claiming the dyes cause cancer and A.D.H.D. in children. Red No. 3 is significantly more regulated in other parts of the world, including in the European Union, where it is only authorized for use ...

The name purple is derived from that of a sea snail, mucus from which was boiled down 3,500 years ago to produce a coveted purple-red fabric dye Since the process was time-consuming and labour ...

Since ancient times, safflowers grown in Yonezawa have been used to dye fabric a deep red color associated with the sun.