Nitrogen factors for rainbow trout (Oncorhynchus mykiss) and brook trout (Salvelinus fontinalis) fillets

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12520%2F22%3A43905242" target="_blank" >RIV/60076658:12520/22:43905242 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.17221/73/2022-VETMED" target="_blank" >https://doi.org/10.17221/73/2022-VETMED</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.17221/73/2022-VETMED" target="_blank" >10.17221/73/2022-VETMED</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Nitrogen factors for rainbow trout (Oncorhynchus mykiss) and brook trout (Salvelinus fontinalis) fillets

Popis výsledku v původním jazyce

Measures for consumer protection against food adulteration and misleading labelling are integrated into EU legislation, including methods for detecting misleading practices. Verification of the meat content is available for marine products, but not for salmonid fish due to the lack of standard nitrogen factors. This study aimed to establish nitrogen factors for rainbow trout (Oncorhynchus mykiss) and brook trout (Salvelinus fontinalis). The study analysed 340 fish from Czech fisheries obtained in the summer of 2018-2020. According to the established ISO methods, fillet samples with and without skin were analysed for their nitrogen content (protein), dry matter, ash, and fat. The recommended nitrogen factor for rainbow trout fillets with and without the skin is 3.07 +/- 0.12 and 3.06 +/- 0.14, respectively, and the nitrogen factor for fat-free rainbow trout fillets with and without the skin is 3.33 +/- 0.15 and 3.29 +/- 0.15, respectively. The recommended nitrogen factor for brook trout fillets with and without the skin is 3.16 +/- 0.10 and 3.12 +/- 0.09, respectively, and the nitrogen factor for fat-free brook trout fillets with and without the skin is 3.42 +/- 0.13 and 3.36 +/- 0.12, respectively. The established nitrogen factors will enable the analysis of the meat content to ensure that consumers purchase correctly described and labelled fish products.

Název v anglickém jazyce

Nitrogen factors for rainbow trout (Oncorhynchus mykiss) and brook trout (Salvelinus fontinalis) fillets

Popis výsledku anglicky

Measures for consumer protection against food adulteration and misleading labelling are integrated into EU legislation, including methods for detecting misleading practices. Verification of the meat content is available for marine products, but not for salmonid fish due to the lack of standard nitrogen factors. This study aimed to establish nitrogen factors for rainbow trout (Oncorhynchus mykiss) and brook trout (Salvelinus fontinalis). The study analysed 340 fish from Czech fisheries obtained in the summer of 2018-2020. According to the established ISO methods, fillet samples with and without skin were analysed for their nitrogen content (protein), dry matter, ash, and fat. The recommended nitrogen factor for rainbow trout fillets with and without the skin is 3.07 +/- 0.12 and 3.06 +/- 0.14, respectively, and the nitrogen factor for fat-free rainbow trout fillets with and without the skin is 3.33 +/- 0.15 and 3.29 +/- 0.15, respectively. The recommended nitrogen factor for brook trout fillets with and without the skin is 3.16 +/- 0.10 and 3.12 +/- 0.09, respectively, and the nitrogen factor for fat-free brook trout fillets with and without the skin is 3.42 +/- 0.13 and 3.36 +/- 0.12, respectively. The established nitrogen factors will enable the analysis of the meat content to ensure that consumers purchase correctly described and labelled fish products.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

40103 - Fishery

Projekt

<a href="/cs/project/QK1810095" target="_blank" >QK1810095: Stanovení dusíkových faktorů pro vybrané druhy sladkovodních ryb jako indikátorů obsahu rybí složky v „čerstvých“ rybách a ve výrobcích ze sladkovodních ryb</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2022

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Veterinární medicína

ISSN

0375-8427

e-ISSN

—

Svazek periodika

67

Číslo periodika v rámci svazku

12

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

10

Strana od-do

628-637

Kód UT WoS článku

000891449300001

EID výsledku v databázi Scopus

2-s2.0-85145953572