Analysis of yoghurt samples
Chemical analysis: Total solids content was determined according to the modified method of to AOAC (2003). Protein content was determined by Kjeldahal method described by Bradley et al. (1992). Fat content was determined by Gerber method and the solids not fat were obtained by subtracting fat from total solids according to AOAC (2003). The ash content was determined by the method described by Bradley et al. (1992).