Natural blue dye composition and colorant using the same: prepar

Details Natural blue dye composition and colorant using the same: prepar Natural blue dye composition and colorant using the same: prepar

1987-06-19

1989-11-07

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Dye extracted from natural product

8438, 8591, 8602, A23L 127, C09B 6100

Patent

active

048789216

ABSTRACT:
A natural blue dye composition that has improved stability and which can be used as a colorant in a broad range of applications including foodstuffs and drugs, and a process for preparing the same are disclosed.
Genipin which is derived from gardenia fruit by hydrolysis of iridoid glycoside geniposide under action of .beta.-glucosidase, is reacted with taurine to produce a stable blue dye compositions.

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