ACYLATED ANTHOCYANIN PIGMENT EXTRACTED FROM PLANT OF COMMELINACEAE FAMILY, AND ITS PRODUCTION

摘要

NEW MATERIAL:An acylated anthocyanin pigment. USE:A pigment for food and drink. It has excellent acid-resistance, and is stable especially even in neutral - weakly acidic state. PREPARATION:The flower, leaf or stalk of a plant of Commelinaceae family, such as Callisia elegans, Campelia zenonia, Gibasis karwinskyana Rohw, Rhoeo spathacea Stearn, Tradescantia brevifolia Torrey, Tripogandra serrulate (Vahl), Zebrina pendul,a Dichorisandra reginae, Dichorisandra thyrsiflora variegata, Rhoeo spathacea (discolor), Cyanotis somaliensis, Geogenanthus undatus, Cyanotis kewensis, Collisia (Spironema) fragrans, etc. is extracted by immersing in water or alcoholic aqueous solution containing an acid.