AOAC SPDS Meeting Book March 19 2015

Background

Vitamin D 2

Vitamin D 3

Background on analyte

• 1600‐1890s

• Vitamin D Deficiency – Rickets • Research to determine foods that prevent rickets • 1920s • Links between UV‐Light Exposure, Irradiated Foods and cod liver oil and Ricket Prevention in Animals • 1932 Vitamin D 2 structure discovered • 1936 Vitamin D 3 structure discovered