The Effect of Dietary Fatty Acid Composition on Food Choice Using the Bottle-Choice Test in Rats
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概要
- 論文の詳細を見る
Feeding behavior is thought to be one of the most important homeostatic mechanisms. Several studies have indicated that when animals are deprived of a certain amount of nutritional elements, they ingest more to compensate for the loss. In this study, we investigated whether unbalanced fatty acid composition of maintenance diet affects the choice of fatty acids. Rats were divided into two groups and fed a polyunsaturated fatty acid diet (P-rich diet) or a monounsaturated fatty acid diet (M-rich diet). To habituate the animals to the test procedure, a three-bottle-choice test using one bottle of a 2% sucrose solution and two bottles of water was conducted. Rats in the M-rich group tended to ingest more sucrose solution than rats in the P-rich group. In the test using emulsions of three kinds of triacylglycerol, rats of the M-rich group tended to ingest less. The difference in the fatty acid composition of the triacylglycerol used as the test solution didn’t affect the choice. A two-bottle-choice test between oleic acid (OA) and linoleic acid (LA) showed that rats in both groups ingested more LA and rats in the M-rich group preferred LA. A two-bottle-choice test between LA and linolenic acid (LN) did not produce a statistically significant outcome. The results indicate that dietary fat might affect feeding behavior in rats. However, the difference was very small, particularly when the oil used for the choice test was provided as a triacylglycerol.
- 日本油化学会の論文
- 2004-04-01
著者
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Fujimoto Kenshiro
Graduate School Of Agricultural Science Tohoku University
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Kimura Fumiko
東北大学 農学研究科
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Kimura Fumiko
Grad. Sch. Agr. Sci. Tohoku Univ.
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Endo Y
School Of Bionics Tokyo University Of Technology
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Endo Yasushi
東北大学 大学院農学研究科
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Endo Yasushi
Laboratory of Food and Bio-molecular Science, Graduate School of Agricultural Science, Tohoku Univer
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KIMURA FUMIKO
Laboratory of Food and Biomolecular Science, Graduate School of Agricultural Science, Tohoku Univers
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FUJIMOTO KENSHIRO
Laboratory of Food and Biomolecular Science, Graduate School of Agricultural Science, Tohoku Univers
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KAWASHIMA Saho
Laboratory of Food and Biomolecular Science, Graduate School of Agricultural Science, Tohoku Univers
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Yasushi Endo
Grakuate School Of Agricultural Science Tohoku University
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Yasushi Endo
Laboratory Of Food And Bio-molecular Science Graduate School Of Agricultural Science Tohoku Universi
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Endo Y
Department Of Applied Biological Chemistry Faculty Of Agriculture Tohoku University
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Endo Yasushi
Faculty Of Agriculture Tohoku University
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Kimura F
Graduate School Of Agricultural Science Tohoku University
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Fujimoto K
Graduate School Of Agricultural Science Tohoku University
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Fujimoto Kenshiro
Faculty Of Agriculture Tohoku University
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Kimura F
Laboratory Of Food And Biomolecular Science Graduate School Of Agricultural Science Tohoku Universit
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Kimura Fumiko
Laboratory Of Food And Bio-molecular Science Graduate School Of Agricultural Science Tohoku Universi
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Kawashima Saho
Laboratory Of Food And Biomolecular Science Graduate School Of Agricultural Science Tohoku Universit
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FUJIMOTO Kenshiro
Laboratory of Food and Bio-molecular Science, Graduate School of Agricultural Science, Tohoku University
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