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Table 5 Fractional synthesis rate (FSR) and absolute synthesis rate (ASR) of tissue proteins in rats after ingestion of the meal

From: Rapeseed and milk protein exhibit a similar overall nutritional value but marked difference in postprandial regional nitrogen utilization in rats

  Acute Chronic  
  MPI RPI MPI RPI Stat
  Mean SD Mean SD Mean SD Mean SD effect a
Intestinal mucosa          
   FSR (%/d) 313 107 335 106 433 214 352 85 NS
   ASR (gP/d) 1.36 0.56 1.45 0.55 1.80 1.03 1.46 0.29 NS
Liver          
   FSR (%/d) 109 10 100 13 96 11 108 13 NS
   ASR (gP/d) 2.06 0.26 1.97 0.37 1.87 0.29 2.22 0.36 NS
Kidney          
   FSR (%/d) 81 12 78 19 93 36 81 22 NS
   ASR (gP/d) 0.30 0.03 0.27 0.05 0.34 0.15 0.28 0.09 NS
Total muscle          
   FSR (%/d) 9.7 2.1 9.5 2.7 11.3 4.0 10.9 2.1 NS
   ASR (gP/d) 2.70 0.62 2.72 1.04 3.43 1.22 3.33 0.69 NS
Skin          
   FSR (%/d) 17.0 5.3 21.3 4.0 24.4 9.6 16.8 6.5 NS
   ASR (gP/d) 2.18 0.63 3.04 1.10 2.84 1.14 2.40 1.07 NS
Visceral organsb (gP/d) 3.4 0.6 3.3 0.8 3.7 1.2 3.5 0.5 NS
Peripheral tissuec (gP/d) 5.2 1.0 6.0 1.5 6.6 1.2 6.0 1.3 NS
Total protein synthesis (gP/d) 8.6 1.4 9.1 1.8 10.1 2.2 9.5 1.4 NS
  1. NS: not significant. aTwo way ANOVA; b Amount of intestinal mucosa, liver and kidney ASR; c Amount of muscle and skin ASR.
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