| Gasic et al., 2004 | Modified protocol |
| Tris-HCl-0.1 M (pH 8.0) | Tris-HCl-0.1 M (pH 7.0) |
| Sodium Chloride (NaCl)-2 M | Sodium Chloride (NaCl)-0.5 M |
| Ethylene diamine tetra aceticacid (EDTA)-25 mM (pH 7.4) | Ethylene diamine tetra aceticacid (EDTA)-10 mM (pH 8), |
| Spermidine-0.5 g/L | Nil |
| Magnesium Chloride (MgCI2)-10 mM | Nil |
| Cetyltrimethylammonium bromide (CTAB)-2% (w/v) | Sodium Dodecyl Sulphate (SDS)-2% (w/v) |
| β-mercaptoenathol-2% (v/v) | β-mercaptoenathol-4% (v/v) |
| Polyvinylpyrrolidone (PVP) K-30-2% (w/v) | Polyvinylpolypyrrolidone (PVPP)-4% (w/v) |