Fresh tomato peel Dried tomato peel
  Mean Dev.st. Mean Dev.st.
Moisture(% w/w) 72.1 1.82 - -
Protein (% w/w) - - 3.75 0.27
Ash (% w/w) - - 2.54 0.32
Lycopene  (mg/kg) 5.79 1.02 4.7 0.86
TDF, total dietary fiber (% w/w) 26.08   83.54  
SDF, soluble dietary fiber 2.56 0.29 8.86 2.01
IDF, insoluble dietary fiber 23.52 1.03 74.68 3.33
Sodium (Na)(mg/kg) - - 175 43
Potassium (K) (mg/kg) - - 1570 231
Calcium (Ca) (mg/kg) - - 5850 670
Magnesium (Mg) (mg/kg) - - 846 67
Iron (Fe) (mg/kg) - - 27 3
Nickel (Ni) (mg/kg) - - 2 0.01
Zinc (Zn) (mg/kg) - - 46 5
Copper (Cu) (mg/kg) 2.31 0.751 8.244 1.562
Cadmium (Cd) (mg/kg) 0.04 0.009 0.134 0.019
Lead (Pb) (mg/kg) 0.046 0.022 0.177 0.076
Table 1: Chemical characterization of fresh and dried peel samples.