Inhibition by Dietary Tea Polyphenols of Chemical Mediator Release from Rat Peritoneal Exudate Cells
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- MATSUO Noritaka
- Department of Biochemistry, Oita Medical University
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- YAMADA Koji
- Laboratory of Food Chemistry, Department of Bioscience and Biotechnology, Division of Bioresource and Bioenvironmental Science, Graduate School Kyushu University
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- MORI Mitsuo
- Laboratory of Food Chemistry, Department of Bioscience and Biotechnology, Division of Bioresource and Bioenvironmental Science, Graduate School Kyushu University
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- SHOJI Kentaro
- Laboratory of Food Chemistry, Department of Bioscience and Biotechnology, Division of Bioresource and Bioenvironmental Science, Graduate School Kyushu University
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- UEYAMA Takashi
- Laboratory of Food Chemistry, Department of Bioscience and Biotechnology, Division of Bioresource and Bioenvironmental Science, Graduate School Kyushu University
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- YUNOKI Shinichi
- Laboratory of Food Chemistry, Department of Bioscience and Biotechnology, Division of Bioresource and Bioenvironmental Science, Graduate School Kyushu University
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- YAMASHITA Kouhei
- Laboratory of Food Chemistry, Department of Bioscience and Biotechnology, Division of Bioresource and Bioenvironmental Science, Graduate School Kyushu University
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- OZEKI Makoto
- Research & Development Central Research Laboratories, Taiyo Kagaku Co. Ltd.
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- SUGANO Michihiro
- Department of Living Environment Science, Prefectural University of Kumamoto
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抄録
Male Wistar rats were given purified diets containing safflower (SAF), perilla (PER), or palm (PAL) oils with or without 1% tea polyphenols (TP) for 3 weeks, and chemical mediator releasing activity from rat peritoneal exudate cells (PEC) was measured. Histamine releasing activity was not influenced by TP, while histamine release and intracellular histamine content were significantly increased in the PAL-fed group. On the contrary, leukotriene B4 (LTB4) release was significantly lower in rats fed PER than in those fed SAF and PAL, and TP significantly decreased the release in all fat groups. TP also significantly inhibited the release of LTB5, which was generated only in rats fed PER. TP significantly decreased the proportion of arachidonic acid (AA) in PEC in the SAF-fed group and that of eicosapentaenoic acid (EPA), the precursor of LTB5 in the PER-fed group, but did not influence that of AA in the PAL- and PER-fed group. These results suggest that ingestion of TP improves type I allergic symptom through the inhibition of LT release though the inhibition by TP could not be totally explained by the reduction of substrate fatty acid.<br>
収録刊行物
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- Bioscience, Biotechnology, and Biochemistry
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Bioscience, Biotechnology, and Biochemistry 64 (7), 1437-1443, 2000
公益社団法人 日本農芸化学会
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詳細情報 詳細情報について
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- CRID
- 1390282681450942592
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- NII論文ID
- 110002680109
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- NII書誌ID
- AA10824164
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- COI
- 1:CAS:528:DC%2BD3cXlvFGrurk%3D
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- ISSN
- 13476947
- 09168451
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- NDL書誌ID
- 5475911
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- PubMed
- 10945261
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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
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可