Title:
YELLOW DYE AND DYE PREPARATION
Document Type and Number:
Japanese Patent JP2002012785
Kind Code:
A
Abstract:
To provide a yellow dye which is excellent in heat resistance and acid resistance, and to provide a drink or a food product using the yellow dye.
The yellow dye is extracted from one or more selected from madder (Rubia tinctorum) root, a tissue-culture cell of madder and a cultured capillary root of madder with water or a water-containing alcohol and thereafter is subjected to purification treatment so as to adjust the content of a ruberythric acid and/ or lucidin-3-primeveroside to 70% or more. The drink and the food product use the yellow dye.
Inventors:
ONISHI KUNIYOSHI
Application Number:
JP2000195925A
Publication Date:
January 15, 2002
Filing Date:
June 29, 2000
Export Citation:
Assignee:
SANEI GEN FFI INC
International Classes:
A23G3/34; A23L1/275; A23L2/02; A23L2/58; A23L21/10; C09B1/02; C09B61/00; C09B67/00; C09B67/54; A23G3/00; (IPC1-7): C09B61/00; A23L1/275; A23L2/58; C09B1/02; C09B67/00; C09B67/54
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