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Artículo

Qualitative and quantitative analysis based on digital images to determine the adulteration of ketchup samples with Sudan I dye

Reile, Cynthia GiselleIcon ; Rodriguez, Maria Susana; Fernandes, David Douglas de Sousa; de Araujo Gomes, Adriano; Goncalves Dias Diniz, Paulo Henrique; Di Anibal, Carolina VanesaIcon
Fecha de publicación: 30/10/2020
Editorial: Elsevier
Revista: Food Chemistry
ISSN: 0308-8146
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Química Analítica

Resumen

Sudan I is a synthetic-azo dye commonly used to adulterate foods to increase sensory appearance. However, it is banned due to its carcinogenic, mutagenic and genotoxic properties, which represent a serious risk to human health. Thus, this paper proposes a feasibility study to identify and quantify Sudan I dye in ketchup samples using colour histograms (obtained from digital images) and multivariate analysis. The successive projections algorithm coupled with linear discriminant analysis (SPA-LDA) classified correctly all samples, while the partial least squares coupled with SPA for interval selection (iSPA-PLS) quantified adequately the adulterant, attaining values of RMSEP of 11.64 mg kg−1, R2 of 0.96, RPD of 5.28, REP of 13.63% and LOD of 39.45 mg kg−1. Therefore, the proposed methodology provides a simple, fast, inexpensive, promising analytical tool for the screening of both the quality and safety of ketchup samples. As a consequence, it can help to protect the consumer's health.
Palabras clave: KETCHUP , ADULTERATION , SUDAN I DYE , COLOUR HISTOGRAMS , MULTIVARIATE ANALYSIS , SUCCESSIVE PROJECTIONS ALGORITHM
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/143422
URL: https://www.sciencedirect.com/science/article/abs/pii/S0308814620309638
DOI: https://doi.org/10.1016/j.foodchem.2020.127101
Colecciones
Articulos(INQUISUR)
Articulos de INST.DE QUIMICA DEL SUR
Citación
Reile, Cynthia Giselle; Rodriguez, Maria Susana; Fernandes, David Douglas de Sousa; de Araujo Gomes, Adriano; Goncalves Dias Diniz, Paulo Henrique; et al.; Qualitative and quantitative analysis based on digital images to determine the adulteration of ketchup samples with Sudan I dye; Elsevier; Food Chemistry; 328; 30-10-2020; 1-8; 127101
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