Type of products Water absorption capacity (ml/gm) Fat absorption capacity (ml/gm) Dehulled cowpea flour (DCF) 1.30 1.04 Lupin seed flour(LSF) 1.34 1.76 Cowpea protein isolate-A (CPIA) 2.10 1.90 Lupin protein isolate-A (LPIA) 2.09 2.80 Cowpea protein isolate-B (CPIB) 2.33 2.37 Lupin protein isolate-B (LPIB) 2.21 2.90 CPIA=Cowpea protein isolate by isoelectric point precipitation CPIB=Cowpea protein using miscella method LPIA=Lupin protein isolate by isoelectric point precipitation LPIB=Lupin protein isolate using miscella method

Table 2: Water and fat absorption capacity of lupin, cowpea seed flours and protein isolates.