VEGETABLE DYES AND USE THEREOF IN COLOUR COMPOSITIONS, PARTICULARLY IN COSMETIC COMPOSITIONS Russian patent published in 2013 - IPC C09B61/00 A61K8/97 A61Q1/02 A61Q3/02 A61Q5/10 A61Q19/08 

FIELD: chemistry.

SUBSTANCE: invention relates to vegetable dyes obtained from the coloured part of plant types, the cell tissue of which contains iridisomes that are responsible for colouring of said part. In particular, the invention relates to a blue dye obtained from seed skin of plant type Ravenala madagascariensis. The invention also relate to compositions containing said dye, particularly cosmetic compositions, especially meant for paining skin or external formations on the body.

EFFECT: invention provides cheap and safe production of a natural dye with a bright colour with a possible interference effect from a vegetable ultrastructure without denaturing thereof.

20 cl, 4 ex