The shelf life study of product is evaluated by storing product sample in the chill condition (2-8oC) for 21 days (3 weeks). The sample were evaluated the physical, chemical and microbiological properties concerning in fat separation, whey separation, sedimentation on pack, pH, appearance (color), taste (texture and odour) every 3 days.
The grading score (IDF grading) was applied for evaluation of fat separation, whey separation, sedimentation on pack, appearance and taste. The pH value was measured by pH meter.