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Table 6 The effect of menthol-rich PBLC on concentrations (μmol/L) of free amino acids in serum of sheep

From: Effects of dietary menthol-rich bioactive lipid compounds on zootechnical traits, blood variables and gastrointestinal function in growing sheep

Item Treatmenta SEM Contrastb
Control PBLC-L PBLC-H   1 2 3
Ala 60 61 61 0.6 0.30 0.45 0.20
Val 118 120 118 2.4 0.96 0.50 0.70
Leu 133 137 137 1.8 0.14 0.49 0.11
Ile 133 136 136 1.3 0.19 0.46 0.14
Phe 223 227 228 2.5 0.17 0.63 0.15
Met 154 154 154 0.6 0.75 0.92 0.82
Proc 103 105# 105 1.0 0.12 0.32 0.072
Glyc 60 66# 59 2.5 0.85 0.058 0.41
Ser 82 82 84 1.7 0.42 0.72 0.60
Cys 200 200 201 0.7 0.13 0.39 0.37
Thr 113 115 115 1.2 0.30 0.50 0.22
Tyr 289 298 290 4.3 0.84 0.11 0.32
Asp+Asnc 121 125# 128* 1.4 0.005 0.79 0.009
Glu + Glnc 160 174* 174* 4.5 0.041 0.22 0.020
Lysc 147 148 152* 1.5 0.054 0.50 0.17
His 171 171 168 1.9 0.31 0.62 0.52
Arg 345 353 341 11.9 0.81 0.41 0.83
Total 2611 2672 2651 32.0 0.42 0.52 0.68
  1. SEM standard error of mean
  2. aControl: without PBLC; PBLC-L: lower dose (80 mg/d) of PBLC; and PBLC-H: higher dose (160 mg/d) of PBLC
  3. bContrast: 1 = linear effect; 2 = quadratic effect; and 3 = Control versus both PBLC groups
  4. cSince CP intake could be a factor affecting serum amino acid concentrations, CP intake was used as covariate for amino acids those resulted in P < 0.10, and the statistical results are provided in the text
  5. #/*Mean values differ compared with the control at P < 0.10/0.05