Figure 6
From: Fluorescent bioassays for toxic metals in milk and yoghurt
Schematic representation of milk and yoghurt sample preparation for bioassays. Preparation of milk (A-I) and yoghurt (A-II) that includes externally added toxic metal for bioassays with whole products. Pre-treatments for milk (B-I) and yoghurt (B-II) to prepare their whey fractions for Zn (II) bioassays.