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Table 1 Amino acid composition of cowpea protein isolate (CPI) and indigestible cowpea protein (ICP)a

From: Indigestible cowpea proteins reduced plasma cholesterol after long-term oral administration to Sprague-Dawley rats

Amino acid CPI (%) ICP (%)
Asx 11.7 12.1
Thr 3.9 3.7
Ser 5.6 5.7
Glx 17.7 16.8
Pro 4.8 4.7
Gly 3.7 3.6
Ala 4.3 4.2
Cys 0.8 0.7
Val 5.1 4.7
Met 1.5 1.7
Ile 4.3 4.3
Leu 8.2 8.6
Tyr 3.5 3.6
Phe 6.0 5.7
His 3.6 4.5
Lys 7.2 7.0
Arg 6.9 7.1
Trp 1.3 1.4
  1. Asx aspartic + asparagine, Glx glutamic + glutamine
  2. a ICP is the residue obtained after pepsin + pancreatin digestion of CPI pretreated with gelation (slow cooling)