Inhibitory Effects of Hot Water Extract of the Stevia Stem on the Contractile Response of the Smooth Muscle of the Guinea Pig Ileum
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- SHIOZAKI Kazuhiro
- Graduate School of Agricultural Science, Tohoku University
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- FUJII Akiko
- Graduate School of Agricultural Science, Tohoku University
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- NAKANO Toshiki
- Graduate School of Agricultural Science, Tohoku University
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- YAMAGUCHI Toshiyasu
- Graduate School of Agricultural Science, Tohoku University
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- SATO Minoru
- Graduate School of Agricultural Science, Tohoku University
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The effects of a hot water extract of the stem of Stevia rebaudiana on the smooth muscle of isolated guinea pig ileum were investigated. The butyl alcohol layer of the extract antagonized the contractions of the isolated guinea pig ileum induced by histamine (1×10−5 M) and acetylcholine (1×10−5 M) in a concentration-dependent manner. The butyl alcohol layer of the extract also showed inhibition of CaCl2 (1×10−3–3.8×10−1 M)-induced contractions. The antagonism of the extract was considered to be non-specific, but this action might be related to an influx of extracellular Ca2+.<BR>With column chromatography preparation, the active component was assumed to be as stevioside. The antagonistic effects exerted by the stem extract of Stevia rebaudiana contributed to the gastroprotective activity of the extract in animals fed dietary histamine.
収録刊行物
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- Bioscience, Biotechnology, and Biochemistry
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Bioscience, Biotechnology, and Biochemistry 70 (2), 489-494, 2006
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
- 1390282681452499200
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- NII論文ID
- 10018534527
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- NII書誌ID
- AA10824164
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- ISSN
- 13476947
- 09168451
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- NDL書誌ID
- 7833558
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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
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可