Nutrient loss Combination mg/300 g rice Fresh* Soaked*
β-carotene β-carotene only 125 25.4 ± 7.3 0.4 ± 0.1
  β-carotene, folic acid 125,150 29.3 ± 16.4 0.6 ± 0.7
  β-carotene, iron 125,25 7 ± 3.6 1.1 ± 0.5
  β-carotene, folic acid, iron 125,150,25 23 ± 17.6 1.3 ± 0.6
Iron iron only 25 1.3 ± 0.2 1.1 ± 0.2
  iron, β-carotene 25,125 1.1 ± 0.1 0.9 ± 0.1
  iron, folic acid 25,150 4.3 ± 2.9 0.8 ± 0.3
  iron, β-carotene, folic acid 25,125,150 1.9 ± 1.8 1.1 ± 0.3
Folic acid folic acid only 150 0.6 ± 0.3 3.7 ± 0.4
  Folic acid, β-carotene 150,125 0.4 ± 0.1 3.0 ± 1.7
  Folic acid, iron 150,25 0.4 ± 0.2 3.9 ± 0.3
  Folic acid, β-carotene, iron 150,125,25 0.3 ± 0.2 2.2 ± 0.6
*Mean ± Standard Deviation, unit expressed in %
Table 3: Micronutrient quantity concentration in 600 mL of soaking solution for rice before and after parboiling process (mg/300 g).