y la identificación incorrecta de mariscos evita esto y puede erosionar la confianza del consumidor respecto a las etiquetas de productos marinos en general. Utilizamos códigos de barra de ADN para identificar la composición de especies de dos tipos de mariscos de preparación rápida (i.e., productos procesados para facilitar el consumo): dedos de pescado (piezas largas de pescado cubiertas de migas de pan o masa, n = 241) y varas de pescado (piezas alargadas de pescado cocido, n = 30). En productos etiquetados como pescado blanco o surimi, se encontraron cuatro especies de peces teleósteos. Menos de 1.5% de los dedos de pescado con información de la especie estaba identificado erróneamente. Los resultados de otros estudios muestran sustancialmente más errores de identificación (e.g., &gt; 25%) en productos de teleósteos, lo que probablemente refleja las menores ganancias económicas asociadas con la identificación incorrecta de mariscos de preparación rápida en comparación con filetes enteros. Adicionalmente a la identificación de especies, se debe exigir etiquetas que contengan información sobre, por ejemplo, prácticas de captura, y nuestros datos indican que los consumidores tienen confianza razonable en la precisión de las etiquetas de mariscos para preparación rápida y, por lo tanto, seleccionan marcas con base en la información de las prácticas de pesquerías actuales.</abstract><cop>Malden, USA</cop><pub>Blackwell Publishing Inc</pub><pmid>22268756</pmid><doi>10.1111/j.1523-1739.2011.01813.x</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record>
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subjects Animal, plant and microbial ecology
Animals
Applied ecology
Biological and medical sciences
Biological taxonomies
Conservation, protection and management of environment and wildlife
Consumer convenience
COX1
código de barras de ADN
DNA barcoding
DNA Barcoding, Taxonomic
Ecolabeling
Exploitation and management of natural biological resources (hunting, fishing and exploited populations survey, etc.)
fisheries management
Fishes - classification
Fishes - genetics
Fundamental and applied biological sciences. Psychology
Gadus morhua
manejo de pesquerías
Marine
Marine fishes
medicina forense de vida silvestre
Parks, reserves, wildlife conservation. Endangered species: population survey and restocking
Product labeling
Research Note
Seafood
Seafoods
Species
Species Specificity
Surimi
Sustainable agriculture
Teleostei
Theragra chalcogramma
Wildlife conservation
wildlife forensics
title Use of DNA Barcoding to Reveal Species Composition of Convenience Seafood
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