Studies on the effectiveness of cranberry juice for preventing or treating UTIs have produced mixed results. The red berry contains a tannin that prevents E. coli bacteria - the most common cause of urinary tract infections - from sticking to the walls of the bladder, where they can cause infection.
primary color for pigments - any of three pigments from which all colors can be obtained by mixing; the primary colors for pigments are red, blue, and yellow. primary colour for pigments. primary color, primary colour - any of three colors from which all others can be obtained by mixing.
Transparent  yellow and transparent magenta mix into the secondary pigment color  red. The 3rd transparent primary pigment color is cyan, made from  the copper element, PB15. Transparent yellow and transparent cyan  make the secondary color green.ight uses the  opposite colors, the secondary pigment colors become the primary  light colors. Red, yellow and blue are not the primary colors in  pigment or in light. Those colors came from Newton in 1600 and they  are just the most obvious colors in the prism and rainbow. RCW. 4 people found this useful.