Modelling biogenic amines in fish meat in Central Europe using censored distributions

The aim of the study is to model concentrations of selected biogenic amines in various fish species (Atlantic salmon, Atlantic cod, striped catfish) bought in retail stores in Central Europe. Since the data contains non-detectable values, statistical methods for left-censored values from the exponen...

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Bibliographic Details
Published in:Chemosphere (Oxford) 2020-07, Vol.251, p.126390-126390, Article 126390
Main Authors: Fusek, Michal, Michálek, Jaroslav, Buňková, Leona, Buňka, František
Format: Article
Language:English
Subjects:
Biogenic amine
Exponential distribution
Left-censored data
Maximum likelihood
Risk
Weibull distribution
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Summary:The aim of the study is to model concentrations of selected biogenic amines in various fish species (Atlantic salmon, Atlantic cod, striped catfish) bought in retail stores in Central Europe. Since the data contains non-detectable values, statistical methods for left-censored values from the exponential and Weibull distributions are applied and used to evaluate and compare the amount of biogenic amines in fish samples. Moreover, a risk of exceeding certain limits of biogenic amine concentrations to protect human health is determined. There are relatively high concentrations of putrescine, cadaverine and histamine in almost all fish species. Moreover, there was a significant difference in mean concentrations (distributions of concentrations, respectively) of histamine, tyramine and spermidine among the species. •Use of censored distributions for modelling data with non-detectable values.•High concentrations of putrescine, cadaverine and histamine in almost all species.•Significant difference in concentrations of histamine, tyramine and spermidine.•High probabilities of exceeding specified limit values of putrescine concentration.
ISSN:0045-6535
1879-1298
DOI:10.1016/j.chemosphere.2020.126390