METHOD OF PREPARING DYE FROM VEGETABLE STOCK

• Main Authors: SMIRNOVA VALENTINA VLADIMIROVNA, SMIRNOV VITALIJ ALEKSEEVICH, SIDOROV V.V
• Format: Patent
• Language: English
• Published: 10.11.2000
• Edition: 7
• Subjects: ADHESIVES; CHEMISTRY; DYES; LAKES; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; PAINTS; POLISHES

food, pharmaceutical and light industries. SUBSTANCE: predried anthocyan-containing vegetative compound of maize is finely divided, extracted with mixture of aqueous solutions of hydrochloric and nitric acids in field of ultrasound oscillations. Coloring agent is then filtered and concentrated under...