white chemical powder in ceramic spoon on blue. food coloring, e171. titanium dioxide, tio2. pigment present in of paint, food,

titanium dioxide food additive e171 dry powder heap white oxide chemical chewing gum pills tablets alimentary pigment titania phosphonic acid toothpastes formula tio2 pw6 77891 coloring number consumption chemistry nutritional supplement cosmetic science compound blue research texture synthetic pure paints paper plastics products thickener alumina silica medicine industry thickening agent carcinogen banned zinc colorant ceramic spoon present paint blue e171 tio2 products