Extract Catechin + epicatechin (%T)
Commercial extracts     Leucoselect 15,14
  Vitis Vinifera seeds 7,36
  Vitis Vinifera procyanidins 5,16
  Biovin 4,91
Crude extracts maceration   “Tesi” 2 2010 0.74
  “Tesi” 4 2010 0.65
  “Tesi” 2 2012 1.04
percolation   “Tesi” 2 2010 0.77
  “Tesi” 4 2010 0.69
Purified extracts maceration LLE AcOEt “Tesi” 2 2010 7.68
“Tesi” 4 2010 5.34
“Tesi” 2 2012 9.89
percolation Resin “Tesi” 2 2010 3.92
“Tesi” 4 2010 3.07
LLE AcOEt “Tesi” 2 2010 14.32
“Tesi” 4 2010 8.92
LLE
AcOEt salting
“Tesi” 2 2010 10.80
“Tesi” 4 2010 7.91
Table 5: Content (% Title) catechin + epicatechin; of the commercial, crude and purified extracts