| 
      aMeans with different superscripts within the same row differ significantly (P<0.05)
        | Physicochemical
          characteristics | Storage time (day) |  
        | 0 | 30 | 60 |  
        |  | Control | Fortified | Control | Fortified | Control | Fortified |  
        | pH | 4.78 ± 0.02a | 4.7 ± 0.01a | 4.62 ± 0.03b | 4.48 ± 0.03c | 4.65 ± 0.01b | 4.46 ± 0.01c |  
        | MSNF%b | 18.2 ± 0.25a | 16.2 ± 0.28b | 17.6 ± 0.23c | 17.9 ± 0.24c | 17.2 ± 0.02a | 19.2 ± 0.31d |  
        | Fat% | 8.5 ± 0.02a | 8.5 ± 0.05ab | 8.7 ± 0.03b | 9.3 ± 0.0bc | 8.7 ± 0.06b | 8.8 ± 0.08b |  
        | Protein% | 13.1 ± 0.25a | 11.5 ± 0.23b | 13.5 ± 0.17a | 11.9 ± 0.15b | 13.0 ± 0.12a | 12.1 ± 0.15b |  
        | Texture hardness (N) | 1.9 ± 0.03a | 1.7 ± 0.07a | 2.5 ± 0.04b | 2.3 ± 0.02b | 2.1 ± 0.06ab | 1.8 ±  0.05a |  
        | Overall Acceptabilityc | 4.2 ± 0.02a | 3.8 ± 0.02ab | 4.1 ± 0.06a | 3.9 ± 0.02b | 3.8 ± 0.08b | 3.2 ± 0.03c |  bMSNF, milk solids nonfat, and
 cAveraged sensory panel scores for each cheese sample
 |