Energy drinks with high taurine contents (up to 4000 mg/L are usually granted through certificates of exemption) are provided increasingly on the market. The extensive usage of energy drinks with taurine enhances the cases with unwanted side effects. To check the valid maximum limits of taurine, a fast and efficient analytical method is necessary to… Read more »
Thin-Layer Chromatography (TLC) and HPTLC (High-performance-TLC) are widely used methods for the separation and identification of substances of a mixture. There is a mobile phase that is a composition of different solvents and a stationary phase which is a solid layer on glass plates. In most cases, this layer is made of silica gel. The… Read more »
In this communication, an attempt has been made to compare the two major classes of natural dyes Anthraquinoid and Indigoid with their synthetic analogs. Maddar (Rubia cordifolia and Rubia tinctoria) and Indigo (Indigofera tinctoria) dyes were used for this study. HPTLC imaging system ProViDoc DD 70 and densitometer CD60 (scanner) were used to identify the… Read more »
Caffeine-containing products have been consumed for hundreds of years for their pleasant flavor and stimulating effects on central nervous system. Hair care products containing caffeine targeted to stimulate hair growth and reduce hair loss [1]. High-Performance Thin-Layer Chromatography (HPTLC) is a useful analytical technique which requires low sample preparation. Different samples can be analyzed very… Read more »