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.
In theory, the Primary Colors are the root of every other hue imaginable. The primary pigments used in the manufacture of paint come from the pure source element of that Hue. There are no other pigments blended in to alter the formula. Think of the three Primaries as the Parents in the family of colors. In paint pigments, pure Yellow, pure Red, and pure Blue are the only hues that canât be created by mixing any other colors together.