This picture shows the food color used some Glycerine water and a Eppendorf-Tube containing the red stock solution.

"Crazy Colors" from "Brauns Heitmann" bought in the "REAL" supermarket

EXIF Metadata

Make

Canon

Model

Canon EOS 7D

DateTimeOriginal

2011:01:03 20:25:33

ApertureFNumber

f/11.0