Applications of Natural Purple from Dolabella auricularia: Colouration of Cholesteric Liquid CrystalsApplications of Natural Purple from Dolabella auricularia: Colouration of Cholesteric Liquid Crystals
Hydroxypropyl cellulose (HPC) as a cholesteric liquid crystal was coloured with purple ink from Dolabella auricularia as a sea hare. Optical texture of the liquid crystal mixture was confirmed with a polarising optical microscope.