Food colorants are inalienable part of human life. Since ancient times, they have become firmly established and have undergone a number of changes. During this time, the attitude towards them has changed. The desire to color the food now raises questions about the various side effects of their use. With the development of methods of toxicology and obtaining data on the toxicity of food coloring, restrictions and standards for their content in food have emerged. The development of methods for the analysis of dyes in various food products is becoming increasingly in demand. Development of screening immunoanalytical methods such as enzyme-linked immunoassay and immunochromatographic one suitable for simultaneous analysis of a large number of samples at the same time allows to avoid serious costs when operating the chromatographic equipment. Reduction of the analysis time and simple sample preparation is what unites immunoassay techniques. This review shows the possibilities of modern immunoanalytical methods for analyzing samples and determining food dyes belonging to different classes.
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http://dx.doi.org/10.1080/10408347.2018.1503942 | DOI Listing |
Food Res Int
January 2025
CSIR-Institute of Himalayan Bioresource Technology, Palampur, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India. Electronic address:
Anthocyanins (ANS) are an appealing substitute to synthetic colorants; but their practical applicability is limited due to low color stability. Copigmentation can improve both complex's color stability as well as intensity. In this study, we examined the interaction of red cabbage ANS with copigments i.
View Article and Find Full Text PDFCrit Rev Food Sci Nutr
January 2025
Department of Food Materials and Process Design Engineering, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran.
Prev Nutr Food Sci
December 2024
Department of Food and Nutrition, Jerash University, Jerash 26150, Jordan.
Anthocyanins (ANCs) are water-soluble pigments with antioxidant properties, offering potential as alternatives to synthetic food colorants. However, their stability is compromised by factors such as pH, temperature, and light exposure. Previous research demonstrated improved pH stability in black grape ANCs through cobalt ion (Co) complexation.
View Article and Find Full Text PDFFood Chem
December 2024
Department of chemistry, University of Science and Technology, Tehran, Iran.
Azo dyes, such as tartrazine and sunset yellow, are widely used as affordable and stable food colorants. Accurate quantification is crucial in foods for regulatory monitoring to ensure compliance with safety standards and minimize health risks. This study developed a low-cost and eco-friendly method using digital images and chemometrics for the simultaneous determination of these dyes in food samples.
View Article and Find Full Text PDFSci Rep
December 2024
Department of Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara, 144411, India.
The fabricating of extremely effective, economical, ecologically safe, and reusable nanoparticle (NP) catalysts for the removal of water pollution is urgently needed. This study, spectroscopically optimizes the process parameters for the biogenic synthesis of AgNP catalysts using Cledrdendrum infortunatum leaf extract. The optimization of several synthesis parameters was systematically studied using UV-Vis spectroscopy to identify the ideal conditions for AgNPs formation.
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