Haematoxylin is the main part of the logwood color. We can see black-brown powder、pasty or liquid. It is absolute a natural pigment abstracted from the core of Haematoxylon campechianum by modern biotechnology as black-brown coloring.
Active ingredient: color scalecontent: [85]
detection method: UV
packaging : cardboard drums, with double aseptic food poly bags inside. Or by cartons, with vacual aseptic food poly bags inside, 20kgs per carton with 8 bags inside, 2.5kg per bag.
more about:Logwood Color +manufacturers
Read more: http://www.natural-food-color.com/Black-Color/Logwood-Color/

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