硬化魚油に関する栄養学的研究 (第3報) : 硬化魚油へのリノール酸添加がラットの脂質組成に及ぼす影響と油脂の物性との関連

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The effect of supplementing linoleate as safflower oil was investigated in rats to determine the minimal requirements for amelioration of essential fatty acid deficiency caused by feeding hardened fish oil (HFO). Male rats were fed diets containing 20% HFO for 4 weeks. A portion of HFO was replaced stepwise with safflower oil (1, 3, 5 and 10%). The influence of the oil addition on the physical properties of HFO was also studied by measuring the melting point by 4 different methods and solid fat content (SFC) at 540°C. <BR>1) The melting points remained unchanged by the addition of safflower oil to ITFO at 10% or less, and the SFC at 540°C did not change essentially addition of the vegetable oil at 3% or less. <BR>2) The reduction of body weight gain in the HFO group may primarily have resulted from reduction of food intake since no significant change in food efficiency (weight gain/food intake) occurred even when safflower oil was supplemented.
社団法人日本油化学会の論文