Badania nad zawartością syntetycznych barwników spożywczych w barwionych galaretkach żelatynowych
[Study of contents of synthetic food dyes in gelatine yellies]

ABSTRACT

Methods of identification and quantitative determination of synthetic dyes in gelatine jellies have been described. Extraction and isolation procedures of synthetic food dyes have been developed speciffically for gelatine products. The various techniques have been used as follows: paper chromatography, absorption spectrophotometry and polarography. Tartrazine, Cochineal Red and Indigotin in amounts permitted by Polish legislation have been determined.