| No. | 
        Groups | 
        Number of weeks 
          Body weight of mice(g)
            0  2 4 6  8            | 
      
      
        | (I) | 
        Normal 
          Regular diet (RD) | 
        30.2
          ± 2.1 | 
        32.4
          ± 1.9 | 
        33.6
          ± 2.3 | 
        31.1
          ± 1.6 | 
        34.2
          ± 1.4 | 
      
      
        | (II) | 
        Control positive 
          High-fat diet (HFD) | 
        29.8
          ± 1.6 | 
        34.2
          ± 2.3 | 
        39.5* 
          ± 1.8 | 
        42.3** 
          ± 2.5 | 
        44.7** 
          ± 1.7 | 
      
      
        | (III) | 
        HFD+ Purslane fixedoil
          150g/kg of diet | 
        31.3
          ± 2.5 | 
        30.4* 
          ± 2.6 | 
        28.1** 
          ± 3.2 | 
        27.0** 
          ± 1.5 | 
        26.4** 
          ± 1.9 | 
      
      
        | (IV) | 
        HFD+ Purslane fixedoil
          300g/kg of diet | 
        30.7
          ± 1.5 | 
        28.2** 
          ± 1.4 | 
        27.4** 
          ± 2.2 | 
        26.1** 
          ± 2.7 | 
        24.5** 
          ± 3.1 | 
      
      
        | (V) | 
        HFD+ Metformin
          500mg/kg bw  | 
        32.1
          ± 2.3 | 
        30.5* 
          ± 1.9 | 
        29.8** 
          ± 1.6 | 
        28.4** 
          ± 2.1 | 
        27.6** 
          ± 1.3 | 
      
    
    *Significantly different from control group at p<0.05.
    **Significantly different from control group at p<0.01.