Semiquantitative determination of food acid dyes by magnetic textile solid phase extraction followed by image analysis
Jazyk angličtina Země Anglie, Velká Británie Médium print-electronic
Typ dokumentu časopisecké články
PubMed
30372929
DOI
10.1016/j.foodchem.2018.08.125
PII: S0308-8146(18)31538-3
Knihovny.cz E-zdroje
- Klíčová slova
- Acid dyes, Chitosan, Image analysis, Magnetic textile solid phase extraction, Non-woven textile,
- MeSH
- adsorpce MeSH
- extrakce na pevné fázi přístrojové vybavení metody MeSH
- indigotindisulfonát sodný analýza MeSH
- magnetismus MeSH
- mobilní telefon MeSH
- počítačové zpracování obrazu MeSH
- potravinářská barviva analýza MeSH
- software MeSH
- textilie * MeSH
- Publikační typ
- časopisecké články MeSH
- Názvy látek
- indigotindisulfonát sodný MeSH
- potravinářská barviva MeSH
Magnetic textile solid phase extraction, based on the use of magnetically modified non-woven textile impregnated with chitosan, was successfully employed for the preconcentration of acid food dyes from water solutions. The photos of textile squares with the adsorbed dye were taken with a mobile phone. The image analysis of the photos was performed using appropriate freeware. The values of saturation, obtained through the HSB color space, were proportional to the dye concentration in the analyzed samples. Described inexpensive, simple and elution free assay enables analysis of dyes concentration in various solutions. This novel method has a potential to be a useful alternative to existing semiquantitative determination procedures, especially for dyes analysis.
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