Table 2.
Effect of cooking pot on quantity of vitamins and minerals preserved in cooked food
| Nutrient | Types of cooking pot | ||||||
|---|---|---|---|---|---|---|---|
| Raw food | Titanium | Stainless steel | Enamel ware | Cast iron | Old aluminum | New aluminum | |
| Vitamins (µg/kg) | |||||||
| Vitamin A | 206.57a ± 16.89 | 198.94a ± 9.35 | 157.91a ± 10.37 | 188.94a ± 5.35 | 147.94a ± 3.65 | 141.39a ± 28.04 | 148.88a ± 29.21 |
| Vitamin B1 | 2.27a ± 2.88 | 1.93ab ± 2.52 | 1.66bc ± 2.26 | 1.76bc ± 1.29 | 1.46c ± 2.12 | 1.29c ± 2.10 | 1.47c ± 2.09 |
| Vitamin C | 9.88a ± 8.11 | 9.28ab ± 7.92 | 8.43b ± 7.23 | 7.13b ± 5.34 | 6.42c ± 2.23 | 6.04c ± 6.27 | 6.24c ± 5.40 |
| Minerals (mg/kg) | |||||||
| Sodium | 111.29a ± 2.38 | 107.48a ± 0.23 | 97.15a ± 5.62 | 95.55a ± 6.66 | 93.91a ± 5.44 | 93.18a ± 7.30 | 93.77a ± 3.80 |
| Potassium | 410.67a ± 18.20 | 351.81b ± 2.70 | 323.11bc ± 56.19 | 343.21c ± 1.16 | 315.01 ± 8.26 | 293.74c ± 4.17 | 302.36c ± 9.00 |
| Selenium | 9.19a ± 1.46 | 7.85b ± 0.81 | 7.04c ± 0.87 | 7.79c ± 06.19 | 6.26c ± 0.83 | 6.43d ± 0.55 | 6.69d ± 1.71 |
| Magnesium | 136.53a ± 19.36 | 122.59ab ± 12.90 | 113.69bc ± 10.97 | 161.7 9 ± 2.19 | 143.62e ± 0.67 | 136.53a ± 29.36 | 109.10c ± 9.86 |
| Calcium | 30.83a ± 21.83 | 26.75b ± 19.47 | 25.94b ± 18.69 | 26.25b ± 18.69 | 24.69b ± 17.42 | 24.59b ± 7.61 | 24.79b ± 17.42 |
| Zinc | 5.08a ± 0.23 | 4.68b ± 0.10 | 4.25c ± 0.61 | 5.04 ± 0.46 | 4.27 ± 0.21 | 4.05d ± 0.66 | 4.25c ± 0.51 |
Mean values in the same row having the same superscript are not significantly different (p < 0.05). Average of five different food stuffs