Description
Madder Root is roots of the plant Rubia tinctorum supply the coloring substances that are converted to madder lakes, Despite serious safety concerns, people take madder by mouth for preventing and dissolving kindny stone as well as and for treating general menstrual disorders, and urinary tract disorders, and saciatica It is also used to promote urination, as an aphrodiasiac, and as a tonic.
the principle coloring substance which is alizarin. The shades of colors of madder lakes vary from scarlet (stannous madder lakes), carmine red (carmine-containing madder lakes called madder carmine), pink madder (madder lakes with a high content of pseudopurpurin and/or purpurin called pink madder or rose madder), to red with a bluish tint (alizarin lakes).
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