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Table 2.

Fatty acid class distribution as phosphatidylcholine and phosphatidylethanolamine

Liver
Kidney
Heart
Brain
LizardRatLizardRatLizardRatLizardRat
Phosphatidylcholine         
   ΣSFA 36.5±0.6 42.5±0.6 44.5±0.9 58.5±1.6 33.3±0.7 43.8±0.6 58.6±1.2 65.6±0.3 
   ΣMUFA 23.2±2.8 10.5±1.1§ 27.3±1.6 8.0±0.3 37.1±0.4 16.2±1.1 35.4±1.0 26.3±0.5 
   ΣPUFA n-6 40.3±2.2 43.7±0.6 28.2±1.3 33.5±1.3 29.6±0.5 36.4±1.0 5.7±0.1 6.7±0.3 
   ΣPUFA n-3 0.0±0.0 3.2±0.1 0.0±0.0 0.0±0.0 0.0±0.0 3.6±0.2 0.0±0.0 1.4±0.0 
   UI 103.8±1.7 171.3±0.9 83.6±1.6 121.7±4.5 96.3±1.2 151.5±2.8 56.9±1.2 61.6±0.9* 
   UI (20:4 n-6) 0.0±0.0 105.5±2.7 0.0±0.0 93.3±3.3 0.0±0.0 84.1±5.2 19.1±0.7 27.0±1.3§ 
   UI (22:6 n-3) 0.0±0.0 19.4±0.6 0.0±0.0 0.0±0.0 0.0±0.0 15.2±0.7 0.0±0.0 8.4±0.3 
Phosphatidylethanolamine         
   ΣSFA 19.2±1.8 45.5±0.3 22.0±0.7 42.9±0.6 36.1±0.3 44.1±0.4 38.9±0.8 45.7±0.3 
   ΣMUFA 40.1±4.1 6.4±0.6 38.0±0.1 7.4±0.7 16.2±0.4 7.1±0.4 15.2±0.8 15.3±1.0 
   ΣPUFA n-6 40.7±2.4 40.1±0.9 40.0±0.8 48.6±0.0 47.7±0.6 27.4±1.1 42.8±0.2 23.3±0.6 
   ΣPUFA n-3 0.0±0.0 8.0±0.7 0.0±0.0 1.1±0.0 0.0±0.0 21.4±1.0 3.1±0.2 15.7±0.4 
   UI 147.1±2.1 195.4±1.6 146.1±4.8 198.9±0.6 152.5±5.1 215.8±2.3 205.0±0.8 201.8±2.5 
   UI (20:4 n-6) 47.4±3.8 123.4±2.8 59.9±11.7 175.7±1.9 114.4±8.1 70.4±2.4 160.4±1.5 76.1±2.2 
   UI (22:6 n-3) 0.0±0.0 38.9±3.1 0.0±0.0 6.4±0.2 0.0±0.0 101.4±4.9 12.8±0.8 88.7±2.7 
Liver
Kidney
Heart
Brain
LizardRatLizardRatLizardRatLizardRat
Phosphatidylcholine         
   ΣSFA 36.5±0.6 42.5±0.6 44.5±0.9 58.5±1.6 33.3±0.7 43.8±0.6 58.6±1.2 65.6±0.3 
   ΣMUFA 23.2±2.8 10.5±1.1§ 27.3±1.6 8.0±0.3 37.1±0.4 16.2±1.1 35.4±1.0 26.3±0.5 
   ΣPUFA n-6 40.3±2.2 43.7±0.6 28.2±1.3 33.5±1.3 29.6±0.5 36.4±1.0 5.7±0.1 6.7±0.3 
   ΣPUFA n-3 0.0±0.0 3.2±0.1 0.0±0.0 0.0±0.0 0.0±0.0 3.6±0.2 0.0±0.0 1.4±0.0 
   UI 103.8±1.7 171.3±0.9 83.6±1.6 121.7±4.5 96.3±1.2 151.5±2.8 56.9±1.2 61.6±0.9* 
   UI (20:4 n-6) 0.0±0.0 105.5±2.7 0.0±0.0 93.3±3.3 0.0±0.0 84.1±5.2 19.1±0.7 27.0±1.3§ 
   UI (22:6 n-3) 0.0±0.0 19.4±0.6 0.0±0.0 0.0±0.0 0.0±0.0 15.2±0.7 0.0±0.0 8.4±0.3 
Phosphatidylethanolamine         
   ΣSFA 19.2±1.8 45.5±0.3 22.0±0.7 42.9±0.6 36.1±0.3 44.1±0.4 38.9±0.8 45.7±0.3 
   ΣMUFA 40.1±4.1 6.4±0.6 38.0±0.1 7.4±0.7 16.2±0.4 7.1±0.4 15.2±0.8 15.3±1.0 
   ΣPUFA n-6 40.7±2.4 40.1±0.9 40.0±0.8 48.6±0.0 47.7±0.6 27.4±1.1 42.8±0.2 23.3±0.6 
   ΣPUFA n-3 0.0±0.0 8.0±0.7 0.0±0.0 1.1±0.0 0.0±0.0 21.4±1.0 3.1±0.2 15.7±0.4 
   UI 147.1±2.1 195.4±1.6 146.1±4.8 198.9±0.6 152.5±5.1 215.8±2.3 205.0±0.8 201.8±2.5 
   UI (20:4 n-6) 47.4±3.8 123.4±2.8 59.9±11.7 175.7±1.9 114.4±8.1 70.4±2.4 160.4±1.5 76.1±2.2 
   UI (22:6 n-3) 0.0±0.0 38.9±3.1 0.0±0.0 6.4±0.2 0.0±0.0 101.4±4.9 12.8±0.8 88.7±2.7 

FA, fatty acid; ΣSFA, total saturated fatty acids; ΣMUFA, total monounsaturated fatty acids; ΣPUFA n-6, total polyunsaturated n-6 fatty acids; ΣPUFA n-3, total polyunsaturated n-3 fatty acids; UI,unsaturation index (number double bonds per 100 fatty acid molecules); UI(20:4 n-4), contribution of 20:4 (AA, arachidonic acid) to unsaturation index;UI (22:6 n-3), contribution of 22:6 (DHA, docosahexaenoic acid) to unsaturation index

Values are mean % ± s.e.m. (N=4). Superscripts indicate significant difference from the corresponding lizard tissue; *P<0.05, §P<0.01, P<0.005, P<0.001

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