2.11. Syneresis (whey separation)
Syneresis (%) expressed as volume of separated whey per
100 mL of yoghurt was determined in a triplicate by taking homogeneousfive mL of yoghurt in a test tube, centrifugation
(5000 rpm for 20 min at 4
C) and measurement of whey separated
1 min after centrifugation (Bakirci&Kavaz, 2008)