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Linseed and Cod Liver Oil Induce Rapid Growth in a 7-Year-Old Girl with N-3 Fatty Acid Deficiency
Kristian S. Bjerve, M.D., PH.D.
Department of Clinical Chemistry, Trondheim Regional Hospital, Department of Pediatrics, Innherred Hospital, Levanger, Norway
Lene Thoresen, PH.D.
Department of Clinical Chemistry, Trondheim Regional Hospital, Department of Pediatrics, Innherred Hospital, Levanger, Norway
Sigurd Børsting, M.D.
Department of Clinical Chemistry, Trondheim Regional Hospital, Department of Pediatrics, Innherred Hospital, Levanger, Norway
N-3 fatty acid deficiency is described in a 7-year-old girl who had been fed solely by gastric tube from the age of 3 years. She had received the same nutrient during the last 22 months, supplying 16.2% of calories from linoleate and 0.07% from -linolenate. She weighted 9.5 kg at the age of 3, and 10.3 kg at the start of the study, the weight being constant the last 15 months. She was now supplemented daily with 1.2 ml of a linseed- and cod liver-oil mixture (5:1, v/v), thereby increasing her -linolenate intake to 0.71% and total N-3 fatty acids to 0.74% of total energy. Two months later, her rate of weight gain was 0.43 kg/month. After 5 months, the fatty acid supplement was changed to 7.5 ml of cod liver oil daily, thereby changing -linolenate and total N-3 acid intake to 0.10% and 1.3% of total energy, respectively. Her rate of weight gain now increased to 0.64 kg/month, and her length increased from 117 to 122 cm in 5 months. The results indicate that the optimal dietary requirement for N-3 fatty acids in this child is higher than 0.74%, and extrapolation estimated the optimal requirement to be 1.1%-1.2% of total calories. The results suggest that N-3 fatty acids are required for normal growth in man. ( Journal of Parenteral and Enteral Nutrition 12:521-525, 1988)
Journal of Parenteral and Enteral Nutrition, Vol. 12, No. 5,
521-525 (1988)
DOI: 10.1177/0148607188012005521

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