2.8.2. From yoghurt
The TP content was extracted as described inWallace and Giusti
(2008)from a yoghurt sample (10 g) after blending with 30 mL of
0.1% HCl acidified methanol for 2 min on laboratory blender and
centrifugation (3500 rpm for 15 min) (Model K240 Centurion Scientific Ltd). The supernatant collected was brought to 50 mL with
acidified methanol and TP content was determined as described
above.