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Table 2 Effect of experimental diets on feed consumption, body weight and plasma cholesterol levels in rats fed cholesterol-enriched dietsa

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

  Group 1 Group 2 Group 3 Group 4
Body weight gain (g/week)
 -Male 77 ± 24 72 ± 14 72 ± 15 75 ± 17
 -Female 34 ± 10 42 ± 11 35 ± 21 38 ± 16
 -Mean 55 ± 21 57 ± 15 54 ± 18 56 ± 19
Feed consumption (g/week)
 -Male 36.5 ± 4.1 36.2 ± 4.7 35.7 ± 6.4 34.3 ± 5.8
 -Female 23.8 ± 3.6 24.7 ± 3.5 21.5 ± 3.2 23.4 ± 3.3
 -Mean 30.2 ± 7.4 30.4 ± 7.1 28.6 ± 8.7 28.8 ± 7.3
Plasma cholesterol (mmol/L)
Week 0
 -Male 3.75 ± 0.10 3.49 ± 0.08 2.63 ± 0.10 2.38 ± 0.01
 -Female 3.51 ± 0.21 2.46 ± 0.10 2.51 ± 0.06 3.16 ± 0.05
 -Mean 3.63 ± 0.12 2.98 ± 0.52 2.57 ± 0.10 2.77 ± 0.39
Week 6
 -Male 5.22 ± 0.09 5.27 ± 0.01 3.82 ± 0.00 4.34 ± 0.08
 -Female 10.33 ± 1.01 13.95 ± 0.16 4.95 ± 0.42 19.87 ± 1.20
 -Mean 7.78 ± 2.56 9.61 ± 4.31 4.39 ± 0.57 12.11 ± 7.77
  1. CPI cowpea protein isolate, ICP indigestible proteins obtained after pepsin + pancreatin digestion of CPI pretreated with slow cooling gelation)
  2. a Group 1: 20% casein; group 2: 19% casein + 1% ICP; group 3: 15% casein + 5% ICP; group 4: 15% casein + 5% CPI