Examining Safety of Biocolourants from Fungal and Plant Sources-Examples from and and spp. and Dyed Woollen Fabrics.

Biocolourants have been investigated as alternatives to synthetic dyes. However, natural origin per se is not a label of harmlessness and research is needed to obtain safe dyes. We studied the cytotoxicity of the extracts from fungal (s, ) and plant ( ) sources and the woollen fabrics dyed with the extracts.

High-performance liquid chromatography and non-destructive three-dimensional fluorescence analysis of early synthetic dyes.

Chromatographic and spectroscopic techniques are evaluated for the analysis of early synthetic dyes. The research focuses on the analysis of dyestuffs that were developed and used in the period 1850-1900, which has not been well investigated so far. The aim of this study was to develop and evaluate techniques that can be applied in the field of culture and art.