A Butter Diet Induces Higher Levels of n-3 PUFA and of n-3/n-6 PUFA Ratio in Rat Serum and Hearts than a Safflower Oil Diet.
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- HIRAI Kazuko
- Department of Health and Nutrition, Faculty of Human Life Science, Osaka City University
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- OZEKI Yuriko
- Department of Health and Nutrition, Faculty of Human Life Science, Osaka City University
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- NAKANO Takayo
- Department of Health and Nutrition, Faculty of Human Life Science, Osaka City University
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- TAKEZOE Reiko
- Department of Clinical Nutrition, Osaka Prefectural College of Health Sciences
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- NAKANISHI Mamoru
- FALCO Biosystems
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- ASANO Yasuyo
- Sakurai Women’s Junior College
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- HIGUCHI Hisa
- Osaka Joshigakuen Junior College
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抄録
The effects of a 47-week diet of butter of safflower oil as fat in combination with casein or soy protein as protein were observed for the serum concentrations of lipids and fatty acid compositions in rat serum and heart. Serum total cholesterol (Chol) did not differ among the four experimental diet groups. In the butter groups, significantly higher low-density lipoprotein (LDL)-Chol and lower high-density lipoprotein (HDL)-Chol were observed than in the safflower oil groups (p<0.005, respectively). Higher levels of α-tocopherol were found in the butter groups than in the safflower oil groups (p<0.05) and in the casein groups than in the soy protein groups (p<0.01). In comparison with the safflower oil groups, the butter groups showed higher n-3 polyunsaturated fatty acids (PUFA) contents and lower n-6 PUFA contents in serum and the hearts (p<0.005).The ratios of n-3/n-6 PUFA in the butter groups in serum, 0.26 and 0.18, and in the hearts, 0.37 and 0.36, (butter-casein diet and butter-soy protein diet, respectively) were higher than those of the safflower oil groups of under 0.01 in serum and 0.02 and 0.03 in the hearts (safflower oil-casein diet and safflower oil-soy protein diet, respectively) (p<0.005). In the soy protein groups, higher n-3 PUFA contents in the hearts were found than those of the casein groups (p<0.05). This study suggested that the butter diet induces higher levels of n-3 PUFA and a higher n-3/n-6 PUFA ratio than the safflower oil diet in rat serum and hearts over a long feeding period.
収録刊行物
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- Environmental Health and Preventive Medicine
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Environmental Health and Preventive Medicine 5 (4), 138-143, 2001
一般社団法人日本衛生学会
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詳細情報 詳細情報について
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- CRID
- 1390001204458698240
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- NII論文ID
- 110002694716
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- NII書誌ID
- AA1108348X
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- COI
- 1:CAS:528:DC%2BD3MXitlShsLs%3D
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- ISSN
- 13474715
- 1342078X
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可