Apsara Yellow Extract

Listing ID #6602734

Botanical Name - Rheum Emodi
Common name - Himalayan Rubharb
Other Name - Revanchini
Part Used -Roots
Uses - Textile Dyeing, Ayurdeva And Food Colours

Apsara yellow or an India Ruharb is a stout herb mainly found in the Himalayas, it is distributed from Kashmir to Sikkim. The stout roots are the chief source of golden yellow colour and mainly use as colorant in textile industry. The chief colouring component of Rheum emodi is chrysophonic acid. Colouration of silk and wool with Rheum emodi is  found to be effectively accomplished within a wide pH range of 4–8. Dye uptake, rate of dyeing and affinity of this colour are found to be higher for silk fibre than that for wool fibre.