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Table 3.

Kidney fatty acid characterisation showing the distribution of saturated,monounsaturated, omega-3 and omega-6 polyunsaturated fatty acids plus the contribution to unsaturation index of the major fatty acids within each phospholipid classes

PhospholipidMouseSheepCow
Phosphatidylcholine    
   ΣSFA 54.4±0.9 47.8±4.6 49.5±6.1 
   ΣMUFA 11.5±0.2s,c 23.1±2.1m 19.8±1.6m 
   ΣPUFA n-6 26.1±0.8 21.8±2.4 27.6±4.5 
   ΣPUFA n-3 8.0±0.7c 7.2±1.0 3.1±0.3m 
   UI 144.7±3.5s,c 122.2±2.4m,c 107.7±1.0m,s 
   UI (18:1 n-9) 10.6±0.1s,c 21.2±0.5m,c 17.4±1.1m,s 
   UI (18:2 n-6) 19.2±0.9s,c 24.7±1.6m,c 35.6±3.5m,s 
   UI (20:4 n-6) 54.9±1.8s,c 21.3±1.8m 18.8±0.8m 
   UI (22:6 n-3) 47.7±3.1s,c 16.4±2.5m,c 5.0±0.4m,s 
Phosphatidylethanolamine    
   ΣSFA 37.3±1.6c 35.0±3.9 27.7±1.9m 
   ΣMUFA 14.9±0.9c 21.9±3.3 27.8±1.5m 
   ΣPUFA n-6 39.4±1.7 34.2±4.3 38.4±3.4 
   ΣPUFA n-3 8.4±0.7c 9.1±1.3 6.2±0.5m 
   UI 215.0±1.5s,c 189.5±2.0m 185.3±1.8m 
   UI (18:1 n-9) 14.9±0.4s,c 21.4±0.5m,c 26.2±0.9m,s 
   UI (18:2 n-6) 9.2±0.4s,c 18.0±1.5m,c 28.0±1.5m,s 
   UI (20:4 n-6) 125.7±0.4s,c 92.4±3.9m 90.7±1.3m 
   UI (22:6 n-3) 50.4±1.6s,c 21.1±1.0m,c 9.4±1.8m,s 
Phosphatidylserine    
   ΣSFA 48.3±2.2 42.4±4.3 39.5±3.2 
   ΣMUFA 9.8±0.4s,c 25.1±2.8m 21.9±2.3m 
   ΣPUFA n-6 36.5±1.6 28.2±3.4 37.1±2.8 
   ΣPUFA n-3 5.4±0.5c 4.2±1.0 1.5±0.4m 
   UI 183.0±1.4s,c 146.4±3.1m,c 134.2±4.1m,s 
   UI (18:1 n-9) 9.9±0.3s,c 24.7±0.3m 20.1±1.2m 
   UI (18:2 n-6) 5.9±0.3s,c 14.0±0.4m,c 43.7±1.2m,s 
   UI (20:4 n-6) 118.2±2.0s,c 75.4±1.5m,c 34.2±2.4m,s 
   UI (22:6 n-3) 28.3±0.05s,c 10.9±1.8m,c 2.4±0.8m,s 
Phosphatidic acid    
   ΣSFA 34.6±4.6 34.4±3.4 28.8±9.1 
   ΣMUFA 13.1±2.2s 35.1±3.5m 35.9±8.5 
   ΣPUFA n-6 48.7±6.2s 24.7±4.7m 33.0±7.9 
   ΣPUFA n-3 4.2±0.5c 5.8±1.5 2.3±0.6m 
   UI 181.0±0.6s,c 143.1±10.1m 133.8±5.4m 
   UI (18:1 n-9) 12.6±0.6s,c 35.4±1.6m 36.8±1.8m 
   UI (18:2 n-6) 44.7±0.9s,c 11.2±2.1m,c 26.5±5.5m,s 
   UI (20:4 n-6) 86.3±1.3c 74.7±10.7c 31.1±0.8m,s 
   UI (22:6 n-3) 18.7±1.3s,c 0.0±0.0m 0.0±0.0m 
PhospholipidMouseSheepCow
Phosphatidylcholine    
   ΣSFA 54.4±0.9 47.8±4.6 49.5±6.1 
   ΣMUFA 11.5±0.2s,c 23.1±2.1m 19.8±1.6m 
   ΣPUFA n-6 26.1±0.8 21.8±2.4 27.6±4.5 
   ΣPUFA n-3 8.0±0.7c 7.2±1.0 3.1±0.3m 
   UI 144.7±3.5s,c 122.2±2.4m,c 107.7±1.0m,s 
   UI (18:1 n-9) 10.6±0.1s,c 21.2±0.5m,c 17.4±1.1m,s 
   UI (18:2 n-6) 19.2±0.9s,c 24.7±1.6m,c 35.6±3.5m,s 
   UI (20:4 n-6) 54.9±1.8s,c 21.3±1.8m 18.8±0.8m 
   UI (22:6 n-3) 47.7±3.1s,c 16.4±2.5m,c 5.0±0.4m,s 
Phosphatidylethanolamine    
   ΣSFA 37.3±1.6c 35.0±3.9 27.7±1.9m 
   ΣMUFA 14.9±0.9c 21.9±3.3 27.8±1.5m 
   ΣPUFA n-6 39.4±1.7 34.2±4.3 38.4±3.4 
   ΣPUFA n-3 8.4±0.7c 9.1±1.3 6.2±0.5m 
   UI 215.0±1.5s,c 189.5±2.0m 185.3±1.8m 
   UI (18:1 n-9) 14.9±0.4s,c 21.4±0.5m,c 26.2±0.9m,s 
   UI (18:2 n-6) 9.2±0.4s,c 18.0±1.5m,c 28.0±1.5m,s 
   UI (20:4 n-6) 125.7±0.4s,c 92.4±3.9m 90.7±1.3m 
   UI (22:6 n-3) 50.4±1.6s,c 21.1±1.0m,c 9.4±1.8m,s 
Phosphatidylserine    
   ΣSFA 48.3±2.2 42.4±4.3 39.5±3.2 
   ΣMUFA 9.8±0.4s,c 25.1±2.8m 21.9±2.3m 
   ΣPUFA n-6 36.5±1.6 28.2±3.4 37.1±2.8 
   ΣPUFA n-3 5.4±0.5c 4.2±1.0 1.5±0.4m 
   UI 183.0±1.4s,c 146.4±3.1m,c 134.2±4.1m,s 
   UI (18:1 n-9) 9.9±0.3s,c 24.7±0.3m 20.1±1.2m 
   UI (18:2 n-6) 5.9±0.3s,c 14.0±0.4m,c 43.7±1.2m,s 
   UI (20:4 n-6) 118.2±2.0s,c 75.4±1.5m,c 34.2±2.4m,s 
   UI (22:6 n-3) 28.3±0.05s,c 10.9±1.8m,c 2.4±0.8m,s 
Phosphatidic acid    
   ΣSFA 34.6±4.6 34.4±3.4 28.8±9.1 
   ΣMUFA 13.1±2.2s 35.1±3.5m 35.9±8.5 
   ΣPUFA n-6 48.7±6.2s 24.7±4.7m 33.0±7.9 
   ΣPUFA n-3 4.2±0.5c 5.8±1.5 2.3±0.6m 
   UI 181.0±0.6s,c 143.1±10.1m 133.8±5.4m 
   UI (18:1 n-9) 12.6±0.6s,c 35.4±1.6m 36.8±1.8m 
   UI (18:2 n-6) 44.7±0.9s,c 11.2±2.1m,c 26.5±5.5m,s 
   UI (20:4 n-6) 86.3±1.3c 74.7±10.7c 31.1±0.8m,s 
   UI (22:6 n-3) 18.7±1.3s,c 0.0±0.0m 0.0±0.0m 

SFA, saturated fatty acid ; MUFA, monounsaturated fatty acid; PUFA,polyunsaturated fatty acid; Σ, total, UI, unsaturation index (the number double bonds per 100 fatty acid molecules)

Superscript letters indicate significant differences between the values derived for mouse (m), sheep (s) and cow (c) at a minimum of P<0.05. n-3, n-6, n-9 denote the location of the first double bond from the methyl end of the molecule. Values are mean ± s.e.m.(N=4)

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