product name: Vegetable Carbon Black Source: Carbon black (vegetable carbon) is normally derived from vegetable material for food use. It is produced by combustion to form insoluble carbon (a fine powder). product description

Flavonones and Anthocyanin are the main parts of the black sesame seed color.

Cyanidin-3-glucoside is the main part of the black glutinous rice

Haematoxylin is the main part of the logwood color.