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Table 4 Influence of diet δ13C values (‰) on δ13C incorporation into tissues in Trial 2

From: Effect of dietary stable isotopic ratios of carbon and nitrogen on the extent of their incorporation into tissues of rats

Tissues Treatments Time, d P value
δ13C = −21.76‰ δ13C = −19.34‰ 0 3 7 14 21 SEM Group Time Group × Time
δ15N = 0.53‰ δ15N = 4.73‰          
Liver −19.78b −18.44a −18.95ab −19.43b −19.87b −20.12b −17.65a 0.32 < 0.01 < 0.01 0.31
Muscle −19.95b −19.46a −19.32a −19.66ab −19.85ab −19.97a −19.70ab 0.14 < 0.01 0.20 0.15
Blood −19.80b −18.92a −19.20a −19.14a −19.54a −19.54a −19.52a 0.11 < 0.01 0.15 0.07
Lipid −23.14a −22.60a −22.49ab −22.01a −22.64ab −23.45bc −23.91c 0.28 0.07 < 0.01 0.63
  1. a, b, c Mean values within a row with unlike superscript letters were significantly different (P < 0.05).