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Fish feed mycobiota and aflatoxins in round fish tissues
Journal of the science of food and agriculture, 2022-03, Vol.102 (4), p.1391-1396
Gomes, Amanda L
Godoy, Silvia HS
Burbarelli, Maria F
Chaguri, Milena P
Sousa, Ricardo LM
Fernandes, Andrezza M
2022
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Gomes, Amanda L
Godoy, Silvia HS
Burbarelli, Maria F
Chaguri, Milena P
Sousa, Ricardo LM
Fernandes, Andrezza M
Titel
Fish feed mycobiota and aflatoxins in round fish tissues
Ist Teil von
Journal of the science of food and agriculture, 2022-03, Vol.102 (4), p.1391-1396
Ort / Verlag
Chichester, UK: John Wiley & Sons, Ltd
Erscheinungsjahr
2022
Quelle
Wiley-Blackwell Journals
Beschreibungen/Notizen
BACKGROUND Round fish is one of the most consumed fish in Brazil. Farmed fish feed is based mainly on grains, which are susceptible to contamination by mold and mycotoxins. Aspergillus spp., Penicillium spp. and Fusarium spp. are the major mycotoxins producers. The presence of potentially toxigenic fungi in the diet is a concern due to the possibility of cumulative toxins in fish tissues, becoming a risk to food safety. This study aims to assess the mycobiota of fish feed and the occurrence of aflatoxin residues in round fish tissues. Feed and fish samples were collected from fish farming and fish pay properties. Feed was submitted to mold counting and mold identification. The round fish liver and muscle were submitted to the detection and quantification of aflatoxins B1, B2, G1 and G2 by high‐performance liquid chromatography. RESULTS In evaluated feed, mold counts in the samples ranged from 2.0 to 4.7 log colony forming units g−1 and the major genera found were Penicillium (61.5%) and Aspergillus (34.6). Aflatoxin B1 (AFB1) was detected in 70% liver samples and 43.3% muscle samples, at levels up to 5.70 and 1.13 μg kg−1, respectively. CONCLUSION It is concluded that, although the levels were lower than those recommended by Brazilian legislation, round fish are being exposed to diets naturally contaminated by aflatoxins and are susceptible to toxins accumulation in tissues. Therefore, regulations regarding feed should consider limits for mold and aflatoxin contamination in fish edible tissues should be monitored in order to ensure consumers' safety. © 2021 Society of Chemical Industry.
Sprache
Englisch
Identifikatoren
ISSN: 0022-5142
eISSN: 1097-0010
DOI: 10.1002/jsfa.11471
Titel-ID: cdi_proquest_journals_2627125776
Format
–
Schlagworte
AFB1
,
Aflatoxin B1
,
Aflatoxin B1 - analysis
,
Aflatoxins
,
Aflatoxins - analysis
,
Animal Feed - analysis
,
Animal tissues
,
Animals
,
Aquaculture
,
Aspergillus
,
Bioaccumulation
,
Contamination
,
Diet
,
Fish
,
Fish farms
,
Fish toxins
,
fish‐farming
,
Food contamination
,
Food Contamination - analysis
,
Food safety
,
Fungi
,
Legislation
,
Liquid chromatography
,
Liver
,
Mold
,
Muscles
,
Mycotoxins
,
Mycotoxins - analysis
,
Penicillium
,
Toxins
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