... Tinctorius L., of the Dendranthema family. The pigment mainly consists of carthamus.Properties: The pigment easily dissolves in water but not in ... in PH 2---7, becoming slight red in alkaline. The pigment’s resistance to light,heat,microbes and salt is high ... to coloring drinks,ice-cream,food,medicine and cosmetics. The pigment has been formulated to a national standard (standard number GB5716 ...