Groups  Creatinine F Sig. Urea F Sig.
7 days 14 days 28 days 7 days 14 days 28 days
Control 0.35a ± 0.00 0.30d ± 0.00 0.49ab ± 0.12 12.865 0.001   * *  32.13c ± 3.69 40.80ab ± 4.03 28.33c ± 3.34 10.679 0.001   * * 
Hcy group 0.25f ± 0.00 1.90a ± 0.53 0.58a ± 0.12 46.588 0   * *  43.92a ± 3.69 45.72a ± 12.18 42.21a ± 4.51 9.508 0.002   * * 
Hcy+Tomato ext. 0.31b ± 0.00 1.35b ± 0.35 0.29b ± 0.03 52.766 0   * *  34.03c ± 3.69 30.99cde ± 1.87 29.94c ± 7.77 1.047 0.375  -
Hcy+Broccoli ext. 0.30c ± 0.00 1.08bc ± 0.01 0.28b ± 0.04 2160.1 0   * *  32.32c ± 3.69 25.67def ± 9.58 31.04bc ± 2.25 2.031 0.166  -
Hcy+Lettuce ext. 0.26e ± 0.00 0.99bc ± 0.59 0.44ab ± 0.13 7.099 0.007   * *  40.87ab ± 3.69 23.38ef ± 6.04 31.61bc ± 2.99 23.354 0   * * 
Hcy+Avocado ext. 0.24g ± 0.00 1.00bc ± 0.09 0.38ab ± 0.12 137.224 0   * *  40.49ab ± 3.69 33.46bcd ± 3.54 37.17ab ± 5.15 4.233 0.035  *
Hcy+Mixture ext. 0.26e ± 0.00 0.80c ± 0.43 0.58a ± 0.38 3.998 0.041  * 23.76d ± 3.69 38.31abc ± 8.23 30.18c ± 3.30 10.377 0.001   * * 
Total 0.28 ± 0.04 1.02 ± 0.55 0.42 ± 0.18     33.37 ± 8.23 31.11 ± 9.95 32.85 ± 6.62    
F 678.144 6.463 2.702     27.08 9.646 5.234    
Sig. 0 0 0.012     0 0 0    
Sig.   * *    * *   *       * *    * *    * *     
Values are expressed as mean ± SD. Significance**at p<0.01; * at p<0.05.
Values which do not share the same letter in each column are significantly different.
Table 8: Effect of Hcy on creatinine (mg/dl) and urea (mg/dl) in rats treated with low folic (without/with betaine), or high folic and plant extracts.