The condensation of catechuic acid, leucoanthocyanidin,anthocyanin are the main parts of the tamarind color.We can see reddish-brown to black-brown powder, lump, pasty or liquid with our naked eyes. It is water-soluble. It is absolute a natural pigment abstracted from the seeds of leguminous plant Tamarindus indica by modern biotechnology .Widely used in fish processing industry, vegetable protein，meat, Western –style ham,noodles, baked product etc as reddish-brown coloring.

This product has been exported to EU, , , Asia etc. The physical level and microbiological level can meet  the export standards well.For avoiding fakes,this product already has normal enterprise NO: Q/KLE84-2005.