There are currently more than 100 dyes and colouring agents approved by the Food and Drug Administration (FDA) for use in pharmaceutical preparations (Med Toxicol, 1988; 3: 128-65). Most oral liqu ...
There are currently more than 100 dyes and colouring agents approved by the Food and Drug Administration (FDA) for use in pharmaceutical preparations (Med Toxicol, 1988; 3: 128-65). Most oral liqu ...