Semiquantitative color catcher and smartphone-based analysis of synthetic food dyes in alcohol containing beverages

0572582 - BC 2024 RIV NL eng J - Journal Article
Šafařík, Ivo - Procházková, Jitka
Semiquantitative color catcher and smartphone-based analysis of synthetic food dyes in alcohol containing beverages.
Talanta. Roč. 262, September (2023), č. článku 124686. ISSN 0039-9140. E-ISSN 1873-3573
R&D Projects: GA MŠMT(CZ) EF17_048/0007399
Institutional support: RVO:60077344
Keywords : alcohol beverages * color catcher * color catcher solid phase extraction * synthetic food dyes
OECD category: Analytical chemistry
Impact factor: 6.1, year: 2022
Method of publishing: Limited access
https://www.sciencedirect.com/science/article/pii/S003991402300437X?via%3Dihub

Solid phase extraction, based on the use of color catcher sheets, was successfully employed for the preconcentration of food dyes from alcohol containing beverages. The photos of color catcher sheets with the adsorbed dyes were taken with a mobile phone. The smartphone-based image analysis of the photos was performed using Color Picker application. The values of several color spaces were collected. Specific values from RGB, CMY, RYB and LAB color spaces were proportional to the dye concentration in the analyzed samples. The described inexpensive, simple and elution free assay enables analysis of dyes concentration in various solutions.
Permanent Link: https://hdl.handle.net/11104/0344284